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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% and 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 were very happy with the quality of the workmanship, workforce were excellent, working non stop until job was finished. All were friendly and helpful too.
Mr & Mrs B, Middlesbrough
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
I was delighted with the installation process. Steve and Tony worked very hard and took a lot of care around our house. My husband thought we would end up having to redecorate but was amazed that the windows looked like they had always been there. We are delighted and have had a number of positive comments about them. Thank you.
Mr & Mrs C, South Gosforth
Having just recently had wooden windows installed by your company, I would like to thank you for the professional and efficient service you provided. From my initial phone call to ERW through quotation and survey it all went very smoothly. I congratulate you on your work force who were all polite, punctual, reliable, tidy, helpful, considerate and very hard working. A CREDIT TO ERW! Needless to say I am delighted with my new windows and would not hesitate to recommend ERW to anyone who wants to deal with a professional family run firm.
Mrs B, Wolviston, Billingham
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 With a long history of sash window restoration on period properties, listed buildings and within conservation areas, ERW offers both the specialist experience and […]
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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