Milton Keynes, Buckinghamshire
Garage Conversion in Milton Keynes
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
£10,920 – £21,000
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 | £1,310 | £2,520 |
| Structural Walls | £1,638 | £3,150 |
| Roof Structure & Covering | £1,092 | £2,100 |
| Windows & Doors | £874 | £1,680 |
| Plumbing & Drainage | £874 | £1,680 |
| Electrical Installation | £655 | £1,260 |
| Plastering & Rendering | £655 | £1,260 |
| Flooring | £546 | £1,050 |
| Kitchen/Bathroom Fitting | £1,092 | £2,100 |
| Decoration & Finishing | £546 | £1,050 |
| Professional Fees | £1,092 | £2,100 |
| Contingency (10%) | £546 | £1,050 |
| Total Estimated Cost | £10,920 | £21,000 |
* 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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