Extensions cost in Bristol
2026 prices for Bristol · South West
Extensions in Bristol 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 · Bristol index 102
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Extensions prices in Bristol by finish level
| FINISH LEVEL | BRISTOL 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 Bristol 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 Bristol
Georgian and Victorian terraces across Clifton, Bedminster and Totterdown, many on steep slopes. Conservation areas cover a large share of the inner city.
- Drainage runs needing diversion
- Party wall agreements with neighbours
- Poor ground conditions requiring deeper foundations
Rules in Bristol
Building control and planning applications for extensions work in Bristol go through Bristol 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 BS1, BS3, BS6, BS7, BS8 and the surrounding Bristol area.
Find vetted trades near BristolExtensions in Bristol: common questions
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