Coity, South Wales Valleys
Wraparound extension in Coity
An L-shaped extension that fills the side return and runs across the back. If you live in Coity and want to know what a wraparound extension would cost and whether it needs planning, start with the online guide price or a free site visit.
Coity is covered from our South Wales Valleys round, including CF31, CF32 and CF35. In Coity we usually draw the wraparound and a simpler rear-only option side by side, so the planning risk and cost difference are clear.
Book a free site visit
Tell us about the house and we'll call to arrange a free, no-obligation visit.
How much does a wraparound extension cost in Coity?
A wraparound extension in Coity is priced at £2,050–£3,350 per square metre including VAT as a guide, before kitchen fit-out and fees. Prices in Wales sit below our West Midlands baseline; sloping sites are the main variable.
| Size | Guide price inc VAT |
|---|---|
| L-shaped, about 22 m² of new floor | £45,000–£73,500 |
| L-shaped, about 30 m² of new floor | £61,500–£100,500 |
We put a fixed price in writing once the design is agreed, and explain any provisional sums such as foundations.
Do you need planning permission for a wraparound extension in Coity?
Here is how the rules in Wales apply to a wraparound extension in Coity.
In Wales a single-storey side extension can be permitted development if it is no more than 4 metres high and the house ends up no more than 50% wider than the original. Many side return infills on terraced streets, and most wraparounds, go through a householder application.
The Party Wall etc. Act 1996 also applies in Wales: two months' notice for work to a shared wall and one month for foundations dug close to a neighbour's building.
Conservation areas, National Parks and National Landscapes restrict permitted development in Wales, and listed buildings need listed building consent. At the first visit we measure what is there now and tell you which route fits: permitted development or a householder planning application.
What are homes in Coity like to extend?
Coity is largely terraced streets on sloping ground, where back gardens step up or down from the house. Excavation, retaining walls and drainage are priced at the survey.
How a wraparound extension in Coity comes together
Survey visit
We visit free of charge, measure up, check access, drainage and neighbours' extensions, and note what you want the room to do.
Options and costs
We draw layout options and price each one, so the budget shapes the design rather than surprising you later.
Planning and regulations
We take the design through the right planning route, then produce the construction drawings and engineer's calculations for building control.
Build and sign-off
We build to the approved drawings with regular updates, then hand over the building control completion certificate and any guarantees from suppliers.
Wraparound extensions near Coity
We also build wraparound extensions in nearby Bridgend (1.5 miles) and Aberkenfig (2.1 miles).
- Wraparound extension in Bridgend
- Wraparound extension in Aberkenfig
- Wraparound extension in Pyle
- Wraparound extension in Porthcawl
- Wraparound extension in Maesteg
Other work in Coity:
FAQ
Wraparound extension questions in Coity
Do you handle building control in Coity?
Yes. We apply to the council or a registered approver under the Welsh regulations and hand over the completion certificate.
What postcode areas do you cover around Coity?
Including CF31, CF32 and CF35, and the surrounding South Wales Valleys area.
Will it take a lot of garden?
Less than a deep rear extension of the same area, because part of the space comes from the side passage.
How long does a rear extension take to build in Coity?
Most single-storey rear extensions take 10 to 16 weeks on site and two-storey extensions 16 to 26 weeks, after design and approvals.
Is the site visit in Coity free?
Yes. We visit, measure up and talk through the options with no cost and no obligation.
Can I get a price without a visit?
Our online guide-price tool gives a range in a couple of minutes. A written price needs a survey.