Cladding & external-wall risk

Cladding intelligence for every UK block of flats

AI assessment of facade imagery showing whether cladding appears present, how much of the building it covers and the likely material, so you can prioritise which buildings need closer review.

No card required

GET /residential/uprn/999000000016?fields=premium.property.attributes.outdoor.cladding,premium.property.attributes.outdoor.cladding_details

{
"cladding": true,"cladding_details": {
    "cladding_coverage": "majority",
    "primary_cladding_material": "hpl_or_laminate_panel",
    "cladding_material_confidence": "medium",
    "cladding_fire_risk": "Medium",
    "fire_risk_confidence": "medium",
    "risk_notes": [
      "Flat panel cladding across the main elevations of a 14-storey block; panel and insulation build-up not identifiable from imagery.",
      "Stacked balconies with glass balustrades on two elevations.",
      "An on-site EWS1 assessment is recommended to confirm the external wall system."
    ]
  },"id": "999000000016"}

What you get

Understand cladding risk

Understand potential cladding risk across your portfolio, quickly and consistently.

Chimnie uses AI to assess facade imagery and provide clear, practical insight into possible cladding and external-wall risk. Explore individual buildings through our API or request a portfolio-ready flat file.

Test it now for free

Thousands of Facades Assessed

We have inspected thousands of facades with AI to assess cladding. Coverage includes high-rises in Great Britain, plus apartments and blocks below 11m, in line with the latest government cladding remediation funding criteria.

Understand the Exterior

See whether cladding appears to be present, how much of the building it may cover and the likely material, without needing to review every image yourself.

Focus Attention Faster

Quickly identify buildings that may need closer review, so your team can focus time and resources where they matter most. Our assessment is an early screening tool and does not replace an EWS1 or on-site inspection.

FAQ

Cladding Intelligence: questions answered

What does the cladding assessment tell me?

Whether cladding appears to be present, roughly how much of the exterior it covers and the likely material, plus an indicative external-wall risk signal to focus attention.

Which buildings are covered?

Blocks of flats across Great Britain: high-rises plus apartments and blocks below 11 metres, in line with the latest government cladding remediation funding criteria.

Does this replace an EWS1 form or inspection?

No. It is an early screening tool that helps you decide where to look first. It does not replace an EWS1 or an on-site inspection.

How is the assessment produced?

We have inspected thousands of facades with computer-vision models trained to recognise cladding systems and materials from imagery, so no one has to review every photo by hand.

How do I get it for a portfolio?

Query individual buildings through the API on the Premium tier, or request a portfolio-ready flat file. Request a flat file

Start with up to £16 of free balance

Sign up, grab an API key and query any of the 35M+ UK properties in minutes. No card, no contract.

© 2026 Chimnie is a trading name of Little Chimney Limited. All rights reserved.

London, United Kingdom · hello@chimnie.com