Bay Windows in Swansea
From £1,200
| Service | Typical price in Swansea |
|---|---|
| Casement Windows | £301 - £774 |
| Sash Windows | £516 - £946 |
| Bay Windows | £1,032 - £2,752 |
| Door Installation | £731 - £1,548 |
| Window Repair | £77 - £215 |
Bay window installation across Swansea
Bay window replacement in Swansea usually comes down to getting the structure right before the glass goes in. A South Wales coastal position on the Bristol Channel brings frequent Atlantic rain and salt-laden wind, and the flat or sloped roof over a bay window is often the first place a leak shows up if it isn’t properly maintained. Victorian terraces climb the hills above Swansea Bay, with the more recent Maritime Quarter and Mumbles areas mixing older and newer housing, and bay fronts were a standard feature on a lot of that older stock, especially on front elevations.
Why locals choose us
- Structural assessment of the bay roof and support before any glazing work starts
- Victorian terraces climb the hills above Swansea Bay, with the more recent Maritime Quarter and Mumbles areas mixing older and newer housing
- Square, splayed and curved bay configurations to match the original footprint
- The Maritime Quarter and Mumbles carry conservation protections reflecting their historic and coastal character
- Larger glazed areas designed to maximise natural light without extra heat loss
Pricing in Swansea
Applying Swansea’s 0.86x regional factor to our national range gives a typical cost of £1032–£2752 for a bay window installation, though the final figure depends on materials and the scope of the job.
Areas we cover around Swansea
We cover Swansea and the surrounding area, including Neath, Port Talbot, Llanelli, Bridgend and Merthyr Tydfil. If you’re just outside these areas, get in touch anyway - we can usually still help.
Frequently asked questions
Why do bay windows cost more than a standard window in Swansea? A bay involves three or more frames plus a roof or canopy over the top, and often some structural work to the wall below - all of which adds labour and materials compared with a single flat window.
Do I need planning permission for a new bay window in Swansea? Usually not for a like-for-like replacement, but the Maritime Quarter and Mumbles carry conservation protections reflecting their historic and coastal character, so it’s worth checking if you’re changing the shape or size of the existing bay.
How long does a bay window installation take? Most single bay window jobs in Swansea take one to two days, depending on whether the roof over the bay also needs attention.
Windows and doors in Swansea - local context
Terraced streets across Sandfields and Uplands, interwar semis in Sketty and Killay, plus coastal 1960s-70s stock along the Mumbles road.
Dominant era of housing stock: Victorian terraces and interwar suburban expansion.
Heritage note: Around 30 conservation areas across Swansea Bay including Uplands and Mumbles.
- Uplands
- Sketty
- Mumbles
- Killay
- Morriston
Postcodes we cover in Swansea
- SA1
- SA2
- SA3
- SA4
- SA5
Not seeing your postcode? Request a quote anyway - we likely still cover it.