Sutton Coldfield · B72–B76
House Extensions in Sutton Coldfield
Kingdom Build designs and builds house extensions across Sutton Coldfield (B72–B76) under Birmingham City Council. Single-storey rear extensions are quoted per property on a fixed-price contract, with a 12-month guarantee. Free site visit, and a written quote within 5–7 days.
- Free site visit
- 8–22 weeks
- Fixed-price contract
- 12-Month Guarantee
House Extensions in Sutton Coldfield
Kingdom Build designs and builds house extensions across Sutton Coldfield (B72–B76) under Birmingham City Council. Single-storey rear extensions are quoted per property on a fixed-price contract, with a 12-month guarantee. Free site visit, and a written quote within 5–7 days.
Sutton Coldfield is the area we extend houses in most often, and the job splits fairly cleanly in two. Around Wylde Green, Boldmere and Whitehouse Common you have 1930s and inter-war semis — typically a narrow side passage, a rear projection and a decent garden. The work there is usually a side-return infill, a rear extension, or the two combined into a wraparound that finally gives the ground floor a sensible kitchen-dining space.
North of that, in Four Oaks, Mere Green and Little Aston, the stock is substantially larger and detached. Those projects tend to be double-storey side extensions, garage replacements or significant rear additions where the constraint is less about space and more about getting the proportions right against a big original elevation.
The detail that decides whether a Sutton Coldfield extension looks right is brickwork. Inter-war stock in this area used bricks that no longer come off a modern shelf, and a rear extension in an obviously wrong brick reads as an add-on forever. We source matched or reclaimed brick and match the mortar colour and joint profile — it is a small line on the quote and the single biggest factor in whether the finished house looks original.
Costs
How much does house extension cost in Sutton Coldfield?
What you pay depends mostly on which of the options below your property allows — the gap between the simplest and the most involved is substantial, and it is decided by the building rather than by us. We survey first, then give you a single fixed price. We would rather do that than publish a range that does not survive contact with your Sutton Coldfield property.
| Option |
|---|
| Single-storey rear extensionTypical 20–30m² on a Sutton Coldfield semi, finished to a good standard including glazing and electrics. |
| Side-return infillNarrow but structurally involved — usually needs a steel frame where the original side wall is removed. |
| Wraparound extensionSide return plus rear in one contract. Best value per m² because the groundworks and roof happen once. |
| Double-storey extensionMore common on the Four Oaks and Mere Green detached stock. Nearly always a full planning application. |
Free site visit across B72–B76, then a written fixed-price quote within 5–7 days. Get yours.
Planning
Do you need planning permission in Sutton Coldfield?
Your planning authority is Birmingham City Council. Here is what that means in practice for house extensions in B72–B76.
- Many single-storey rear extensions fall under permitted development — up to 3m on a semi or 4m detached, or 6m/8m via the Larger Home Extension prior approval route, provided you are not in a conservation area and the original house has not already been extended.
- Birmingham City Council is generally pragmatic on householder applications where the design respects local context: symmetrical fenestration on the original elevation, brickwork that ties in, and eaves heights that do not overpower the neighbour.
- Permitted development rights are removed in the conservation areas — parts of Boldmere and Mere Green, and the historic core around Holy Trinity. In those areas a full householder application is required even for modest work.
- Two-storey and side extensions almost always need a full application. The common refusal reasons here are overlooking of a neighbouring garden and a side extension built hard to the boundary with no set-back at first floor.
- We submit the application, handle neighbour consultation and deal with the case officer directly. Building Regulations and the Party Wall award are handled in parallel, not after approval.
Local property
What the Sutton Coldfield housing stock means for your extension
- 1930s semis (Wylde Green, Boldmere): side-return infill and rear extensions; expect shallow original foundations that need underpinning or a stepped foundation at the junction.
- Inter-war bay-fronted terraces: rear extensions work well, but the existing rear projection often has to come down rather than be built onto.
- Post-war detached (Whitehouse Common): straightforward structurally, usually the fastest builds on our books.
- Large detached (Four Oaks, Mere Green, Little Aston): double-storey side additions and garage conversions into habitable space; often combined with a full internal replan.
- Properties backing onto Sutton Park: additional care over anything visible from the park boundary, and occasional tree constraints.
Our work
House Extensions we have delivered
House Extensions in Sutton Coldfield — your questions
Other work we do in Sutton Coldfield
House Extensions in nearby areas
- House Extensions in Solihull
- House Extensions in Edgbaston
- House Extensions in Harborne
- House Extensions in Walsall
- House Extensions in Lichfield
Or read the general house extensions guide covering the whole West Midlands.
Ready to start?
Get a free quote for your Sutton Coldfield project
Free site visit across B72–B76. Fixed-price quote in 5–7 days. No obligation.