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27 engineering compliance and calculation tools for the built environment (UK, EU, UAE).

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assess_epbd_score

Assess EU EPBD (2024) compliance. Returns compliance score, renovation cost estimate, deadline pressure, and priority retrofit measures.

countrystring, required

e.g. germany, france, netherlands, ireland, uk

year_builtinteger, required

current_epcstring, required

has_solar_pvboolean, required

building_typestring, required

e.g. office, residential, retail, school, hospital

floor_area_m2number, required

heating_systemstring, required

gas_boiler, heat_pump, district_heating, electric, oil_boiler, biomass

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Tools (27)

assess_epbd_score

Assess EU EPBD (2024) compliance. Returns compliance score, renovation cost estimate, deadline pressure, and priority retrofit measures.

Argument	Type	Description
country*	string	e.g. germany, france, netherlands, ireland, uk
year_built*	integer
current_epc*	string
has_solar_pv*	boolean
building_type*	string	e.g. office, residential, retail, school, hospital
floor_area_m2*	number
heating_system*	string	gas_boiler, heat_pump, district_heating, electric, oil_boiler, biomass

Input schema (JSON)

{
  "type": "object",
  "required": [
    "building_type",
    "year_built",
    "current_epc",
    "heating_system",
    "has_solar_pv",
    "floor_area_m2",
    "country"
  ],
  "properties": {
    "country": {
      "type": "string",
      "description": "e.g. germany, france, netherlands, ireland, uk"
    },
    "year_built": {
      "type": "integer"
    },
    "current_epc": {
      "enum": [
        "A",
        "B",
        "C",
        "D",
        "E",
        "F",
        "G"
      ],
      "type": "string"
    },
    "has_solar_pv": {
      "type": "boolean"
    },
    "building_type": {
      "type": "string",
      "description": "e.g. office, residential, retail, school, hospital"
    },
    "floor_area_m2": {
      "type": "number"
    },
    "heating_system": {
      "type": "string",
      "description": "gas_boiler, heat_pump, district_heating, electric, oil_boiler, biomass"
    }
  }
}

building_carbon_footprint

Building carbon footprint (Scope 1/2/3) with CRREM stranding check and embodied carbon. Returns per-scope tCO2e, intensity, CRREM compliance, net-zero gap and priority actions.

Argument	Type	Description
location*	string
occupancy	number
year_built*	integer
refrigerant	string
gas_kwh_year	number
building_type*	string
elec_kwh_year	number
floor_area_m2*	number
heat_kwh_year	number
renewable_pct	number

Input schema (JSON)

building_readiness

Building Readiness assessment for change-of-use / conversion. Returns a 0-100 readiness score, project complexity, four domain scores (structural, MEP, compliance, digital/BIM) with RAG, and recommendations.

Argument	Type	Description
bim*	string
floors*	string
location*	string
condition*	string
structure*	string
year_built*	string
current_use*	string
proposed_use*	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "current_use",
    "proposed_use",
    "year_built",
    "structure",
    "floors",
    "condition",
    "location",
    "bim"
  ],
  "properties": {
    "bim": {
      "enum": [
        "yes",
        "partial",
        "no"
      ],
      "type": "string"
    },
    "floors": {
      "enum": [
        "1-3",
        "4-6",
        "7-10",
        "10+"
      ],
      "type": "string"
    },
    "location": {
      "enum": [
        "uk",
        "western-eu",
        "eastern-eu",
        "uae"
      ],
      "type": "string"
    },
    "condition": {
      "enum": [
        "good",
        "fair",
        "poor",
        "unknown"
      ],
      "type": "string"
    },
    "structure": {
      "enum": [
        "concrete",
        "steel",
        "masonry",
        "timber",
        "unknown"
      ],
      "type": "string"
    },
    "year_built": {
      "enum": [
        "pre1945",
        "1945-1970",
        "1970-1990",
        "1990-2010",
        "post2010"
      ],
      "type": "string"
    },
    "current_use": {
      "enum": [
        "office",
        "industrial",
        "retail",
        "residential"
      ],
      "type": "string"
    },
    "proposed_use": {
      "enum": [
        "office",
        "residential",
        "healthcare",
        "industrial",
        "retail"
      ],
      "type": "string"
    }
  }
}

calculate_carbon

Calculate operational + embodied carbon and net-zero gap (CIBSE TM65 / RICS WLCA). Returns carbon intensity, benchmark, and prioritised reduction measures with payback.

