Velux Architecture

Chief Architectural Ltd have over 25 years experience in designing loft conversions and extensions using products made by Velux.

Whether your roof windows are for a loft conversion or an extension we will design your roof architecture with attention to detail. There are a wide range of different styles and sizes from Velux e.g. standard centre pivot, top hung, electric, conservation units, cabrio balcony systems, to name a few. Designing your project with the correct roof architecture and products is paramount to a successful outcome.


Velux Catalogue February 2023. The Loft Conversion Company (Portsmouth) Ltd and Chief Architectural Ltd.


Velux Blind Catalogue 2023 The Loft Conversion Company (Portsmouth) Ltd.


VMS Residential-Brochure 2023 UK. Chief Architectural Ltd.


Vario by VELUX Bespoke Rooflights Catalogue. Architect design.

Velux Active

Velux Active has an indoor climate sensor which continuously monitors the room temperature, humidity and carbon dioxide levels in your home, opening and closing your roof windows, blinds and shutters to create a healthier indoor climate for you and your family.

Watch the video below to see the amazing benefits Velux Active can offer.

Velux Active

Technical Information

All Velux windows are equipped with Thermo Technology high performance features with insulation materials which increase the energy efficiency.

There is a large glass pane size reducing in the frame width, allowing more daylight and warmth to flood into the room.


For Kitchens, Bathrooms & En-Suites

The white polyurethane coating of the GGU units make them ideal for high humidity rooms such as kitchens, bathrooms or en-suites.  The uPVC provides extra protection against humidity and prolongs the lifespan of the window.  The white frame has become the most popular style giving it a more modern appearance. 


For Bedrooms & Hallways

The standard white painted Velux window is also equipped with Thermo Technology.  It is double-glazed, centre pivot or top hung, has 6mm toughened outer pane, 6mm laminated inner pane and 15mm argon gas filled cavity.  

In general all Velux windows provides more light, comfort and with the enhanced glazing saves energy, improves security and reduces noise transmission.