Gloucester, Gloucestershire
Garage Conversion in Gloucester
A garage conversion transforms an existing garage into a habitable room, offering one of the most affordable ways to add living space without building an extension.
Estimated Cost
£9,555 – £18,375
Based on 15m² at local rates
3–6 weeks typical duration
Planning permission: Usually not required
Cost Breakdown for Garage Conversion
Estimated costs for a typical 15m² garage conversion project, adjusted for local labour and material rates.
| Category | Low Estimate | High Estimate |
|---|---|---|
| Foundations & Groundworks | £1,147 | £2,205 |
| Structural Walls | £1,433 | £2,756 |
| Roof Structure & Covering | £956 | £1,838 |
| Windows & Doors | £764 | £1,470 |
| Plumbing & Drainage | £764 | £1,470 |
| Electrical Installation | £573 | £1,103 |
| Plastering & Rendering | £573 | £1,103 |
| Flooring | £478 | £919 |
| Kitchen/Bathroom Fitting | £956 | £1,838 |
| Decoration & Finishing | £478 | £919 |
| Professional Fees | £956 | £1,838 |
| Contingency (10%) | £478 | £919 |
| Total Estimated Cost | £9,555 | £18,375 |
* 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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