01706 840780
A1 Window Care - Customer Care, Certass Registered UPVC Installers

CertassA1 Window Care is a member of Certass Glazing Scheme, a similar regulation to FENSA, it is licensed by the Department of Communities and Local Government. Certass Building Regulations Scheme ensures all contractors work in a competent and responsible manner in accordance with Part L Building Regulations. On completion of the contracts Certass Glazing is then in a position to issue Building Regulation Completion Certificates to homeowners.


The benefit of the manufacturers guarantee will be passed onto the customer and can be transferred.

Each customer were appropriate will be offered an Insurance Backed Warranty for all work undertaken.

Energy Efficiency

Energy Efficient Windows

Save money & reduce your carbon footprint with energy efficient windows. All our window frames have been tested and comply with the BSI Kitemark. Window Energy Ratings A to C when the correct double glazed unit is incorporated into the frame. (Windows are rated A to G with A being the most efficient). To obtain Energy Rating A – Please enquire for a quotation.

MTC Skills Approved

Competent Person Scheme