INNOVATION: Britannia Windows are always looking to use the latest innovative products


Innovative New Product Range

Britannia Windows has launched an innovative new product range thought to be the most advanced of its kind. Making our windows even more longer lasting, better looking, higher security & thermally efficient than ever before.


Low-Line Invisible Weatherseals: Eliminate the unsightly look of thick rubber gaskets visible on most of our competitors products.

Welded in Anti-Shrink Weatherseals: Prevent the rubber seals from shrinking back over time, dramatically improving long term weathering performance and thermal efficiency.


Profile Cross Section

Innovative 70mm System


Glazed Internally: The ultimate in high security as the glass cannot be removed from the outside unlike external glazing.

70mm Window Depth: The perfect replacement for wooden windows resulting in a cleaner installation than with thinner systems.

Thermal Plus Low Emissivity Glass: Long lasting with unrivalled thermal efficiency.

High Gloss Ultrawhite Finish: Repels dirt and makes the PVCu easier to clean.

Galvanised Steel Reinforcement: To British Standards guidelines for exceptional strength and long-term performance.


Low line Weatherseal

Low-Line Invisible Weatherseals