Extensions cost in Preston
2026 prices for Lancashire · North West
Extensions in Preston typically costs between £28,000 and £113,000, with most homeowners landing near £70,500. Local pricing sits about 6% below the UK average. Large trade base across the Manchester and Liverpool city regions keeps quotes competitive.
£28,000 – £113,000
UK average £2,200 per m² · Preston index 94
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Extensions prices in Preston by finish level
| FINISH LEVEL | PRESTON COST | WHAT'S INCLUDED |
|---|---|---|
| Budget | £28,000 – £42,500 | Entry-level materials, existing layout retained |
| Mid-range | £41,000 – £61,500 | Better fittings, some layout change |
| Premium | £55,000 – £82,500 | High-specification materials and full redesign |
£38,775
About 55% of a typical Preston job, at North West day rates.
£31,725
Materials pricing is broadly national — this is where specification, not location, drives your total.
What affects extensions cost in Preston
Compact red-brick terraces near the centre with post-war semis in Fulwood and Penwortham. Trade availability is strong and quotes tend to come in below the North West average.
- Drainage runs needing diversion
- Party wall agreements with neighbours
- Poor ground conditions requiring deeper foundations
Rules in Preston
Building control and planning applications for extensions work in Preston go through Preston 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 PR1, PR2, PR4, PR5 and the surrounding Lancashire area.
Find vetted trades near PrestonExtensions in Preston: common questions
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