Extensions cost in Exeter
2026 prices for Devon · South West
Extensions in Exeter typically costs between £30,500 and £122,500, with most homeowners landing near £76,500. Local pricing sits about 2% above the UK average. Travel time across a dispersed region and a high share of period property add cost, offset by lower overheads than the South East.
£30,500 – £122,500
UK average £2,200 per m² · Exeter index 102
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Extensions prices in Exeter by finish level
| FINISH LEVEL | EXETER COST | WHAT'S INCLUDED |
|---|---|---|
| Budget | £30,500 – £46,000 | Entry-level materials, existing layout retained |
| Mid-range | £44,500 – £66,500 | Better fittings, some layout change |
| Premium | £59,500 – £89,500 | High-specification materials and full redesign |
£42,075
About 55% of a typical Exeter job, at South West day rates.
£34,425
Materials pricing is broadly national — this is where specification, not location, drives your total.
What affects extensions cost in Exeter
Compact historic core with Georgian and Victorian stock, plus fast-growing modern estates to the east. Trade demand outstrips supply in peak season, so book early.
- Drainage runs needing diversion
- Party wall agreements with neighbours
- Poor ground conditions requiring deeper foundations
Rules in Exeter
Building control and planning applications for extensions work in Exeter go through Exeter 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 EX1, EX2, EX4 and the surrounding Devon area.
Find vetted trades near ExeterExtensions in Exeter: common questions
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