Argument	Type	Description
country*	string	ISO-2: gb, de, fr, nl, es, pl, ro, it, ae, us
building_type*	string	office, residential, retail, industrial, hospital, warehouse, hotel
floor_area_m2*	number
energy_kwh_year	number	Measured annual energy; 0 to use benchmark
construction_year	integer

Input schema (JSON)

{
  "type": "object",
  "required": [
    "floor_area_m2",
    "building_type",
    "country"
  ],
  "properties": {
    "country": {
      "type": "string",
      "description": "ISO-2: gb, de, fr, nl, es, pl, ro, it, ae, us"
    },
    "building_type": {
      "type": "string",
      "description": "office, residential, retail, industrial, hospital, warehouse, hotel"
    },
    "floor_area_m2": {
      "type": "number"
    },
    "energy_kwh_year": {
      "type": "number",
      "description": "Measured annual energy; 0 to use benchmark"
    },
    "construction_year": {
      "type": "integer"
    }
  }
}

calculate_pue

Calculate Power Usage Effectiveness (PUE) for a data centre or server room. Returns PUE score, efficiency rating, annual cost estimate, and engineering recommendations.

Argument	Type	Description
cooling_kw*	number	Total cooling system power in kW. Example: 200
it_load_kw*	number	IT equipment power draw in kW. Example: 500
lighting_kw*	number	Lighting power in kW. Example: 1.5
ups_losses_kw*	number	UPS and power distribution losses in kW. Example: 25

Input schema (JSON)

{
  "type": "object",
  "required": [
    "it_load_kw",
    "cooling_kw",
    "ups_losses_kw",
    "lighting_kw"
  ],
  "properties": {
    "cooling_kw": {
      "type": "number",
      "description": "Total cooling system power in kW. Example: 200"
    },
    "it_load_kw": {
      "type": "number",
      "description": "IT equipment power draw in kW. Example: 500"
    },
    "lighting_kw": {
      "type": "number",
      "description": "Lighting power in kW. Example: 1.5"
    },
    "ups_losses_kw": {
      "type": "number",
      "description": "UPS and power distribution losses in kW. Example: 25"
    }
  }
}

check_grid_feasibility_uae

Assess UAE grid connection feasibility (DEWA/ADDC/SEWA/FEWA). Returns feasibility score, connection timeline, recommended voltage, substation requirement, and next steps.

Argument	Type	Description
intended_use*	string
site_location*	string
voltage_level*	string
has_existing_supply*	boolean
power_requirement_mw*	number
target_completion_year*	integer

Input schema (JSON)

{
  "type": "object",
  "required": [
    "site_location",
    "power_requirement_mw",
    "voltage_level",
    "intended_use",
    "has_existing_supply",
    "target_completion_year"
  ],
  "properties": {
    "intended_use": {
      "enum": [
        "data_centre",
        "commercial",
        "industrial",
        "mixed"
      ],
      "type": "string"
    },
    "site_location": {
      "enum": [
        "dubai",
        "abu_dhabi",
        "sharjah",
        "ajman",
        "other"
      ],
      "type": "string"
    },
    "voltage_level": {
      "enum": [
        "LV",
        "MV",
        "HV"
      ],
      "type": "string"
    },
    "has_existing_supply": {
      "type": "boolean"
    },
    "power_requirement_mw": {
      "type": "number"
    },
    "target_completion_year": {
      "type": "integer"
    }
  }
}

check_nis2_readiness

Assess NIS2 Directive (EU 2022/2555) compliance readiness. Returns compliance score (0-18), maturity level, estimated fine exposure, and prioritised remediation actions.

Argument	Type	Description
sector*	string	e.g. energy, transport, healthcare, banking
has_ciso*	boolean
has_ir_plan*	boolean
has_ot_policy*	boolean
has_24h_reporting*	boolean
has_ot_monitoring*	boolean
organisation_size*	string
has_asset_inventory*	boolean
has_board_reporting*	boolean

check_uae_bim_compliance

Check UAE BIM mandate applicability (Dubai Circular 196, Abu Dhabi DMT, Sharjah). Returns mandate status, compliance score, required LOD, and submission checklist.

