Guildford, Surrey
Kitchen Extension in Guildford
A kitchen extension creates a modern, open-plan living and dining space, typically extending the rear of the property to accommodate a larger kitchen area.
Estimated Cost
£35,712 – £57,600
Based on 18m² at local rates
10–16 weeks typical duration
Planning permission: Usually not required
Cost Breakdown for Kitchen Extension
Estimated costs for a typical 18m² kitchen extension project, adjusted for local labour and material rates.
| Category | Low Estimate | High Estimate |
|---|---|---|
| Foundations & Groundworks | £4,285 | £6,912 |
| Structural Walls | £5,357 | £8,640 |
| Roof Structure & Covering | £3,571 | £5,760 |
| Windows & Doors | £2,857 | £4,608 |
| Plumbing & Drainage | £2,857 | £4,608 |
| Electrical Installation | £2,143 | £3,456 |
| Plastering & Rendering | £2,143 | £3,456 |
| Flooring | £1,786 | £2,880 |
| Kitchen/Bathroom Fitting | £3,571 | £5,760 |
| Decoration & Finishing | £1,786 | £2,880 |
| Professional Fees | £3,571 | £5,760 |
| Contingency (10%) | £1,786 | £2,880 |
| Total Estimated Cost | £35,712 | £57,600 |
* 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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