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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.
I love our new doors. They are absolutely gorgeous and exactly what I’d imagined. Every step of the process has been easy, well managed and clearly communicated, which I have come to appreciate is not always the case.
The installation crew that has been here for the past two days has been friendly and highly professional. They did a great job.
Thank you so much for taking the time to walk us through your showroom and workshop back in December. I couldn’t be more pleased with the outcome.
Ms Hinthorne
We chose your company because it was recommended by a neighbour who had had worked carried out by your firm very satisfactorily. we are equally pleased with the work and communication with your firm throughout and would not hesitate recommending you to any one in a similar position
Ms. S, Gosforth
Thank you so much for the windows and front door. They have exceeded my expectations! I was very happy with the two fitters that came, they were very professional, polite and left our house immaculate. I would definitely recommend your firm to a friend and family.
Mr & Mrs M, Eston, Middlesbrough
First class service from sales through to completion. A top quality product, fitted by a highly professional team in an efficient, timely and very tidy process. We would have no hesitation in recommending ERW to friends and family
Mr & Mrs R, Linthorpe
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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