Sash Windows cost in Belfast
Vertically sliding sash windows carry a 30–40% premium over casements due to the counter-balance mechanism and, where relevant, heritage joinery requirements.
| Material | Glazing | Estimated price range |
|---|---|---|
| uPVC | Double | £550 – £1,400 |
| uPVC | Triple | £850 – £1,950 |
| Timber | Double | £1,300 – £3,850 |
Prices are estimates derived from verified Belfast casement baseline data (source: Checkatrade (Apr 2025) + HomeOwners Alliance) with a sash windows-specific multiplier applied. Fully-fitted supply and install including disposal and FENSA/Certass certification.
Belfast note: Northern Ireland labour costs are lower than GB averages; ferry-inflated material costs partially offset savings.
Read the full sash windows cost guide for a national breakdown by material, glazing, and region.
Other window types in Belfast
Casement
Casement prices in Belfast.
Tilt & Turn
Tilt & Turn prices in Belfast.
Bay
Bay prices in Belfast.
French
French prices in Belfast.
Roof
Roof prices in Belfast.
Secondary
Secondary prices in Belfast.