What it means to be FENSA approved

Published on: 26th July 2023


FENSA, the Fenestration Self-Assessment Scheme, is a badge of trust for UK window and door fitters.¬† FENSA monitors and approves enterprises that follow severe construction rules for replacement windows and doors. FENSA accreditation ensures that fenestration installations meet safety, energy efficiency, and quality criteria. This plan boosts industry standards and homeowner confidence by streamlining compliance and giving customers the FENSA certificate. FENSA clearance is crucial to the fenestration industry, therefore let’s examine it.

When is a FENSA Certificate Required?

Homeowners in England and Wales must get a FENSA certificate for window and door replacements. In particular, the FENSA certificate is required:

Window and Door Replacements 

Building laws need a FENSA certificate for window and door replacements.Selling a Property

A FENSA certificate is needed to sell a property within 10 years of installation. Potential buyers can rest assured that the window and door replacements meet building codes with the certificate.

Why Should You Use a FENSA Authorised Installer?

Your installer must be a legitimate member of a government-approved Competent Persons Scheme (CPS), such as FENSA if they are not working with Building Control.

Your installer will undergo routine inspections by FENSA as a FENSA-approved installer to guarantee that its high standards and dedication to excellence are consistently upheld.

A FENSA-approved installer will also guarantee that their installations fulfill energy efficiency standards and building codes.

Is Not Having the FENSA Certification Illegal?

Buying or selling a non-FENSA-certified home that may violate other building codes is permissible. It violates building standards, thus building officials disapprove.

Installers who don’t follow construction codes may face issues. The local authority will issue an enforcement notice to the owner of a non-compliant house requiring them to fix or replace the windows and doors. Local authorities may remedy the issues and charge the owner, which may be more expensive.¬† Before hiring an installer, make sure they have a FENSA certificate demonstrating they comply with requirements. Your property work will also be registered with local authorities.

What is Covered Under FENSA Certification?

Only replacement windows that adhere to the relevant building codes were used for the external windows, roof windows, roof lights, and doors of the house. When the building is cited in its original location and the usage and dimensions of the various rooms stay the same, it will be issued.

Commercial properties, additions made to an existing property, porches, and conservatories are not covered by these credentials. The building authorities will give their approval for additions and new construction.


Finally, the window and door installation sector relies on FENSA, the Fenestration Self-Assessment Scheme. FENSA’s building regulation compliance gives homeowners confidence in their installations’ quality and safety. The FENSA certificate proves conformity, simplifying the regulatory process and boosting property sales credibility. FENSA Approved Installers guarantee reliability and professionalism, improving industry standards and customer satisfaction. FENSA’s commitment to excellence lets homeowners replace their windows and doors with confidence.