Oldham, Greater Manchester
Garage Conversion in Oldham
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
£8,093 – £15,563
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 | £971 | £1,868 |
| Structural Walls | £1,214 | £2,334 |
| Roof Structure & Covering | £809 | £1,556 |
| Windows & Doors | £647 | £1,245 |
| Plumbing & Drainage | £647 | £1,245 |
| Electrical Installation | £486 | £934 |
| Plastering & Rendering | £486 | £934 |
| Flooring | £405 | £778 |
| Kitchen/Bathroom Fitting | £809 | £1,556 |
| Decoration & Finishing | £405 | £778 |
| Professional Fees | £809 | £1,556 |
| Contingency (10%) | £405 | £778 |
| Total Estimated Cost | £8,093 | £15,563 |
* 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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