Made about 6.3 miles from Hampstead Garden Suburb
Sash windows in Hampstead Garden Suburb
Sash windows for Hampstead Garden Suburb homes, made to measure only about 6.3 miles from where we make every frame and fitted by our own team across NW11.
Covering NW11 and the surrounding streets

Sash windows for Hampstead Garden Suburb homes
The housing in Hampstead Garden Suburb is largely Arts and Crafts houses, cottages and early 20th-century flats. On larger period houses with many sashes, prioritise the most draughty or damaged windows first, and record the glazing bar layouts so later phases match exactly.
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.
Before any work, the Hampstead Garden Suburb Trust usually needs to give consent, and the area is a conservation area under Barnet Council. We review the Trust's design guidance with you at survey, so drawings and quotes are prepared with approval in mind.
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.
- Traditional look with modern weather sealing
- Matched to original proportions and glazing bars
- Smooth vertical sliding operation
All about our sash windows More about Hampstead Garden Suburb
Questions from Hampstead Garden Suburb
Do I need planning permission for sash windows in Hampstead Garden Suburb?
Hampstead Garden Suburb is a conservation area, and most window and door changes need Hampstead Garden Suburb Trust consent as well as possibly Barnet Council approval, so we check both before quoting. 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 Hampstead Garden Suburb?
Lead times vary by product and workload — confirmed with your quote. Being about 6.3 miles from our factory makes surveys, fitting days and aftercare visits easy to arrange.
Should I repair or replace my old sash windows?
If the timber is mostly sound, repair and draught-proofing can extend the life of original sashes, and may be required on listed buildings. Where frames are rotten, sashes are badly warped or you want much better insulation than single glazing gives, replacement is usually more practical. We'll give you an honest view after inspecting them.
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 6.3 miles from Hampstead Garden Suburb. We can also bring samples to your home in Hampstead Garden Suburb 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 Hampstead Garden Suburb
Send your requirements and a few photos — our team will come back with a clear, no-obligation price.


