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Double Glazed Windows, PVCu Doors & Conservatories

Improve your home with new UPVC Windows, UPVC or composite Doors & Conservatories from Keen Windows your local Borehamwood installer.

More people are beginning to realise the value of replacing old timber windows with energy efficient UPVC windows and UPVC doors. Tough, durable and virtually maintenance free - today UPVC is the most popular choice for replacement windows, doors and conservatories.

Improved Performance

Enjoy the benefits of improved heat and sound insulation. All our UPVC windows and doors boast well insulated frames, quality double glazing, weather tight seals and multi chambered profiles to ensure that heat loss is kept to a minimum.

Where noise is an issue, the thermal insulation properties of PVCu and our unique Q-Lon gasket will help to reduce noise from the outside world. Energy rated products are also available to ensure the best thermal efficient products not only complement your home, but benefit the environment and reduce energy bills.


Not only warm and quiet, the tough exterior of our doors, windows and conservatories are designed to withstand the extremities of the UK weather too.

Finishing Touches

Our UPVC products offer more than just finishing touches to your home; our comprehensive range of products are designed to suit any style of architecture and we can offer you a design that it tailor made to meet your individual needs.

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