Extensions cost in Derby
2026 prices for Derbyshire · East Midlands
Extensions in Derby typically costs between £28,500 and £114,000, with most homeowners landing near £71,250. Local pricing sits about 5% below the UK average. Competitive local trade market and lower business overheads make this one of England's better-value regions.
£28,500 – £114,000
UK average £2,200 per m² · Derby index 95
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Extensions prices in Derby by finish level
| FINISH LEVEL | DERBY COST | WHAT'S INCLUDED |
|---|---|---|
| Budget | £28,500 – £43,000 | Entry-level materials, existing layout retained |
| Mid-range | £41,500 – £62,000 | Better fittings, some layout change |
| Premium | £55,500 – £83,500 | High-specification materials and full redesign |
£39,188
About 55% of a typical Derby job, at East Midlands day rates.
£32,062
Materials pricing is broadly national — this is where specification, not location, drives your total.
What affects extensions cost in Derby
Industrial-era terraces near the centre and large 1960s–1980s estates in Mickleover and Oakwood. Straightforward access on most plots keeps labour time down.
- Drainage runs needing diversion
- Party wall agreements with neighbours
- Poor ground conditions requiring deeper foundations
Rules in Derby
Building control and planning applications for extensions work in Derby go through Derby City Council. Confirm before booking whether your property sits in a conservation area, is listed, or is covered by an Article 4 direction — each removes permitted development rights and changes the approval route.
Serving DE1, DE3, DE22, DE23 and the surrounding Derbyshire area.
Find vetted trades near DerbyExtensions in Derby: common questions
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