We supply and fit aluminium windows, doors and glazing repairs across London and the surrounding Greater London area, covering E1–E20, N1–N22, SE1–SE28, SW1–SW20, W1–W14, NW1–NW11. Typical supplied-and-fitted cost for a standard 1200 × 1200mm casement in London is £840–£1,260.
London housing is dominated by Victorian and Edwardian terraces across Hackney, Islington and Wandsworth, mansion blocks in Kensington and Marylebone, 1930s semis out through the suburbs, and a very large stock of converted flats where window replacement usually needs freeholder consent. That matters, because the right window is the one that suits the stock — not the one the salesperson has in the van.
London has London has more conservation areas than anywhere else in the UK — Article 4 directions are common and can remove permitted development rights entirely, so a heritage-profile or steel-look aluminium window is often the only compliant option. Replacing windows is permitted development for most houses, but a conservation area with an Article 4 direction removes that right, flats have no permitted development rights at all, and a listed building always needs listed building consent.
Check with your London borough council before you order anything. A pre-application conversation costs nothing; an enforcement notice costs a great deal. In practice, conservation officers object to thick sightlines rather than to aluminium as a material — which is exactly why a slim aluminium heritage profile is routinely accepted where uPVC is refused.
London sits in the London pricing band, which runs at roughly 120% the national average. These are supplied-and-fitted ranges including VAT.
| Job | Typical cost |
|---|---|
| Casement window, approx. 600 × 900mm supplied & fitted | £620 – £910 |
| Casement window, approx. 1200 × 1200mm supplied & fitted | £840 – £1,260 |
| Casement window, approx. 1800 × 1200mm supplied & fitted | £1,180 – £1,740 |
| Tilt & turn window, approx. 1200 × 1200mm supplied & fitted | £1,020 – £1,500 |
| Three-section bay window supplied & fitted | £2,640 – £4,320 |
| Bi-fold door, 3 panes, approx. 3m supplied & fitted | £4,560 – £7,200 |
| Whole house, 3-bed semi (8–10 windows) supplied & fitted | £7,800 – £13,200 |
Ranges include VAT and installation. Final price depends on size, spec, access and site condition — a survey gives you a fixed number.
Most window faults are repairs, not replacements. A misted unit is £80–£190 and keeps your existing frame. A handle is £40–£100. A dropped sash is usually a hinge, at £60–£110. And if a window is broken or a door will not lock, we treat it as an emergency — same day where a fitter is free in your E, EC, N, NW, SE, SW, W, WC postcode, next day everywhere else.
| Job | Typical cost |
|---|---|
| Misted / blown double glazed unit, replaced per unit | £80 – £190 |
| Same-day glass replacement, standard pane per pane | £120 – £280 |
| Emergency boarding up per opening | £90 – £180 |
| Window or door handle replaced per handle | £40 – £100 |
| Friction hinge replaced per hinge | £60 – £110 |
| Lock / locking mechanism replaced per lock | £80 – £180 |
Ranges include VAT and installation. Final price depends on size, spec, access and site condition — a survey gives you a fixed number.
We cover E1–E20, N1–N22, SE1–SE28, SW1–SW20, W1–W14, NW1–NW11, plus the wider your London borough council area.
A standard 1200 × 1200mm aluminium casement window typically costs £840–£1,260 supplied and fitted in London, reflecting London pricing. A small window runs £620–£910 and a large one £1,180–£1,740. A full three-bed semi generally lands between £7,800 and £13,200.
We cover E1–E20, N1–N22, SE1–SE28, SW1–SW20, W1–W14, NW1–NW11 and the surrounding Greater London area. If you are just outside, put your postcode on the quote form and we will confirm your local installer and lead time.
For most houses, no — it is permitted development. But London has London has more conservation areas than anywhere else in the UK — Article 4 directions are common and can remove permitted development rights entirely, so a heritage-profile or steel-look aluminium window is often the only compliant option, so check with your London borough council before you order: a conservation area with an Article 4 direction removes permitted development rights, and a listed building always needs consent.
Yes. Broken glass, a door that will not lock, a break-in or storm damage are treated as emergencies — same day where a fitter is free in your postcode, next day everywhere else. Boarding up is £90–£180 and same-day glass replacement £120–£280.
Free survey, fixed price, no pressure. Or call us and we'll give you a realistic ballpark in five minutes.
