Window costs in Portsmouth
Indicative pricing for a standard 1200×1000mm casement window fully fitted in Portsmouth, across four common specifications.
| Material | Glazing | Size | Price range |
|---|---|---|---|
| uPVC | Double | Standard (1200x1000mm casement) | £600 - £1,500 |
| uPVC | Triple | Standard (1200x1000mm casement) | £900 - £2,100 |
| Aluminium | Double | Standard (1200x1000mm casement) | £1,080 - £2,640 |
| Timber | Double | Standard (1200x1000mm casement) | £1,440 - £4,200 |
Portsmouth specifics
Housing: Old Portsmouth and Southsea conservation areas protect Victorian terraces; post-war council stock is prevalent in Paulsgrove and Leigh Park.
Climate: Direct sea exposure across the harbour; salt-laden winds accelerate hardware corrosion on south-facing windows.
Price driver: Conservation-area jobs in Southsea carry a premium; outer estates offer straightforward, lower-cost replacements.
Installers: Mixed heritage and modern installer base; historic dockyard specialists available for listed-building work.
By window type in Portsmouth
Casement
See casement prices and specification in Portsmouth.
Sash
See sash prices and specification in Portsmouth.
Tilt & Turn
See tilt & turn prices and specification in Portsmouth.
Bay
See bay prices and specification in Portsmouth.
French
See french prices and specification in Portsmouth.
Roof
See roof prices and specification in Portsmouth.
Secondary glazing
See secondary glazing prices and specification in Portsmouth.
Next steps
Look at installers covering Portsmouth, or read the full cost-guide library for material and glazing deep-dives.