uPVC window styles
Casement: Our uPVC casement windows won't rot, rust or flake and deliver maximum energy efficiency
Sliding sash windows: Sliding sash windows are more durable than traditional timber, yet still allow you to preserve the character of your property
Mock / horned sash windows: Designed to look like a traditional sash windows, with all the benefits of an opening casement window, they usually consist of a lower fixed pane with a moveable upper pane, push-out window
Domestic glazing
All our domestic glazing is A-rated energy efficient as standard, providing excellent thermal and sound insulation. We have a huge range of styles and finishes to choose from and will help you find the right one for your home. Our range of domestic glazing includes:
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Security and safety glass
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Patio doors and skylights
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Decorative glass
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Installation, maintenance and repairs
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Triple Glazing
Less drafts, less noise, less heat loss - there's so many reasons that triple glazing is a good idea. At Alpha, our team in Chessington design, manufacture and install triple glazing for clients across the capital, helping to combat condensation and improve energy efficiency. We believe that bespoke is best and can provide:
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Security and safety glass
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Patio doors and skylights
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Decorative glass
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Installation, maintenance and repairs
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French doors
Exterior French doors combine form and function. The reinforced frames, double glazing and multi point locking system, they’re perfect for any property
Front and back doors
Reinforced panels, energy efficient toughened safety glass, range of styles – whatever you look for in residential front and back doors, you’ll find it at Alpha Glass
Composite doors
Composite doors are formed under pressure for a much thicker door (44mm). The design makes them much stronger and one of the most secure on the market. With a latch, double hook system and three deadbolts, no one can get in if you don't want them to.
Recent Projects
