Ystalyfera, Swansea Bay
Bungalow rear extension in Ystalyfera
For homes in Ystalyfera, a bungalow rear extension is often the simplest way to gain space without moving. Single-storey rear extensions that keep everything on one level. We take it from survey to completion certificate.
Ystalyfera is covered from our Swansea Bay round, including SA9. For bungalows in Swansea Bay, a rear extension is the usual way to add space without adding stairs.
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 bungalow rear extension cost in Ystalyfera?
Guide prices for a bungalow rear extension in Ystalyfera start from our Wales rate of £1,720–£2,790 per square metre, including VAT. Prices in Wales sit below our West Midlands baseline; sloping sites are the main variable.
| Size | Guide price inc VAT |
|---|---|
| 3 m wide × 4 m deep (12 m²) | £20,500–£33,500 |
| 4 m wide × 6 m deep (24 m²) | £41,500–£67,000 |
Ground conditions, glazing, the roof and how far the house is opened up move the final figure within the range.
Do you need planning permission for a bungalow rear extension in Ystalyfera?
Whether your bungalow rear extension in Ystalyfera needs a planning application depends on its size, your house and any local restrictions.
The Welsh Government's householder rules let many homes add a single-storey rear extension up to 4 metres deep and 4 metres high without a planning application. Deeper projects go through a householder application, because Wales has no prior approval route.
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 Ystalyfera like to extend?
Older terraces near the centre and post-war semis further out are typical of Ystalyfera. Sloping sites are common in Wales, so floor levels and retaining walls are designed at the start.
How a bungalow rear extension in Ystalyfera comes together
Free site visit
We measure the house and garden, look at the back wall, drainage and boundaries, and talk through what you want from the space.
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.
Bungalow rear extensions near Ystalyfera
Close by, we work in Neath, about 7.3 miles away, and Clydach, about 7.7 miles away.
- Bungalow rear extension in Neath
- Bungalow rear extension in Clydach
- Bungalow rear extension in Ammanford
- Bungalow rear extension in Briton Ferry
- Bungalow rear extension in Maesteg
Other work in Ystalyfera:
FAQ
Bungalow rear extension questions in Ystalyfera
What postcode areas do you cover around Ystalyfera?
Including SA9, and the surrounding Swansea Bay area.
Do I need a party wall agreement?
In Wales, usually yes if the extension is on or near a shared boundary or close to a neighbour's foundations. We serve the notices.
Will the roof look odd?
Not if the pitch and tiles match. Where the eaves are low, a flat-roofed section with a lantern is an alternative.
Will I need a structural engineer?
Yes for the beam over the new opening and usually the foundations; we arrange them and their calculations go to building control.
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.
How long does a rear extension take to build in Ystalyfera?
Most single-storey rear extensions take 10 to 16 weeks on site and two-storey extensions 16 to 26 weeks, after design and approvals.