Argument	Type	Description
emirate*	string
has_bep*	boolean
ifc_export*	boolean
bim_software*	string	e.g. Revit 2024
building_type*	string
has_bim_model*	boolean
building_floors*	integer
building_area_m2*	number

Input schema (JSON)

{
  "type": "object",
  "required": [
    "building_area_m2",
    "building_floors",
    "emirate",
    "building_type",
    "has_bim_model",
    "bim_software",
    "ifc_export",
    "has_bep"
  ],
  "properties": {
    "emirate": {
      "enum": [
        "dubai",
        "abu_dhabi",
        "sharjah",
        "other"
      ],
      "type": "string"
    },
    "has_bep": {
      "type": "boolean"
    },
    "ifc_export": {
      "type": "boolean"
    },
    "bim_software": {
      "type": "string",
      "description": "e.g. Revit 2024"
    },
    "building_type": {
      "enum": [
        "residential",
        "commercial",
        "healthcare",
        "government",
        "mixed"
      ],
      "type": "string"
    },
    "has_bim_model": {
      "type": "boolean"
    },
    "building_floors": {
      "type": "integer"
    },
    "building_area_m2": {
      "type": "number"
    }
  }
}

check_uae_cybersecurity

Assess UAE cybersecurity regulatory compliance (NESA IAS, Dubai ISR, CBUAE, TDRA). Returns applicable framework, compliance score, critical gaps, and mandatory controls.

Argument	Type	Description
emirate*	string	dubai, abu_dhabi, sharjah, federal, other
has_isms*	boolean
is_cloud_hosted*	boolean
organisation_type*	string
has_incident_response*	boolean
has_third_party_audit*	boolean
has_data_classification*	boolean
has_vulnerability_assessment*	boolean

Input schema (JSON)

{
  "type": "object",
  "required": [
    "organisation_type",
    "emirate",
    "has_isms",
    "has_incident_response",
    "has_vulnerability_assessment",
    "has_third_party_audit",
    "has_data_classification",
    "is_cloud_hosted"
  ],
  "properties": {
    "emirate": {
      "type": "string",
      "description": "dubai, abu_dhabi, sharjah, federal, other"
    },
    "has_isms": {
      "type": "boolean"
    },
    "is_cloud_hosted": {
      "type": "boolean"
    },
    "organisation_type": {
      "enum": [
        "government",
        "critical_infrastructure",
        "financial",
        "telecom",
        "other"
      ],
      "type": "string"
    },
    "has_incident_response": {
      "type": "boolean"
    },
    "has_third_party_audit": {
      "type": "boolean"
    },
    "has_data_classification": {
      "type": "boolean"
    },
    "has_vulnerability_assessment": {
      "type": "boolean"
    }
  }
}

contractor_vetting

NIS2 / EPBD contractor vetting score from a 12-question checklist across financial, technical, cyber (NIS2) and energy (EPBD) categories. Flags blocking (critical) failures and returns recommended additional checks. Not a formal due-diligence report.

Argument	Type	Description
answers*	object	Map of question_id -> yes\|no\|unknown. IDs: registered, insurance, no_prosecutions, certifications, references, cvs, cyber_policy, incident_reporting, access_control, assessor_cert, energy_qual, reno_experience
purpose	string	Vetting purpose

Input schema (JSON)

{
  "type": "object",
  "required": [
    "answers"
  ],
  "properties": {
    "answers": {
      "type": "object",
      "description": "Map of question_id -> yes|no|unknown. IDs: registered, insurance, no_prosecutions, certifications, references, cvs, cyber_policy, incident_reporting, access_control, assessor_cert, energy_qual, reno_experience"
    },
    "purpose": {
      "enum": [
        "nis2",
        "epbd",
        "general",
        "critical"
      ],
      "type": "string",
      "description": "Vetting purpose"
    }
  }
}

dgnb_bim_readiness

DGNB certification pre-score and BIM (ISO 19650) maturity self-assessment from a 20-question checklist. Returns pre-score, achievable certification level, BIM level, domain breakdown and prioritised gaps. Not a formal DGNB audit.

