Stafford, Staffordshire
Single Storey Extension in Stafford
A single storey rear or side extension is one of the most popular home improvements in the UK, adding valuable living space without the complexity of multi-level construction.
Estimated Cost
£25,200 – £39,600
Based on 20m² at local rates
8–14 weeks typical duration
Planning permission: Usually not required
Cost Breakdown for Single Storey Extension
Estimated costs for a typical 20m² single storey project, adjusted for local labour and material rates.
| Category | Low Estimate | High Estimate |
|---|---|---|
| Foundations & Groundworks | £3,024 | £4,752 |
| Structural Walls | £3,780 | £5,940 |
| Roof Structure & Covering | £2,520 | £3,960 |
| Windows & Doors | £2,016 | £3,168 |
| Plumbing & Drainage | £2,016 | £3,168 |
| Electrical Installation | £1,512 | £2,376 |
| Plastering & Rendering | £1,512 | £2,376 |
| Flooring | £1,260 | £1,980 |
| Kitchen/Bathroom Fitting | £2,520 | £3,960 |
| Decoration & Finishing | £1,260 | £1,980 |
| Professional Fees | £2,520 | £3,960 |
| Contingency (10%) | £1,260 | £1,980 |
| Total Estimated Cost | £25,200 | £39,600 |
* Costs are estimates based on regional averages and may vary depending on specification, access, and site conditions. Prices include VAT at 20%.
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