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To improve performance of existing sash windows, secondary glazing can be installed discreetly to the inside of frames, providing an extra layer of insulation that keeps your home warmer in winter and cooler in summer.
In Grade I and Grade II Listed buildings and conservation areas where changes and upgrades to windows are not possible, our bespoke secondary glazing (including slim double glazed units) can reduce heat loss by up to 65%. This makes a significant impact on your lowering your heating bills, whilst retaining the beauty of your property.
Another benefit of secondary glazing is that it reduces noise levels by up to 80%. Adding additional windows also slashes a building’s CO2 emissions and enhances security by providing a barrier against unwelcome guests. All whilst preserving the character and charm of your property.
Our secondary glazing units are custom manufactured to your specifications for easy installation and available in the following styles:
All units are designed for easy cleaning and come finished in your choice of over 200 RAL colours.
Request our secondary glazing brochure.
We are trusted by homeowners for creating beautiful, bespoke timber windows, doors and outdoor living products.
We were delighted with the service offered by all members of the ERW team – helpful, patient, professional and courteous. Even though the windows were not the cheapest we are very happy with them. Well Done!
Mr & Mrs M, Stockton on Tees
Workmen cleaned up any mess as they went along and left no mess what so ever at the end. They were diligent and I would certainly recommend this company and I intend on using ERW again.
Mr & Mrs H, Newcastle Upon Tyne
As in all things, there is no substitute for quality. Excellent product connected to a work ethos of ‘only being as good as your last job’ ensures continued quality of service, hopefully, to an ever expanding customer base.
My door is a visual ‘daily delight’. So pleased that I found my way to your factory door.
Mr Taylor, Billingham
I remember visiting your showroom and saying that I wish my windows could be as good as the ones on your display and they are! I am absolutely delighted with them. They have transformed the front of my house. All installation staff involved were extremely polite and professional in their approach. They treated my home with respect and ensured that they cleaned thoroughly after. Please pass on my thanks to them for the quality of work they have done. It has been much admired by so many people, so I will not hesitate to recommend your firm in the future.
Mrs R, Stokesley
Tasteful, timeless, transcendent. For kerb appeal combined with performance, wooden casement windows are in a class of their own. Inspired by classic Tudor and Georgian window designs, our timber casement windows are manufactured to deliver the charm and character of period windows whilst meeting the demands of 21st-century living. Available in a range of styles […]
Find out MoreTo improve performance of existing sash windows, secondary glazing can be installed discreetly to the inside of frames, providing an extra layer of insulation that keeps your home warmer in winter and cooler in summer. In Grade I and Grade II Listed buildings and conservation areas where changes and upgrades to windows are not possible, […]
Find out MoreThe charm and character that original sash windows bring to period buildings are qualities that can’t be replaced. But they can be restored. Request a copy of our Renovation Brochure here Often the most cost effective option, restoring your sash windows not only increase your home’s aesthetics, but reduces your energy bills. With a long […]
Find out MoreDouble glazed timber sashes, including high-performance slim double glazing units, can be installed discreetly to the inside of your existing sash windows, minimising disturbance and preserving character while reducing heat loss by up to 65% and noise levels by up to 80%.
Find out MoreYou can reach a member of the team by calling 01642 456167 or emailing info@erwltd.co.uk and we will get back in touch.
Alternatively, you may wish to browse our range of brochures and guides.
Contact Us Request our Brochure
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We're not able to carry out installations in your postcode area, however, we can still design and create your door, and you can liaise with a local fitter in your area to install it.
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