Argument	Type	Description
answers*	object	Map of question_id -> yes\|partial\|no. IDs: lca, materials, water, biodiversity, lcc, flexibility, value_stability, cert_budget, comfort, accessibility, wellbeing, satisfaction, bep, cde, competency, clash, integrated_team, commissioning, documentation, poe
cert_target	string	Target DGNB level

Input schema (JSON)

{
  "type": "object",
  "required": [
    "answers"
  ],
  "properties": {
    "answers": {
      "type": "object",
      "description": "Map of question_id -> yes|partial|no. IDs: lca, materials, water, biodiversity, lcc, flexibility, value_stability, cert_budget, comfort, accessibility, wellbeing, satisfaction, bep, cde, competency, clash, integrated_team, commissioning, documentation, poe"
    },
    "cert_target": {
      "enum": [
        "bronze",
        "silver",
        "gold",
        "platinum"
      ],
      "type": "string",
      "description": "Target DGNB level"
    }
  }
}

digital_renovation_passport

EPBD-style staged digital renovation passport: 3-phase roadmap (quick wins, system upgrades, deep renovation) with cost ranges, energy savings and EPC trajectory from current EPC, floor area and heating type. Indicative.

Argument	Type	Description
era	string	Construction era (label only)
address	string	Building address (label only)
country	string	Country code (e.g. UK, DE)
heating*	string	Primary heating system
current_epc*	string	Current EPC band A-G
building_type	string	Building type (label only)
floor_area_m2*	number	Gross floor area (m2)

Input schema (JSON)

{
  "type": "object",
  "required": [
    "floor_area_m2",
    "current_epc",
    "heating"
  ],
  "properties": {
    "era": {
      "type": "string",
      "description": "Construction era (label only)"
    },
    "address": {
      "type": "string",
      "description": "Building address (label only)"
    },
    "country": {
      "type": "string",
      "description": "Country code (e.g. UK, DE)"
    },
    "heating": {
      "enum": [
        "gas",
        "oil",
        "hp",
        "district",
        "electric",
        "biomass"
      ],
      "type": "string",
      "description": "Primary heating system"
    },
    "current_epc": {
      "enum": [
        "A",
        "B",
        "C",
        "D",
        "E",
        "F",
        "G"
      ],
      "type": "string",
      "description": "Current EPC band A-G"
    },
    "building_type": {
      "type": "string",
      "description": "Building type (label only)"
    },
    "floor_area_m2": {
      "type": "number",
      "description": "Gross floor area (m2)"
    }
  }
}

eed_datacentre_pack

EU Energy Efficiency Directive data-centre reporting pack (Dir (EU) 2023/1791 Art.12 + Del. Reg (EU) 2024/1364). Determines reporting scope (IT power >= 500 kW) and computes the mandated KPIs PUE, WUE, ERF and REF. Note: the regulation mandates reporting, not target values.

Argument	Type	Description
it_power_kw*	number	Installed IT power demand (kW)
it_energy_kwh*	number	EIT: IT energy (kWh/yr)
water_input_m3	number	WIN: total water input (m3/yr), for WUE
reused_heat_kwh	number	EREUSE waste heat reused, for ERF
total_energy_kwh*	number	EDC: total data-centre energy (kWh/yr)
renewable_energy_kwh	number	ERES-TOT renewable energy consumed, for REF

Input schema (JSON)

{
  "type": "object",
  "required": [
    "it_power_kw",
    "total_energy_kwh",
    "it_energy_kwh"
  ],
  "properties": {
    "it_power_kw": {
      "type": "number",
      "description": "Installed IT power demand (kW)"
    },
    "it_energy_kwh": {
      "type": "number",
      "description": "EIT: IT energy (kWh/yr)"
    },
    "water_input_m3": {
      "type": "number",
      "description": "WIN: total water input (m3/yr), for WUE"
    },
    "reused_heat_kwh": {
      "type": "number",
      "description": "EREUSE waste heat reused, for ERF"
    },
    "total_energy_kwh": {
      "type": "number",
      "description": "EDC: total data-centre energy (kWh/yr)"
    },
    "renewable_energy_kwh": {
      "type": "number",
      "description": "ERES-TOT renewable energy consumed, for REF"
    }
  }
}

estimate_cooling_load

Estimate cooling load using CIBSE Guide B2 / ASHRAE methodology. Returns required capacity, installed capacity with redundancy, system recommendation, and annual energy.

