Made about 9.8 miles from South Kensington
Sash windows in South Kensington
Sash windows for South Kensington homes, made to measure only about 9.8 miles from where we make every frame and fitted by our own team across SW7.
Covering SW7 and the surrounding streets

Sash windows for South Kensington homes
Homes in South Kensington are mostly stucco terraces, red-brick mansion blocks and converted period flats. Victorian and Edwardian terraces often have two-over-two or one-over-one sashes with horns, and matching that pattern exactly keeps the front elevation consistent with neighbouring houses.
In mansion blocks, sash replacement is often controlled by the freeholder or managing agent, so get written approval of the glazing pattern and material before ordering. In conservation areas and on listed buildings, councils may insist on timber sashes or repair rather than replacement, so check with the planning team before choosing materials.
Where a building is listed, or the freeholder insists on keeping the original sashes, secondary glazing fitted inside the existing frames is usually the sensible answer, and it also helps with noise from Cromwell Road. We talk to managing agents about access, consent and parking bay suspensions before we fix a fitting date.
Sliding sash windows open vertically and give period homes their familiar look, with balanced sashes, horns and glazing bars. We make replacement sash windows to match original proportions, suiting owners of Victorian, Edwardian and Georgian properties who want better insulation and security without losing traditional character.
- Matched to original proportions and glazing bars
- Smooth vertical sliding operation
- Fewer draughts and rattles than worn originals
Questions from South Kensington
Do I need planning permission for sash windows in South Kensington?
Nearly all of South Kensington is covered by Kensington & Chelsea conservation areas and many buildings are listed, so we confirm with the Royal Borough and the freeholder what is allowed before quoting; secondary glazing is often the route that avoids a planning application. Replacement sash windows on a house are usually permitted development if they look similar, with FENSA covering Building Regulations, but conservation areas with Article 4 directions, listed buildings and flats often need consent.
How soon can you fit sash windows in South Kensington?
Lead times vary by product and workload — confirmed with your quote. Being about 9.8 miles from our factory makes surveys, fitting days and aftercare visits easy to arrange.
Will replacement sash windows look the same as my originals?
We match the proportions, glazing bar layout and features such as horns as closely as possible. Modern sashes hold thicker double glazed units and weather seals, so sightlines can differ slightly from slim single-glazed originals, which is worth seeing in person before you decide.
Can I see samples before I decide?
Yes. Our showroom is at Unit G, 1 Anthony Way, London N18 3QT (Mon–Fri 8am–5pm), about 9.8 miles from South Kensington. We can also bring samples to your home in South Kensington at the free survey.
Sash windows we make and fit
New windows now.
Pay over 1–5 years.
Finance on orders from £1,000 over 1–5 years, or our standard terms of 50% / 25% / 25%.
See finance optionsAda Windows Limited is an introducer appointed representative of Ideal Sales Solutions Ltd T/A Ideal4Finance. Ideal Sales Solutions is a credit broker and not a lender (FRN 703401).
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Free quote for sash windows in South Kensington
Send your requirements and a few photos — our team will come back with a clear, no-obligation price.


