About AJ FENESTRATION LIMITED

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At A J Fenestration Limited, we specialise in the supply and installation of DOVISTA products, including VELFAC and Rationel windows and doors.

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

As trusted DOVISTA specialists, we supply and install premium VELFAC and Rationel glazing systems that are renowned for their quality, performance, and contemporary design. Every installation is completed to manufacturer standards, ensuring your windows and doors perform exactly as intended for years to come.

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Our Team Is:

• DOVISTA trained

• CSCS carded

• Experienced in VELFAC & Rationel installation methods

• Professional, reliable, and safety-focused on every project

 

Accreditations & Certifications

• DOVISTA 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 DOVISTA. 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 DOVISTA 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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