Argument	Type	Description
it_load_kw*	number	Required for data_centre/server_room. Set 0 for others.
redundancy*	string
space_type*	string
climate_zone*	string
floor_area_m2*	number
occupancy_persons*	integer

Input schema (JSON)

{
  "type": "object",
  "required": [
    "space_type",
    "floor_area_m2",
    "it_load_kw",
    "occupancy_persons",
    "climate_zone",
    "redundancy"
  ],
  "properties": {
    "it_load_kw": {
      "type": "number",
      "description": "Required for data_centre/server_room. Set 0 for others."
    },
    "redundancy": {
      "enum": [
        "N",
        "N+1",
        "2N"
      ],
      "type": "string"
    },
    "space_type": {
      "enum": [
        "office",
        "data_centre",
        "server_room",
        "retail",
        "industrial"
      ],
      "type": "string"
    },
    "climate_zone": {
      "enum": [
        "northern_eu",
        "central_eu",
        "southern_eu",
        "uk",
        "uae_gcc"
      ],
      "type": "string"
    },
    "floor_area_m2": {
      "type": "number"
    },
    "occupancy_persons": {
      "type": "integer"
    }
  }
}

eu_cost_benchmarking

Parametric construction cost benchmark across UK/EU/GCC by country, project type, specification, procurement, programme and BIM. Returns per-m2 and total cost ranges plus a cost breakdown. Indicative parametric estimate, validate against current cost indices.

Argument	Type	Description
bim	string
country*	string	Country
programme	string
procurement	string
project_type*	string	Project type
floor_area_m2*	number	Gross floor area (m2), min 100
specification	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "floor_area_m2",
    "country",
    "project_type"
  ],
  "properties": {
    "bim": {
      "enum": [
        "yes",
        "no"
      ],
      "type": "string"
    },
    "country": {
      "enum": [
        "UK",
        "DE",
        "FR",
        "NL",
        "ES",
        "PL",
        "RO",
        "BE",
        "AT",
        "UAE",
        "SA"
      ],
      "type": "string",
      "description": "Country"
    },
    "programme": {
      "enum": [
        "accelerated",
        "standard",
        "extended"
      ],
      "type": "string"
    },
    "procurement": {
      "enum": [
        "traditional",
        "db",
        "epc",
        "ppp"
      ],
      "type": "string"
    },
    "project_type": {
      "enum": [
        "office_new",
        "resi_new",
        "data_centre",
        "industrial",
        "healthcare",
        "retail",
        "reno_light",
        "reno_deep",
        "infrastructure"
      ],
      "type": "string",
      "description": "Project type"
    },
    "floor_area_m2": {
      "type": "number",
      "description": "Gross floor area (m2), min 100"
    },
    "specification": {
      "enum": [
        "basic",
        "standard",
        "premium",
        "ultra"
      ],
      "type": "string"
    }
  }
}

eurocode_beam_designer

Preliminary Eurocode beam design (steel EC3 / composite / reinforced concrete EC2). Selects a section, computes ULS bending & shear utilisation, SLS deflection, and fire protection. Indicative, not a stamped design.

Argument	Type	Description
grade	string	Steel: s275/s355. Concrete: c2530/c3037/c3545
config*	string	ss=simply supported, cant=cantilever, cont=continuous 2-span
span_m*	number	Span length (m)
exposure	string	Concrete exposure class (cover)
material*	string	Beam material
udl_kn_m*	number	Characteristic uniformly distributed load (kN/m)
fire_rating	string	Required fire rating
load_position	number	Point-load position as fraction of span 0-1 (default 0.5)
point_load_kn	number	Characteristic point load (kN), optional

eurocode_column_checker

Eurocode axial column buckling check (steel EC3 6.3.1 flexural buckling / RC EC2 5.8 simplified). Returns Ncr, non-dimensional slenderness, reduction factor chi, NRd and utilisation. Indicative, not a stamped design.

