Sash Window Draught Proofing in London
Expert sash window draught proofing London to stop cold draughts, reduce energy bills, and preserve the charm of your home.
- Local specialists in London
- Period property experts
- Trusted London company
- Energy-efficient results
- Bespoke solutions
- Affordable draught proofing
Professional Sash Window Draught Proofing Services in London
Save Our Sash offers specialist Sash Window Draught Proofing Services in London. We seal all the gaps around timber sash windows. This prevents any cold air from entering and warm air from escaping. Your home stays warmer for longer. You save money on your energy costs. We are registered specialists with FENSA, and all projects are guaranteed for 10 years by the GGFI insurance policy.
We service Victorian, Georgian, and Edwardian homes across the city. Seasonal effects cause old timber frames to warp and shrink. This leaves small gaps that let in draughts. We install brush seals and draught strips to make sure they seal. We match your frame to the material. The windows open and close normally. The exterior look remains unchanged. Additionally, draught-proofing can reduce outside noise, making your house more peaceful.
Being a local company, we understand the London period properties well. If there is a problem, such as frayed cords or swollen frames, we can catch it early and fix it the same day.


Timber Sash Window Draught Proofing in London
Timber sash windows need careful, skilled handling. Wood expands with the weather, so gaps open up over time. Our specialists first inspect each frame closely, drawing on years of hands-on experience with period timber. We check the cords, the pulleys, and the meeting rails for wear.
We fit seals built specifically for timber frames. These seals fit neatly inside the frame grooves. Your sash still slides freely afterwards. Many London properties still have single-glazed timber sashes. Draught-proofing gives these windows a genuine energy boost at a fraction of the cost of a full replacement. We use tested, durable materials that last for years. We explain each step clearly, so you always know what we are doing and why. Our approach reflects the same craftsmanship customers describe in our Trustpilot and Google reviews.
Improve Energy Efficiency with Sash Window Draught Proofing
Draught-proofing makes your sash windows genuinely more energy-efficient. Gaps around old frames let warm air escape and cold air rush in, which forces your heating system to work harder. This pushes your energy bills up over time. Our brush pile and compression seals completely close these gaps.
Heat stays inside your home for longer. Your boiler runs less often. Many customers notice a real difference in the first cold month. Draught proofing also cuts condensation on the glass, since warm and cold air no longer meet at the frame edge. This protects your timber from damage. Our FENSA-registered specialists fit every seal to a consistent standard, so the energy performance holds up over the years.
You keep the original windows and character while still gaining real comfort and savings, backed by our 10-year guarantee.


Draught Proofing for Period & Conservation Sash Windows in London
Many London homes are in conservation areas, where window replacement often isn’t allowed. Draught proofing solves this problem well. It improves energy efficiency without changing how your windows look from the outside. It keeps your property fully compliant with local conservation rules.
Our specialists have wide experience with listed and period buildings across London. We use brush piles and compression seals that fit invisibly within the frame, so no visible alteration occurs. Our team is well-versed in conservation area requirements and works with techniques that respect original craftsmanship. This allows owners to improve efficiency without compromising their property’s character or conservation status.
Benefits of Sash Window Draught Proofing
Draught proofing brings comfort, savings, and peace. It never changes the look of your period property
- Preservation of historical features
- Increases the property’s value
- Lower energy bills
- Warmer rooms
- Less dust and pollen indoors
- Improves the home’s security
- Fitted by FENSA-registered specialists with a 10-year guarantee


Our Sash Window Draught Proofing Process
We follow a step-by-step process for sash window draught proofing. It is as follows:
- Our specialist will check the sash windows and find draught points.
- Install brush pile and compression seals on each frame.
- Inspect cords and pulleys for smooth operation.
- Tests the finished seal and provides the GGFI guarantee.
All steps are carefully followed to the same standard. And each service is carried out by our FENSA-registered installers.
Why Choose Our Sash Window Draught Proofing Specialists?
FENSA registered installers, adhering to recognised industry standards.
- GGFI 10-year insurance-backed guarantee for each project.
- Seals are manufactured in the UK for long-lasting durability.
- Excellent ratings on Google, Trustpilot, and Checkatrade.
- A crew of specialists who are trained specifically in period timber sash mechanisms.
- Attention to detail and careful working practice on all works.
We treat each home as our own. We are known across London for our real results and the services we promise.


Areas We Cover Across London
Save Our Sash serves homeowners right across London, including Kensington, Chelsea, Islington, Camden, Barnet, Richmond, Southwark and Wandsworth. Our FENSA-registered specialists cover both inner and outer London. We handle projects for all types of properties, of any size, from single windows to full properties.
Frequently Asked Questions

Get a Free Quote for Sash Window
Draught Proofing in London
Contact Save Our Sash today for a free, no-obligation quote. FENSA-registered specialists, UK-manufactured materials, a GGFI 10-year guarantee, and strong reviews on Google, Trustpilot, and Checkatrade back every project we do.
Make your home more comfortable and energy-efficient!

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