About AJ FENESTRATION LIMITED

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We provide expert VELFAC windows supply and installation services for domestic, housebuilding, and commercial projects across London, the South East, and the East of England.

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Commercial VELFAC Window & Door Installation

We provide specialist, installation-only services for commercial developments, working alongside main contractors, developers and project teams. We focus on installation quality, site coordination and carrying out work in accordance with project specifications and agreed programmes.

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Domestic VELFAC Windows & Doors — Supply & Installation

For homeowners and smaller residential projects, we offer a complete VELFAC window and door supply-and-installation service. We can help you explore the available options and arrange professional installation for your property.​

 

Accreditations & Certifications

• VELFAC Approved Installer

• CHAS Accredited

• Constructionline Approved

• FENSA Registered

• CSCS Carded Fitters

 

Six-Year Installation Warranty

For complete peace of mind, we provide a six-year installation warranty backed by VELFAC. This gives our clients confidence that their installation is protected and supported long after the project has been completed.

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Whether you require the supply of VELFAC windows and doors, a specialist installation service, or a complete supply-and-fit package, A J Fenestration Limited delivers the expertise, quality, and reliability your project deserves.

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