Sash Windows in Cardiff
From £600
| Service | Typical price in Cardiff |
|---|---|
| Casement Windows | £308 - £792 |
| Sash Windows | £528 - £968 |
| Bay Windows | £1,056 - £2,816 |
| Door Installation | £748 - £1,584 |
| Window Repair | £78 - £220 |
Sash window specialists for Cardiff’s period properties
Original timber sashes are still common on Cardiff’s older streets, and replacing them properly takes more care than a modern casement. A South Wales coastal-adjacent position means a wetter climate than much of England, with regular rain putting pressure on ageing seals, and old single-glazed sashes are usually where that shows up first as draughts and heat loss. Dense Victorian terraces in Cathays and Roath surround a civic centre of grand early-20th-century buildings, with Cardiff Bay redeveloped from its old docklands, and a lot of those original sash boxes are now decades past their expected working life.
Why locals choose us
- Double-glazed sash units built to match traditional sightlines and horns
- Experience working to conservation area guidelines where cathays and Pontcanna carry conservation status covering much of the city’s Victorian terraced housing
- Draught-proofing and mechanism overhauls where full replacement isn’t needed or allowed
- Dense Victorian terraces in Cathays and Roath surround a civic centre of grand early-20th-century buildings, with Cardiff Bay redeveloped from its old docklands
- Weight-and-cord or spring-balance mechanisms serviced or renewed as part of the job
Pricing in Cardiff
Applying Cardiff’s 0.88x regional factor to our national range gives a typical cost of £528–£968 for a sash window replacement, though the final figure depends on materials and the scope of the job.
Areas we cover around Cardiff
We cover Cardiff and the surrounding area, including Barry, Penarth, Caerphilly, Pontypridd and Bridgend. If you’re just outside these areas, get in touch anyway - we can usually still help.
Frequently asked questions
Can I fit double-glazed sash windows on a listed or conservation-area property in Cardiff? Often yes, but cathays and Pontcanna carry conservation status covering much of the city’s Victorian terraced housing, so slimline double-glazed units that replicate the original glazing bars are usually the way through rather than a standard modern sash.
Is it better to repair or replace old sash windows? If the timber frame itself is sound, draught-proofing and mechanism repairs are usually cheaper and can be enough. Full sash replacement makes more sense once the frame has rotted or the sash cords have failed repeatedly.
How long does sash window replacement take in Cardiff? A single sash window usually takes half a day including making good the surrounding plaster or woodwork, though full-house jobs on larger period properties take longer.
Windows and doors in Cardiff - local context
Cardiff's signature bay-fronted Victorian terraces dominate Cathays, Roath and Grangetown, with detached Edwardian villas in Cyncoed and Lisvane, and modern apartments in the Bay redevelopment.
Dominant era of housing stock: Victorian and Edwardian bay-fronted terraces.
Heritage note: Around 27 conservation areas including Pontcanna, Roath Park and Cathays Park.
- Cathays
- Roath
- Pontcanna
- Penylan
- Cyncoed
Postcodes we cover in Cardiff
- CF10
- CF11
- CF14
- CF23
- CF24
Not seeing your postcode? Request a quote anyway - we likely still cover it.