Extensions cost in Gloucester
2026 prices for Gloucestershire · South West
Extensions in Gloucester 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 · Gloucester index 102
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Extensions prices in Gloucester by finish level
| FINISH LEVEL | GLOUCESTER 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 Gloucester 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 Gloucester
Victorian terraces and large post-war estates, priced noticeably below neighbouring Cheltenham. Severn flood zones affect ground-floor and electrical specification in some areas.
- Drainage runs needing diversion
- Party wall agreements with neighbours
- Poor ground conditions requiring deeper foundations
Rules in Gloucester
Building control and planning applications for extensions work in Gloucester go through Gloucester 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 GL1, GL2, GL3, GL4 and the surrounding Gloucestershire area.
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