Argument	Type	Description
section	string	Steel section key, e.g. UC203x203x46 (steel only)
depth_mm	number	RC column depth h (mm), concrete only
material*	string	Section material
width_mm	number	RC column width b (mm), concrete only
axial_load_kn*	number	Design axial load NEd (kN)
buckling_curve	string	EC3 buckling curve (steel only)
eccentricity_mm	number	Load eccentricity (mm), optional
reinforcement_pct	number	RC reinforcement ratio % (concrete only)
effective_length_m*	number	Effective (buckling) length Lcr (m)

get_technical_dd_quote

Generate an indicative Technical Due Diligence (TDD) fee estimate. Returns preliminary and full DD fee ranges (GBP), turnaround days, and contact CTA.

Argument	Type	Description
geography*	string
disciplines*	array
building_type*	string	office, data_centre, industrial, retail, residential, mixed_use, hotel, warehouse, healthcare
gross_area_m2*	number
timeline_weeks*	integer
transaction_type*	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "building_type",
    "gross_area_m2",
    "transaction_type",
    "disciplines",
    "geography",
    "timeline_weeks"
  ],
  "properties": {
    "geography": {
      "enum": [
        "uk",
        "eu",
        "uae",
        "gcc"
      ],
      "type": "string"
    },
    "disciplines": {
      "type": "array",
      "items": {
        "enum": [
          "structural",
          "mep",
          "compliance",
          "energy",
          "nis2"
        ],
        "type": "string"
      }
    },
    "building_type": {
      "type": "string",
      "description": "office, data_centre, industrial, retail, residential, mixed_use, hotel, warehouse, healthcare"
    },
    "gross_area_m2": {
      "type": "number"
    },
    "timeline_weeks": {
      "type": "integer"
    },
    "transaction_type": {
      "enum": [
        "acquisition",
        "disposal",
        "refinancing",
        "planning"
      ],
      "type": "string"
    }
  }
}

heatpump_heatloss

Domestic whole-dwelling fabric + ventilation heat-loss estimate for heat pump sizing (BS EN 12831 / MCS), from floor area, storeys, age band, location and glazing. Returns design heat loss (kW), recommended heat pump output, indicative SCOP and annual demand. Typical U-values/SCOP, not measured.

Argument	Type	Description
storeys	integer
age_band*	string
location*	string
flow_temp_c	integer	Emitter flow temperature
floor_area_m2*	number
air_change_rate	number	ACH, default 0.5
ceiling_height_m	number	Default 2.4
glazing_pct_of_floor	number	Default 25
external_design_temp_c	number	Override 99.6% external design temp
internal_design_temp_c

mees_checker

England & Wales Minimum Energy Efficiency Standard (MEES) check for private rented property. Tests against the in-force EPC E minimum (domestic and non-domestic) and surfaces the PROPOSED (not yet law) EPC C / 2030 uplift as an advisory only. Returns compliance, can-let, cost cap and penalties.

Argument	Type	Description
property_type*	string
current_epc_band*	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "property_type",
    "current_epc_band"
  ],
  "properties": {
    "property_type": {
      "enum": [
        "domestic",
        "non_domestic"
      ],
      "type": "string"
    },
    "current_epc_band": {
      "enum": [
        "A",
        "B",
        "C",
        "D",
        "E",
        "F",
        "G"
      ],
      "type": "string"
    }
  }
}

part_o_overheating

UK Approved Document O 2021 simplified-method overheating check for new residential: tests maximum glazing area (by orientation, risk zone, cross vs single aspect) and minimum free ventilation area. Returns pass/fail and points to CIBSE TM59 modelling if it fails. Indicative.

