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Sash Windows

The popular window style that will keep your home looking its best

Casement windows remain by far the most popular window style in Britain. They are extremely versatile and with so many ways to customise them, you can create a whole new style for your home. Our uPVC frames are extremely durable and won’t warp, fade or rot and are expected to last well over 35 years. They are a great investment for your home and don’t require any more than an occasional clean to keep them looking their best.

The wide selection of uPVC casement windows we offer allows you to find the perfect windows to complement your home. You could have patterned glass and leaded or Georgian bars to add an authentic feel. You can choose from side or top openers so you can control the amount of air that flows around your home. Available fully welded or traditionally mechanically jointed, you can choose the authentic look that works for your home.

Colours and finishes

For a more natural wood effect, our Crystal White, Cream, Golden Oak and Irish Oak foils applied to both outside and inside surfaces give a realistic woodgrain appearance that mimics the grained texture and appearance of an original timber window.

We also offer as standard Colour-on-White options in Chartwell Green, Anthracite Grey, Rosewood, Black Brown, Cream, Golden Oak and Irish Oak. These dual-colour options provide homeowners with customer choice. For example, a characterful external colour can be selected for the external window faces, whilst maintaining a White interior finish to suit internal decoration schemes.

Hardware Options

Our sash windows feature traditionally-styled vertical slider hardware. Pole eyes, tilt knobs, sash lifts, sash locks and travel restrictors are fitted as standard, but we can also offer D handles if needed. All hardware is available in Chrome, Gold, White, Black or Satin Chrome to complement our range of sash window frame colours.

High performance locking systems will deter potential intruders to give homeowners extra peace of mind.

All windows can comply with Fire Escape specifications on request.

Energy Efficient

Energy efficient for the perfect temperature

With our multi-chambered uPVC frames, these windows offer A rated energy efficiency. This will help eliminate draughts in your home and keep a comfortable temperature all year round. 

We use Pilkington energiKare glass in all of our windows which is a high quality solar control glass range. Our sealed units have the perfect combination of glass, gas and a super spacer bar to achieve extremely low U-values. It allows enough light in to keep your home bright but won’t let out any of your warmth.

With home energy bills continuing to soar, more people are switching to energy efficient double glazing when looking to replace their window and doors. Infinity home improvements windows are the best performing UPVC energy window system on the market.

By choosing Infinity Home Improvements double glazing to replace single glazed or older double glazed units will save you money from day one. In fact, you could reduce your home heating bills by up to 20%, saving up to £325 per year!

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Other UPVC Window ranges
Tilt & Turn

A popular replacement window, this design can be tilted inwards for ventilation or turned 90 degrees for easy cleaning.


Our every popular casement windows suit any type of property and we’ll make them in the configuration of your choice.


Maximise the light and space in your with a bay feature window, combining casement panels any way you choose

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