South West regional pricing
How Much Does a Builder Cost in Cheltenham?
Updated prices for . Cheltenham prices are typically 13% above the national average.
Price summary
Cheltenham Price Summary
| Service | Low | Average | High |
|---|---|---|---|
| Single Storey Extension | £33,870 | £56,450 | £90,320 |
| Double Storey Extension | £56,450 | £95,965 | £158,060 |
| Loft Conversion | £28,225 | £50,805 | £84,675 |
Prices include labour and materials. VAT may apply. Based on South West regional pricing.
Full pricing
All Builder Prices in Cheltenham
Every price adjusted for Cheltenham using a 1.129x cost multiplier, rounded to the nearest £5.
| Job | Low | Average | High | Duration |
|---|---|---|---|---|
| Single Storey Extension | £33,870 | £56,450 | £90,320 | 8-12 weeks |
| Double Storey Extension | £56,450 | £95,965 | £158,060 | 12-20 weeks |
| Loft Conversion | £28,225 | £50,805 | £84,675 | 6-10 weeks |
| Garage Conversion | £9,030 | £16,935 | £28,225 | 2-4 weeks |
| Porch Build | £2,825 | £5,080 | £9,030 | 1-2 weeks |
| Garden Wall | £905 | £1,695 | £3,385 | 2-4 days |
| Knock Through Internal Wall | £1,130 | £2,030 | £3,950 | 2-4 days |
| Chimney Breast Removal | £1,355 | £2,260 | £3,950 | 2-4 days |
| Underpinning | £5,645 | £13,550 | £28,225 | 2-4 weeks |
| Damp Proof Course | £565 | £1,355 | £2,825 | 1-3 days |
| New Build Garage | £11,290 | £20,320 | £33,870 | 3-5 weeks |
| Outbuilding or Garden Room | £13,550 | £28,225 | £56,450 | 3-6 weeks |
| Structural Steelwork (RSJ Installation) | £1,130 | £2,030 | £3,385 | 1-2 days |
| Patio or Decking Build | £1,695 | £3,950 | £7,905 | 3-5 days |
Single Storey Extension
Low
£33,870
Average
£56,450
High
£90,320
8-12 weeks
Double Storey Extension
Low
£56,450
Average
£95,965
High
£158,060
12-20 weeks
Loft Conversion
Low
£28,225
Average
£50,805
High
£84,675
6-10 weeks
Garage Conversion
Low
£9,030
Average
£16,935
High
£28,225
2-4 weeks
Porch Build
Low
£2,825
Average
£5,080
High
£9,030
1-2 weeks
Garden Wall
Low
£905
Average
£1,695
High
£3,385
2-4 days
Knock Through Internal Wall
Low
£1,130
Average
£2,030
High
£3,950
2-4 days
Chimney Breast Removal
Low
£1,355
Average
£2,260
High
£3,950
2-4 days
Underpinning
Low
£5,645
Average
£13,550
High
£28,225
2-4 weeks
Damp Proof Course
Low
£565
Average
£1,355
High
£2,825
1-3 days
New Build Garage
Low
£11,290
Average
£20,320
High
£33,870
3-5 weeks
Outbuilding or Garden Room
Low
£13,550
Average
£28,225
High
£56,450
3-6 weeks
Structural Steelwork (RSJ Installation)
Low
£1,130
Average
£2,030
High
£3,385
1-2 days
Patio or Decking Build
Low
£1,695
Average
£3,950
High
£7,905
3-5 days
Regional comparison
How Cheltenham Compares
Average cost of single storey extension across regions.
Local insights
What Affects Builder Costs in Cheltenham?
The South West has a mix of housing styles, from Victorian and Edwardian semis to 1930s suburban developments and modern estates. In and around Cheltenham, many properties in areas near Surrey and Kent vary in age and condition. Older properties with original features typically cost more for builder work due to additional preparation and access challenges.
The South West sits above the national average for trade costs, influenced by proximity to London and the generally higher cost of living. Labour rates in Cheltenham are typically 13% above the UK average. Despite this, there's a strong supply of qualified builder professionals across the region. Prices can vary 30-50% between different tradespeople for the same job, so getting multiple quotes is essential.
What you pay for builder work in Cheltenham depends on the complexity of the job, the materials used, and the condition of your property. Older detached and semi-detached homes often present more challenges that add to the cost. For larger jobs, expect to pay £56,450 to £158,060 for double storey extension in Cheltenham. Coastal properties in the South West may face additional considerations that affect pricing.
When getting quotes in Cheltenham, aim for at least three from different qualified professionals. Ask each one to visit and assess the work rather than quoting over the phone. A good builder will check the existing setup, identify complications, and provide a detailed cost breakdown. Be wary of quotes that seem significantly cheaper — they may be cutting corners on materials or quality. Always check qualifications, insurance and recent reviews.
More services
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UK-wide pricing
Builder Costs in Other Cities
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Common questions
Frequently Asked Questions
Common questions about builder costs in Cheltenham.