Argument	Type	Description
floor_area_m2*	number
location_risk*	string	high = listed London postcode districts (AD O Table C1)
glazing_area_m2*	number
cross_ventilation	string
most_glazed_facade*	string
provided_free_area_m2	number	Total openable free area provided (optional)

Input schema (JSON)

{
  "type": "object",
  "required": [
    "location_risk",
    "most_glazed_facade",
    "floor_area_m2",
    "glazing_area_m2"
  ],
  "properties": {
    "floor_area_m2": {
      "type": "number"
    },
    "location_risk": {
      "enum": [
        "high",
        "moderate"
      ],
      "type": "string",
      "description": "high = listed London postcode districts (AD O Table C1)"
    },
    "glazing_area_m2": {
      "type": "number"
    },
    "cross_ventilation": {
      "enum": [
        "yes",
        "no"
      ],
      "type": "string"
    },
    "most_glazed_facade": {
      "enum": [
        "N",
        "E",
        "S",
        "W"
      ],
      "type": "string"
    },
    "provided_free_area_m2": {
      "type": "number",
      "description": "Total openable free area provided (optional)"
    }
  }
}

part_s_ev

UK Approved Document S 2021 electric-vehicle charge-point requirement calculator for new build and major renovation, residential and non-residential. Returns required charge points, cable routes (1-in-5 for non-residential), minimum power and the applicable cost caps/exemptions. Indicative.

Argument	Type	Description
works*	string
dwellings	integer	Number of dwellings (residential)
building_type*	string
parking_spaces*	integer	Total associated parking spaces
covered_car_park	string	Non-residential covered car park?

Input schema (JSON)

{
  "type": "object",
  "required": [
    "building_type",
    "works",
    "parking_spaces"
  ],
  "properties": {
    "works": {
      "enum": [
        "new",
        "major_renovation"
      ],
      "type": "string"
    },
    "dwellings": {
      "type": "integer",
      "description": "Number of dwellings (residential)"
    },
    "building_type": {
      "enum": [
        "residential",
        "non_residential"
      ],
      "type": "string"
    },
    "parking_spaces": {
      "type": "integer",
      "description": "Total associated parking spaces"
    },
    "covered_car_park": {
      "enum": [
        "yes",
        "no"
      ],
      "type": "string",
      "description": "Non-residential covered car park?"
    }
  }
}

roi_calculator

Engineering ROI calculator. Returns current manual cost, annual saving, net benefit, ROI %, payback months, 3-year NPV and a verdict.

Argument	Type	Description
team_size*	number
hourly_rate*	number
manual_hours*	number	manual hours per week
software_cost	number	annual GBP (default 0)
efficiency_gain_pct*	number	<=90
implementation_time_months*	number

Input schema (JSON)

{
  "type": "object",
  "required": [
    "team_size",
    "hourly_rate",
    "manual_hours",
    "efficiency_gain_pct",
    "implementation_time_months"
  ],
  "properties": {
    "team_size": {
      "type": "number"
    },
    "hourly_rate": {
      "type": "number"
    },
    "manual_hours": {
      "type": "number",
      "description": "manual hours per week"
    },
    "software_cost": {
      "type": "number",
      "description": "annual GBP (default 0)"
    },
    "efficiency_gain_pct": {
      "type": "number",
      "description": "<=90"
    },
    "implementation_time_months": {
      "type": "number"
    }
  }
}

sap_sbem_precheck

UK SAP 10.3 / SBEM EPC precheck. Maps a known SAP rating (1-100) to its EPC band, and/or computes annual CO2 and primary energy from fuel consumption using validated SAP 10 fuel factors. The official EPC band is cost-based and needs a full SAP/RdSAP assessment.

Argument	Type	Description
sap_rating	number	Known SAP rating 1-100 (returns the EPC band)
floor_area_m2	number	For carbon/primary-energy intensity
annual_energy_kwh	object	Map fuel -> kWh/yr. Fuels: mains_gas, grid_electricity, heating_oil, lpg, wood_pellets, wood_logs, wood_chips, biomass_community

Input schema (JSON)

{
  "type": "object",
  "required": [],
  "properties": {
    "sap_rating": {
      "type": "number",
      "description": "Known SAP rating 1-100 (returns the EPC band)"
    },
    "floor_area_m2": {
      "type": "number",
      "description": "For carbon/primary-energy intensity"
    },
    "annual_energy_kwh": {
      "type": "object",
      "description": "Map fuel -> kWh/yr. Fuels: mains_gas, grid_electricity, heating_oil, lpg, wood_pellets, wood_logs, wood_chips, biomass_community"
    }
  }
}

thermal_load

Thermal Load Estimator for data centres / critical facilities. Returns total heat load, cooling capacity, units, airflow, chiller size, PUE estimate, power density, and a CRAC/CRAH/DLC/immersion comparison.

