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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.
Thank you for proving excellent service through the planning and design of the windows, from following through with the planning authority to securing an appropriate outcome and faultless installation. Your staff polite, respectful and highly skilled, thank you again, myself and my tenants are delighted.
Mrs R, Stokesley
The standard of quality of the work done is so good that I can only use one word to crown it – PERFECT! My wife and I hope you will continue to provide such an exemplary piece of work which will no doubt earn you more customers. We are happy to recommend you to everyone we know.
Dr S, Darlington
My wife and I are delighted with the work you carried out on the windows. You completed the work most efficiently, to our agreed time scale. Your dealings with us from initial enquiry to completion, were first class. I would most certainly have no hesitation in recommending your firm to others, and will be in touch in late spring to initiate further work – on our upstairs front windows.
Mr C, Middlesbrough
The guys have done an absolutely fantastic job and we’re extremely pleased with the speed at which they’ve delivered and the quality of the work they’ve done. Please pass on our thanks for a job really well done – we just love the difference that they’ve made to our home.
Miss S, Norton
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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