Extensions cost in Reading
2026 prices for Berkshire · South East
Extensions in Reading typically costs between £33,500 and £134,500, with most homeowners landing near £84,000. Local pricing sits about 12% above the UK average. Strong demand and overspill from London keep day rates high, though materials and waste costs are close to the national average.
£33,500 – £134,500
UK average £2,200 per m² · Reading index 112
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Extensions prices in Reading by finish level
| FINISH LEVEL | READING COST | WHAT'S INCLUDED |
|---|---|---|
| Budget | £33,500 – £50,500 | Entry-level materials, existing layout retained |
| Mid-range | £48,500 – £73,000 | Better fittings, some layout change |
| Premium | £65,500 – £98,500 | High-specification materials and full redesign |
£46,200
About 55% of a typical Reading job, at South East day rates.
£37,800
Materials pricing is broadly national — this is where specification, not location, drives your total.
What affects extensions cost in Reading
Strong Thames Valley demand and high day rates. Victorian terraces in Caversham and Earley see steady loft-conversion and side-return activity.
- Drainage runs needing diversion
- Party wall agreements with neighbours
- Poor ground conditions requiring deeper foundations
Rules in Reading
Building control and planning applications for extensions work in Reading go through Reading Borough 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 RG1, RG2, RG4, RG30 and the surrounding Berkshire area.
Find vetted trades near ReadingExtensions in Reading: common questions
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