Single-storey extensions in Edgbaston: approvals and local details
Planning applications and lawful development certificates for Edgbaston go to Birmingham City Council. Many single-storey extensions fall under permitted development, but not every house keeps those rights — conditions on newer estates, conservation areas and Article 4 directions can remove them. The structural work also needs Building Regulations approval, through the council's building control team or a registered building control approver.
- Foundations within 3 metres of a neighbour's house that go deeper than theirs need party wall notice at least a month in advance.
- Most of the build happens outside, so the kitchen is usually only out of action for one to three weeks near the end.
- A lawful development certificate from Birmingham City Council confirms in writing that a permitted development extension is lawful, which helps when you sell.
- Postcode district
- B15
- Planning and building control
- Birmingham City Council
- From our West Bromwich base
- 5 miles
Which options suit homes in Edgbaston?
Flat roof or pitched roof
Flat roofs, usually GRP fibreglass or EPDM rubber, keep the height down near boundaries and suit roof lanterns. Pitched or lean-to roofs with tiles to match the house look more traditional and shed rain faster, but need more height. The choice affects permitted development limits, cost, and how much light reaches the existing rooms.
Side or side-return extension
Uses the strip of land beside the house, often a passage or driveway. Under permitted development a side extension can be up to half the width of the original house and no more than 4 metres high. On a terrace with a narrow side return, it can widen a galley kitchen considerably without eating into the garden.
How much should you budget in Edgbaston?
Expect to budget between £28,000 and £90,000 depending on size and specification in Edgbaston. A 4 m × 5 m rear extension on a semi, with roof lights and bifold doors: typically £40,000–£52,000.
| Option | Guide price | Good to know |
|---|---|---|
| Small rear or side extension (10–15 m²) | £28,000 – £40,000 | Utility, WC or a modest kitchen extension |
| Rear kitchen-diner extension (18–25 m²) | £38,000 – £58,000 | The glazing spec moves it within the range |
| Wrap-around or large extension (30 m²+) | £58,000 – £90,000 | More steel and roof, and normally a planning application |
Guide ranges include VAT where it applies. Access, parking and the state of what's there now can move the price — the survey settles it.
Single-storey extensions in Edgbaston: common questions
What should I prepare before the survey?
Think about how you want to use the new space, and gather anything you have about the house: old plans, deeds showing boundaries, approvals for any earlier extension, and where you think the drains run. Photos of extensions you like help us price glazing and finishes accurately. If you're in a conservation area or on a newer estate, mention it, as it can affect permitted development.
Do you cover Edgbaston?
Yes. Edgbaston (B15) is about 5 miles from our West Bromwich base and inside the area we cover. Call 0800 088 6248 or send the form on this page to book a free survey.
How much does a single-storey extension cost in the West Midlands?
Most single-storey extensions in the West Midlands cost between £28,000 and £90,000, including VAT where it applies. A typical 4 m × 5 m rear kitchen-diner on a semi, with roof lights and bifold doors, usually costs £40,000–£52,000 built to a finish ready for decorating. Kitchen units, flooring and decorating are extra. After the free survey you get a fixed price for the agreed specification.
Who approves single-storey extensions in Edgbaston?
Usually building control, and sometimes planning. Birmingham City Council is the planning authority for Edgbaston; Building Regulations approval comes from its building control team or a registered building control approver. We'll tell you which applies after the survey.
Close to Edgbaston
- Single-storey extensions in Harborne
- Single-storey extensions in Moseley
- Single-storey extensions in Selly Oak
- Single-storey extensions in Handsworth
Other work we do in Edgbaston
- House renovations in Edgbaston
- Double-storey extensions in Edgbaston
- Loft conversions in Edgbaston
- Kitchen fitting in Edgbaston
- Painting and decorating in Edgbaston
- Bathroom fitting in Edgbaston
Call 0800 088 6248 to talk through your extension, or send us a few details and we'll arrange a visit.