| Scope | Material | Approx cost per window (fitted) | |-------|----------|--------------------------------| | Single sash replacement (timber, single glazed) | Softwood | £800 – £1,200 | | Single sash replacement (timber, slim DG) | Accoya/Oak | £1,200 – £1,800 | | Full box sash replacement (pair) | Softwood + single glazed | £1,800 – £2,800 | | Full box sash replacement (pair) | Accoya + slim DG (heritage) | £2,800 – £4,500 | | Listed building consent application assistance | – | £300 – £600 (extra) |
Some key factors to consider when choosing a sash window replacement company in Hampstead include: sash window replacement hampstead
(based on customer reviews across Google/Checkatrade/Trustpilot – names illustrative): | Scope | Material | Approx cost per
(rare in central Hampstead but possible near boundaries): You can consider higher-quality softwood sashes with standard double glazing (14–16mm units) – cost around £1,800–£2,500 per window. slim DG) | Accoya/Oak | £1