Combined Structures Limited
FIRAS Certified4th Floor Silverstream House, London W1T 6EB
Combined Structures Limited is a FIRAS-certified passive fire protection contractor based in 4th Floor Silverstream House, London. They hold certificate RG5807 (Issue 1) and are independently assessed by Warringtonfire, accredited by UKAS — the UK national accreditation body. Their certified scopes include Intumescent Coatings and Penetration Sealing / Fire Stopping, making them a verified choice for building owners, main contractors, and facilities managers requiring compliant passive fire protection work in London and surrounding areas.
FIRAS Certification Details
Certified Services
Intumescent Paint (from 05/03/2026); Penetration Sealing (from 05/03/2026)
Why Choose a FIRAS-Certified Contractor?
FIRAS certification is the UK's leading third-party accreditation scheme for passive fire protection contractors. Certified companies are independently audited by Warringtonfire and subject to random site inspections to ensure ongoing compliance. Building owners and insurers increasingly require FIRAS certification as evidence that fire protection work meets the required standard under the Building Safety Act.