Argument	Type	Description
it_load_kw*	number
redundancy*	string
lighting_kw	number	default 5
cooling_type*	string
room_area_m2*	number
ambient_temp_c*	number
ups_efficiency_pct*	number	1-99.9

Input schema (JSON)

{
  "type": "object",
  "required": [
    "it_load_kw",
    "ups_efficiency_pct",
    "room_area_m2",
    "cooling_type",
    "redundancy",
    "ambient_temp_c"
  ],
  "properties": {
    "it_load_kw": {
      "type": "number"
    },
    "redundancy": {
      "enum": [
        "n",
        "n1",
        "2n"
      ],
      "type": "string"
    },
    "lighting_kw": {
      "type": "number",
      "description": "default 5"
    },
    "cooling_type": {
      "enum": [
        "crac",
        "crah",
        "dlc",
        "immersion"
      ],
      "type": "string"
    },
    "room_area_m2": {
      "type": "number"
    },
    "ambient_temp_c": {
      "type": "number"
    },
    "ups_efficiency_pct": {
      "type": "number",
      "description": "1-99.9"
    }
  }
}

uae_climate_ghg

UAE Scope 1 + Scope 2 GHG estimate from electricity and gas use, with emirate-specific grid emission factors (Dubai/Abu Dhabi/national) and the Federal Decree-Law No. 11 of 2024 mandatory-reporting context. Grid factors carry base-year/confidence caveats.

Argument	Type	Description
gas_m3	number	Annual natural gas (m3), alternative to gas_kwh
emirate*	string
gas_kwh	number	Annual natural gas (kWh)
electricity_kwh*	number	Annual grid electricity (kWh)

Input schema (JSON)

{
  "type": "object",
  "required": [
    "emirate",
    "electricity_kwh"
  ],
  "properties": {
    "gas_m3": {
      "type": "number",
      "description": "Annual natural gas (m3), alternative to gas_kwh"
    },
    "emirate": {
      "enum": [
        "dubai",
        "abu_dhabi",
        "national"
      ],
      "type": "string"
    },
    "gas_kwh": {
      "type": "number",
      "description": "Annual natural gas (kWh)"
    },
    "electricity_kwh": {
      "type": "number",
      "description": "Annual grid electricity (kWh)"
    }
  }
}

uk_planning_checker

UK permitted-development (GPDO 2015, England) rules engine for extensions, loft conversions and change of use. Returns a verdict (likely_pd / requires_permission / complex), applicable PD class, conditions and flags (listed building, Article 4, conservation area, AONB). Indicative, verify with the LPA.

Argument	Type	Description
listed	string
location	string
proposal*	string
article_4	string
use_class	string	Existing use class (C3, C1, E, B2, B8, F1, F2, SG)
proposed_use	string	Proposed use class (change of use only); 'same' if unchanged
property_type*	string
conservation_area	string
extension_depth_m	number	Rear extension depth (m), for extension proposals
national_park_aonb

{
  "type": "object",
  "required": [
    "building_type",
    "floor_area_m2",
    "location",
    "year_built"
  ],
  "properties": {
    "location": {
      "enum": [
        "uk",
        "eu",
        "uae"
      ],
      "type": "string"
    },
    "occupancy": {
      "type": "number"
    },
    "year_built": {
      "type": "integer"
    },
    "refrigerant": {
      "enum": [
        "hfc",
        "hfo",
        "none"
      ],
      "type": "string"
    },
    "gas_kwh_year": {
      "type": "number"
    },
    "building_type": {
      "enum": [
        "office",
        "retail",
        "industrial",
        "datacentre",
        "healthcare",
        "education",
        "residential"
      ],
      "type": "string"
    },
    "elec_kwh_year": {
      "type": "number"
    },
    "floor_area_m2": {
      "type": "number"
    },
    "heat_kwh_year": {
      "type": "number"
    },
    "renewable_pct": {
      "type": "number"
    }
  }
}