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Build Check fenestration and façade testing laboratory

Build CheckBrill, Buckinghamshire

Build Check identifies its Brill in-house laboratory and offers testing of windows, doors and façades, including air permeability, watertightness, wind resistance, impact performance and bespoke research-and-development work.

Reviewed by Arc · About this review

Key facts

Brill laboratory
Build Check identifies its facility at Unit 3A, Hayloaders, Wotton Road, Brill, and states that its in-house laboratory tests windows and doors.
UKAS laboratory body 2731
Build Check states that it is UKAS accredited testing laboratory body 2731 and limits that claim to activities in its UKAS schedules.

Testing capabilities

Façade and weather testing

Build Check describes testing of air permeability, watertightness, wind resistance and impact performance for façade systems, windows and doors.

Bespoke product-development testing

The facility describes bespoke research and testing programmes for construction manufacturers and one-off testing for smaller businesses.

Equipment and published limits

Published equipment limits and conditions
SpecificationPublished valueConditions
Published weather-rig sample sizeUp to 3,000 mm high × 3,000 mm wideBuild Check publishes this as the sample capacity of its custom-built weather test rig.

Access and contact

Email enquiries@buildcheck.co.uk or call 0330 010 1024. Confirm the product or façade system, exact standard, specimen dimensions and preparation, reporting, capacity and lead time.

Facility contact

Address
Unit 3A, Hayloaders, Wotton Road
Brill, Buckinghamshire, HP18 9UB
United Kingdom
Telephone
0330 010 1024

Standards and accreditation

UKAS testing laboratory body 2731
Build Check states that it is UKAS accredited testing laboratory body 2731 and that its accreditation is limited to activities in its schedules.
Published BS 6375-2 reference
The testing page states that windows and doors used in UK buildings need to comply with BS 6375-2.

What to confirm with the facility

  • Confirm the exact method is within the current accredited scope, and agree specimen size and preparation, reporting and current availability.

Before requesting a test

Public information not available. Contact test facility provider for more information.

Frequently asked questions

Public information not available. Contact test facility provider for more information.

Public information not available. Contact test facility provider for more information.

Further reading

Public information not available. Contact test facility provider for more information.

Sources and review

Arc reviewed Build Check’s current website and government CAB profile on 30 September 2026. Confirm that the requested method is within the current accreditation schedule before booking.

Arc publishes this directory entry and does not operate the test facility. Suggest a correction to Arc with a supporting source.

  1. Build Check | Fenestration and Onsite Water Testing

    Build Check · Reviewed

    The current homepage identifies the Brill facility, enquiry route, in-house fenestration testing and UKAS testing laboratory body 2731, qualified to the activities in its schedules.

  2. Laboratory, Façade & Water Testing

    Build Check · Reviewed

    The current service page describes façade, window and door testing, selected performance measures, bespoke work and the published sample size for its custom-built weather rig.

  3. CAB profile - Build Check

    Department for Business and Trade · Reviewed

    The current government profile identifies Build Check at Hayloaders Works in Brill and lists it as an approved body for construction products.