Building an extension in Trowbridge can transform your home and add genuine value, but costs vary significantly based on project scope, materials, and site conditions. Whether you're planning a single-storey kitchen extension or a more complex two-storey build, understanding local pricing helps you budget accurately. BizHub365 connects Trowbridge homeowners with experienced local extension builders who provide transparent quotes and deliver quality workmanship.
Extension Builder Prices in Trowbridge
| Service | Typical Cost | Unit |
|---|---|---|
| Single-storey brick extension (per square metre) | £1200 – £1800 | per sqm |
| Two-storey extension (per square metre) | £1800 – £2500 | per sqm |
| Complete kitchen extension (20–25 sqm) | £28000 – £45000 | per job |
| Garage conversion (basic) | £15000 – £25000 | per job |
| Basement/underpinning works | £35000 – £65000 | per job |
| Structural design & planning drawings | £1500 – £3000 | per job |
| Project management (per month) | £800 – £1500 | per month |
Prices are indicative averages for Trowbridge. Actual quotes will vary based on job specifics.
What Affects the Cost?
Trowbridge extension costs are influenced by several key factors: ground conditions and soil type (affecting foundations), proximity to utilities, building regulation approval complexity, and local labour availability. Material choices—brick type, insulation standard, window quality—significantly impact budgets. Project duration, site access, and whether works require scaffolding or temporary works all drive costs. Planning permission requirements and any listed building constraints may add time and expense. Seasonal demand and supply chain lead times also affect final pricing.
Money-Saving Tips
Obtain quotes from at least 3–4 local builders to compare pricing. Bundle related works (extension + landscaping) to negotiate package discounts. Plan projects for off-peak months (autumn/winter) when tradespeople may offer better rates. Simplify designs and use standard materials where possible, and ensure complete planning approval before works begin to avoid costly delays.
Frequently Asked Questions
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