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.
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
We just wanted to drop you a note to let you know that we are very happy with both our secondary glazing and the new double glazing that has very recently been fitted by ERW Joinery Ltd in our home. Despite having some reservations about the aesthetics and impact it would have on the ‘period’ of the house, we both think the windows look great. In addition to this we have already noticed that the house feels much warmer and also retains the heat for longer. I thought that the advice you gave us was excellent & the attention to detail from yourself and your workforce was so important in helping us decide about the best products. Could you also please pass on our thanks to the workforce who were professional, hardworking and above all craftsmen. We will certainly be happy to recommend your company to any of our friends who may be considering similar work.
Ms R, Darlington
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
The service you all provided was second to none, a great job well done!
Ms S, Beamish
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 BrochureBrochure Download
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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