Local costs · West Midlands · September 2026
How much does an extension cost in Wolverhampton?
A mid-range 25 m² single-storey extension in Wolverhampton costs about £61,000 to £75,500 including VAT, or £2,400 to £3,000 per m² at West Midlands prices. Wolverhampton charges £714 for building control on a 10 to 40 m² extension (full plans, including VAT): the 19th cheapest of the 91 councils we checked, 15% below the typical council (£840). With design, a structural engineer, building control and a 15% contingency, budget £76,000 to £98,500.
Work out your project in Wolverhampton
Loading the calculator…
Typical prices in Wolverhampton
| Project | Building work | Budget to plan for |
|---|---|---|
| Single-storey extension, 25 m² | £61,000 to £75,500 | £76,000 to £98,500 |
| Double-storey extension, 40 m² | £88,500 to £112,000 | £109,000 to £143,000 |
| Dormer loft conversion, 30 m² | £54,500 to £67,500 | £68,000 to £87,500 |
| Kitchen, medium | £8,900 to £15,800 | £10,200 to £18,100 |
| Bathroom refit | £5,900 to £8,800 | £6,800 to £10,200 |
Building prices in West Midlands run about 3% below the UK average outside London. Kitchens and bathrooms vary less from place to place than extensions and lofts.
Building control fees in Wolverhampton
| Work | Charge |
|---|---|
| Extension up to 10 m² (full plans) | £468 |
| Extension 10 to 40 m² (full plans) | £714 |
| Larger extension, 40-100 m² (full plans) | £930 |
| Extension 10 to 40 m² (building notice) | £858 |
| Loft conversion up to 40 m² | £648 |
| Garage conversion | Not published |
Wolverhampton charges £714 for building control on a 10 to 40 m² extension (full plans, including VAT): the 19th cheapest of the 91 councils we checked, 15% below the typical council (£840). Source: Wolverhampton's building control charges, 1 December 2025. Inc VAT columns.
Private approved inspectors set their own prices and are often competitive, so it is worth asking one or two for a quote as well. See how Wolverhampton compares with every council we checked.
Notes on Wolverhampton's schedule
Own schedule. Loft up to 50 m2. Garage conversion only listed as add-on work, so left blank.
Planning
If your extension needs planning permission, a householder application in England costs £548. Many single-storey rear extensions are permitted development and need no application, and a lawful development certificate (£274) confirms it.
Other councils in West Midlands
Building control for a 10 to 40 m² extension:
- Walsall: £672
- Sandwell: £704
- Coventry: £750
- Solihull: £830
- Birmingham: £957
- Herefordshire: £960
- Stoke-on-Trent: £1,026
Questions people ask
How much does an extension cost in Wolverhampton?
A mid-range 25 m² single-storey extension in Wolverhampton costs about £61,000 to £75,500 including VAT for the building work, or £2,400 to £3,000 per m², based on West Midlands prices reviewed in September 2026. With fees and a 15% contingency, budget £76,000 to £98,500.
How much is building control in Wolverhampton?
Wolverhampton charges £714 (including VAT) for a 10 to 40 m² extension (full plans), according to its published schedule (1 December 2025).
How much does a loft conversion cost in Wolverhampton?
A mid-range 30 m² dormer loft conversion in Wolverhampton costs about £54,500 to £67,500 including VAT for the building work, and about £68,000 to £87,500 with fees and a 15% contingency.
Before you get quotes
- How to compare builders' quotes line by line
- Plan your whole budget, including the costs people forget
- Trades: price an extension element by element with editable unit rates