Secondary Glazing

Many home owners can only insulate their property with secondary glazing because they live in a listed building or a conservation area.

Adding secondary glazing systems is a simple and stylish solution involving adding an extra slim-line internal window within your window reveal or to your existing window frame. This means the external appearance of your property is not affected. Hazlemere supply and fit a range of bespoke secondary glazed windows, each custom built to your needs. Like double glazing, it is designed to insulate your home and reduce external noise. Secondary glazed windows are available single glazed or double glazed in any RAL colour and are lightweight, durable and require very little maintenance.

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Secondary Glazing - for a warmer, quieter life.

Secondary glazing involves adding an extra slim-line window in addition to your existing windows. Secondary glazing is designed to keep the heat in and the noise out. You could also save around 10% on your household bills by fitting our secondary glazing. Duration Windows have the broadest range of bespoke Secondary Glazing in Europe and have been manufacturing since 1985. Secondary Glazing is particularly suitable for use in listed buildings & conservation areas.

Secondary glazing is perfect for both residential or social housing on main roads - even where double glazed windows are already fitted. Any building where altering or replacing the prime window is not possible or not cost effective, such as listed buildings and rented accommodation, will benefit from the installation of secondary glazing. Our aluminium secondary glazing is of the highest quality, light weight, highly effective, with a range of specialist glass for maximum noise reduction and thermal performance. Built to last, it is virtually maintenance free and will give you many years of trouble free service.

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Customer Reviews

Beautiful windows, although insert T-bar was a bit disappointing. Mistake on bay window, however resolved very well.


Windows & Doors Woodley
Louise West – 19th Feb 2020

The white flush window replaced brown wooden ones. They look absolutely amazing. SO pleased with the design and appearance.


Windows & Doors High Wycombe
Jacqui & Philip Warner – 12th Feb 2020

Windows & Doors Maidenhead
Jim Meacock – 4th Feb 2020

Wonderful company to deal with. Terrific fitters and lovely finish.


Windows & Doors Bracknell
Alan White – 4th Feb 2020

Excellent product, well installed.


Conservatory / Orangery High Wycombe
John Kelly – 23rd Jan 2020

Very happy with the conservatory and installation.


Conservatory / Orangery High Wycombe
June Perfect – 23rd Jan 2020

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© 2020 Hazlemere Window Company Ltd.

Credit is subject to status and affordability. Terms and conditions apply. Finance on windows & doors is available to a maximum loan value of £50,000 with zero deposit. Finance on conservatories is available to a maximum loan value of £30,000 with a 15% deposit. £1,000 minimum order value applies to all finance options. Authorised and regulated by the Financial Conduct Authority. Hazlemere Window Company Limited at Cressex Business Park, Wellington Road, High Wycombe, Buckinghamshire HP12 3PR (Financial Services Registered No. 796507) is a credit broker and is authorised and regulated by the Financial Conduct Authority. Credit provided by Hitachi Personal Finance, a trading style of Hitachi Capital (UK) PLC, authorised and regulated by the Financial Conduct Authority (Registered No. 704348). 12/2019