Sash Window Replacement in Kensington
Save Our Sash specialises in sash window replacement for townhouses and period properties throughout Kensington in a custom, energy-efficient way. All windows we install preserve the look and feel of your home, and enhance its comfort and performance.
- Custom sash windows solutions
- Listed building rules followed
- Maintaining period details
- Modern tools & equipments
- Local sash window expertise
- Transparent quote
Complete Sash Window Replacement in Kensington
Sash windows are an important part of a British house. They reflect the elegance and craftsmanship of the building. Over time, the windows might suffer wear & tear. When repair cannot fix the window, replacement is the only option. If your windows are at this point, our staff know how to help you with a simple, fully compliant window replacement for extensive timber rot, structural deterioration, and heavily damaged frames.
Complete sash window replacement is also recommended when there are expensive back-to-back repairs, the windows no longer suit your property’s aesthetics, your house needs improved thermal performance, or a new sash window installation is needed.

When Is Sash Window Replacement Necessary?
When damage has gone past the surface to the window structure, replacement is typically needed. These are the common symptoms of the problem: bad frames, drafts that don’t go away after repairs, and glazing that doesn’t adhere properly.
If your windows have these issues, replacement is likely the better route. Replacing them can also improve thermal performance, reduce ongoing maintenance, and help maintain the traditional appearance and comfort of your Kensington property.
Bespoke Sash Window Replacement for Period & Heritage Properties
There is a high proportion of conservation areas in Kensington, as well as numerous listed buildings. Planning is critical for any window work here, and we have local experience to guide the way through it from the outset. Original sightlines, glazing bars, and paint finishes are matched to ensure your new windows fit seamlessly with the rest of the facade. Before we give you a quote, we let you know in detail what your property is allowed to have, so you don’t experience any delays or problems with your local planning authority later.
From survey to installation, we take care of all the details, whether your property is listed Grade II or just in a conservation area.


Sash Window Replacement Options In Kensington
There is a wide choice of sash window replacement options, including slimline double-glazed and timber windows, to suit the variety of properties and budgets.
There are different window finishes for each option, so you can select the windows that fit your home and enhance comfort, security and energy efficiency. The right option can also help retain the original character and appearance of your Kensington property.
Timber/Wooden Sash Window Replacement
Period properties still prefer timber sash windows. They have an authentic look, are long-lasting, and can be stained and painted to complement the natural woodwork and colour scheme of your home.
Timber/Wooden sash window replacement is particularly suitable for traditional and heritage properties where maintaining the original style and detailing of the sash windows is important.
How Much Does Sash Window Replacement Cost in Kensington?
The replacement window costs depend on the size, material, and level of detail required to replicate a period property. Bespoke joinery and planning compliance can also impact costs where listed buildings and conservation areas are concerned.
More time may be required to get bespoke joinery right and to ensure planning compliance. The number of windows, glazing choice, existing condition, and specific design requirements can also influence the overall replacement cost.
Our survey is free, and there is no obligation. We don’t just give a generic quote; we’ll survey your windows and provide an accurate quote.

Our Sash Window Replacement Process
We always follow a clear-cut procedure to ensure you know what to expect.
- Initial Enquiry: Please contact us and discuss your property and needs.
- Window Survey: We come to you to evaluate your current windows and make accurate measurements.
- Replacement Recommendation: We provide appropriate alternatives for your property, such as double glazing or fitting new sashes while keeping the old design intact.
- Professional Installation: Our professional installers will install your new sash windows with little disruption to your home.
- Finishing: We perform final checks and add finishing touches to ensure windows are of the highest quality and look their best.
Local Sash Window Replacement Near You
Save Our Sash does not just operate in Kensington. We are also based in Chelsea, Notting Hill, Holland Park, Fulham and beyond.
We provide the same trusted service wherever your period property is located; therefore, homeowners can trust us for sash window replacement near home in these neighbourhoods.
Our local experience helps us understand different period property styles and provide suitable sash window replacement solutions while preserving their traditional character.

Frequently Asked Questions


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