Covering Penarth
Penarth is about 3 miles south of Cardiff. We also cover Cardiff (3 miles to the north), Whitchurch and Barry.
Homes in South Glamorgan
Welsh homes include long terraces built into hillsides, stone cottages and modern estates, and sloping sites often shape how and where an extension can go.
What is a garage conversion?
A garage conversion turns an attached, integral or detached garage into a habitable room by infilling the door opening, insulating the floor, walls and roof, and adding windows, heating and power. It is one of the quickest and cheapest ways to add a room.
- Planning check (some estates remove permitted development rights)
- Garage door removal and brick infill with window
- Plastering, skirting and decoration-ready finish
What will a garage conversion cost?
Guide prices for garage conversions, including VAT where it applies. Your fixed price is confirmed in writing after the survey.
| Garage conversions | Guide price incl. VAT |
|---|---|
| Single integral garage | £12,000 to £17,000 |
| Single attached garage | £12,000 to £24,000 |
| Single detached garage | £18,000 to £30,000 |
| Double garage | £25,000 to £54,000 |
Do you need permission for a garage conversion in Penarth?
Welsh projects need planning clearance from the council under Welsh rules, building regulations approval under the Welsh approved documents, and party wall notices where the work affects a neighbour’s wall or foundations.
In Wales, converting an attached garage usually does not need planning permission unless rights have been removed by condition or the building is listed.
What should Penarth homeowners check first?
- Some new-build estates have a planning condition keeping garages for parking.
- A bedroom needs an escape window or a protected route out.
What happens after I enquire?
- Send us the details. Give us a postcode, a rough idea of size and some photos, by phone, form or the guide price tool.
- We visit and measure. A surveyor checks the house, the boundaries and the ground, and discusses what is realistic.
- Design and fixed price. You get drawings and a written price for the agreed specification before anything is ordered.
- Construction and completion. One site lead co-ordinates every trade through to the building control certificate.
Garage conversions: common questions
How much does a garage conversion cost?
A single integral garage usually costs about £12,000 to £17,000 including VAT. Detached and double garages cost more.
Does it need building regulations approval?
Yes, because it becomes a habitable room.
How do I get a price for garage conversions in Penarth?
Use the guide price tool for a ballpark figure, then book a visit for a fixed written price for the agreed specification.
Garage conversions near Penarth
- Garage conversions in Cardiff
- Garage conversions in Whitchurch
- Garage conversions in Barry
- Garage conversions in Caerphilly
Learn more about garage conversions, or see every project we cover in Penarth.