Casement Windows in Portsmouth
From £350
| Service | Typical price in Portsmouth |
|---|---|
| Casement Windows | £361 - £927 |
| Sash Windows | £618 - £1,133 |
| Bay Windows | £1,236 - £3,296 |
| Door Installation | £876 - £1,854 |
| Window Repair | £92 - £258 |
Casement windows for Portsmouth’s dense naval terraces on Portsea Island
For most Portsmouth properties, casement windows offer the best balance of cost and performance. Portsmouth has some of the densest Victorian terraced housing in the country, built to house naval dockyard workers on a genuinely small island footprint, and a modern A-rated casement unit tends to be a straightforward like-for-like swap in most of them. A Solent coastal position brings salt air that accelerates wear on hardware, especially in exposed Southsea streets, so an up-to-date seal and modern hardware make a real difference to comfort.
Why locals choose us
- A-rated uPVC and timber-effect casement frames, fitted to suit Hampshire’s mix of housing
- Portsmouth has some of the densest Victorian terraced housing in the country, built to house naval dockyard workers on a genuinely small island footprint
- Free, no-obligation quotes with a clear breakdown before you commit
- Multi-point locking as standard on every casement window we fit
- A Solent coastal position brings salt air that accelerates wear on hardware, especially in exposed Southsea streets
Pricing in Portsmouth
Portsmouth carries a regional price factor of 1.03x the national average, so a casement window replacement here typically runs from around £361 up to £927 - get a free quote for an exact figure for your property.
Areas we cover around Portsmouth
We cover Portsmouth and the surrounding area, including Southampton, Fareham, Gosport, Havant and Waterlooville. If you’re just outside these areas, get in touch anyway - we can usually still help.
Frequently asked questions
Do casement windows need planning permission in Portsmouth? Most like-for-like casement replacements do not need planning permission. The main exception is where old Portsmouth and parts of Southsea carry conservation status protecting their Georgian and Victorian character - in that case it is worth a quick check with the council before ordering.
How long does a casement window installation take? A typical Portsmouth home with six to eight casement windows is usually finished in a single day by a two-person team, though larger properties or ones with tricky access can take longer.
What’s the difference between uPVC and timber-effect casement frames? uPVC is the lower-maintenance, lower-cost option, while timber-effect composite frames cost more but suit period-adjacent streets where appearance matters more.
Windows and doors in Portsmouth - local context
Terraced streets across Southsea and Fratton, Victorian villas in Old Portsmouth, plus postwar rebuild in the docks area after heavy WWII bombing.
Dominant era of housing stock: Victorian to Edwardian, plus significant postwar reconstruction.
Heritage note: 23 conservation areas including Old Portsmouth and Southsea.
- Southsea
- Old Portsmouth
- Cosham
- Drayton
- Milton
Postcodes we cover in Portsmouth
- PO1
- PO2
- PO4
- PO5
- PO6
Not seeing your postcode? Request a quote anyway - we likely still cover it.