Foundry Compliance — Part L (England & Wales) / FHS Audit

Foundry Compliance

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Welcome to Foundry Compliance

Run a Part L 2021 / Future Homes Standard compliance check in 60 seconds. Here's how it works:

Upload your design pack

Drop an energy statement, NBS specification, or Part L design pack PDF — Foundry extracts compliance parameters automatically.

Review extracted values

Check AI-extracted parameters. Amber or red fields need verification — correct any errors before running the audit.

Get your audit report

Download a tamper-proof PDF showing clause-by-clause verdicts and AI reasoning — suitable for Building Control retention.

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Upload Design Pack

Review Extracted Values

Audit Results

Upload Your Design Pack PDF

Upload an energy statement, NBS specification, or Part L design pack. Foundry Compliance will automatically extract the compliance parameters — no manual data entry required.

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Drag and drop a PDF here, or click to browse

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Extracting parameters from PDF…

⚠ Review before running audit. AI-extracted values are highlighted by confidence. Fields marked in amber or red need your verification. Correct any errors before proceeding.

Review Extracted Parameters

95% High confidence — value clearly stated 65% Medium — review recommended 30% Low — please verify or enter manually — Not found in document

Project Details

Project Reference (opt — used in export filename)

Jurisdiction

Select the jurisdiction that applies to this project. Welsh projects are checked against Approved Document L (Wales) 2022.

Building Type

New dwellings use AD L Vol 1 backstop limits. Extensions and renovations to existing dwellings use the higher Vol 2 limits (wall ≤0.28, roof ≤0.15, floor ≤0.22, windows ≤1.4 W/m²K).

Building Fabric

Wall U-value (W/m²K) —

Roof U-value (W/m²K) —

Floor U-value (W/m²K) —

Window U-value (W/m²K) —

Door U-value (W/m²K) (opt) —

Thermal Bridging Y (W/m²K) (opt) —

Floor & Glazing Areas

Total Floor Area (m²) —

Total Glazing Area (m²) —

Building Services

Air Permeability (m³/h·m²) (opt) —

Lighting Efficacy (lm/W) (opt) —

Heating System —

Ventilation Type (opt) —

Hot Water System (opt) —

Energy Performance (FHS Targets)

Primary Energy (kWh/m²/yr) (opt) —

CO₂ Emissions (kgCO₂/m²/yr) (opt) —

Running compliance checks against Part L 2021 & FHS 2025…

Before you continue

Welcome to Foundry Compliance

Upload Your Design Pack PDF

Review Extracted Parameters

How accurate were these results?

Export & Actions