London
French Windows cost in London
French windows (outward-opening paired casements to floor level) cost around 50–70% more than a standard casement due to the larger glass area and threshold detail.
| Material | Glazing | Estimated price range |
|---|---|---|
| uPVC | Double | £1,050 – £2,600 |
| uPVC | Triple | £1,550 – £3,650 |
| Aluminium | Double | £1,850 – £4,600 |
| Timber | Double | £2,500 – £7,300 |
Prices are estimates derived from verified London casement baseline data (source: Checkatrade (Apr 2025) + HomeOwners Alliance) with a french windows-specific multiplier applied. Fully-fitted supply and install including disposal and FENSA/Certass certification.
London note: Labour rates 30% above Midlands baseline; scaffolding costs inflate period-property jobs.
Other window types in London
Casement
Casement prices in London.
Sash
Sash prices in London.
Tilt & Turn
Tilt & Turn prices in London.
Bay
Bay prices in London.
Roof
Roof prices in London.
Secondary
Secondary prices in London.