Local costs · West Midlands · September 2026
How much does an extension cost in Herefordshire?
A mid-range 25 m² single-storey extension in Herefordshire costs about £61,000 to £75,500 including VAT, or £2,400 to £3,000 per m² at West Midlands prices. Herefordshire charges £960 for building control on a 10 to 40 m² extension (full plans, including VAT): 14% above the typical council (£840). With design, a structural engineer, building control and a 15% contingency, budget £76,500 to £99,000.
Work out your project in Herefordshire
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Typical prices in Herefordshire
| Project | Building work | Budget to plan for |
|---|---|---|
| Single-storey extension, 25 m² | £61,000 to £75,500 | £76,500 to £99,000 |
| 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 | £68,500 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 Herefordshire
| Work | Charge |
|---|---|
| Extension up to 10 m² (full plans) | £960 |
| Extension 10 to 40 m² (full plans) | £960 |
| Larger extension, 40-80 m² (full plans) | £1,440 |
| Extension 10 to 40 m² (building notice) | Not published |
| Loft conversion up to 40 m² | £960 |
| Garage conversion | £840 |
Herefordshire charges £960 for building control on a 10 to 40 m² extension (full plans, including VAT): 14% above the typical council (£840). Source: Herefordshire's building control charges, 20 April 2026. Inc VAT total column.
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 Herefordshire compares with every council we checked.
Notes on Herefordshire's schedule
Own page. Single total fee; extensions and lofts share rows (<=40, 40-80 m2). Garage figure is attached garage to single room.
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
- Wolverhampton: £714
- Coventry: £750
- Solihull: £830
- Birmingham: £957
- Stoke-on-Trent: £1,026
Questions people ask
How much does an extension cost in Herefordshire?
A mid-range 25 m² single-storey extension in Herefordshire 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 £76,500 to £99,000.
How much is building control in Herefordshire?
Herefordshire charges £960 (including VAT) for a 10 to 40 m² extension (full plans), according to its published schedule (20 April 2026).
How much does a loft conversion cost in Herefordshire?
A mid-range 30 m² dormer loft conversion in Herefordshire costs about £54,500 to £67,500 including VAT for the building work, and about £68,500 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