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This article was published on March 4, 2019
Period homes have a wealth of history and heritage which their owners have a responsibility to preserve and conserve. That’s why when it comes to home improvements, it’s important to appoint specialists who understand the architecture and can advise on the most appropriate products for the project. With 40 years of experience in historical sliding sash renovation, expertise working on listed buildings and within conservation areas, we are specialists in making problems associated with older timber windows like draughts, rattles and operational issues a thing of the past – while carefully ensuring period features are preserved.
For example, if your home has single glazed sliding sash windows, you could find that, with time, you need to frequently dry your windows and mop up water on the cills caused by condensation. Issues such as these can be made even worse if your windows are stuck or have been painted shut. While an inconvenience at best, damaging the paintwork, frames, curtains, wallpaper through staining, at worst, it can be a health hazard for your family due to the mould spores created.
Renovating your wooden sash windows can enable them to be opened; ventilating the rooms, and at the same time draught sealed to stop cold air ingress – both of which will assist in controlling the condensation. Our renovation service can ensure you keep the original charm and character while also benefiting from modern developments providing performance and energy efficiency enhancements.

As well as repairing and refurbishing sashes and boxes to their original design, we can replace damaged glass, renew non-repairable joinery such as cills, install or replace security hardware, and upgrade draft proofing, thermal and security performance.
We can incorporate new energy efficient technologies into your historic window renovation. With our new energy saver sashes we can replace your old sashes, with new high performance double glazed sashes which can reduce the heat loss through the glass by as much as 60%* while retaining the original frames and character of the windows. This latest innovation improves energy efficiency, helps maintain the temperature in the room and gives you control over condensation and fuel bills.
If you’re worried about having to compromise on the style of your home to have something that is more energy efficient, this isn’t the case!
*subject to window survey
You’re warmly invited to join us at our March 2026 Open Weekend to discover exactly what sets our bespoke timber craftsmanship apart. From Friday 20th to Sunday 22nd March, we are opening the doors of our award-winning Middlesbrough showroom and workshop. This event is a brilliant opportunity to see our products up close and gain […]
Timber windows naturally provide a beautiful, timeless aesthetic, instantly bringing warmth and character to any home. They offer the ideal foundation for creating a stunning festive display that can give your home that sought after cozy Christmas feel this time of year. As the days shorten and the outdoor temperature drops, our windows transform into […]
Upgrading your windows is one of the most effective investments that you can make in your property, particularly during the colder months. Outdated or poorly performing windows are often the common cause for heat loss in a home, making rooms feel draughty and inconsistent in temperature, whilst also raising your energy bills. Often, you won’t […]
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
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
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 are absolutely delighted with the new windows which you have installed, which have perfectly retained the elegance of the original design. Installers were a pleasure to have in the house.
Ms D, Jesmond, Newcastle Upon Tyne
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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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