South East regional pricing
How Much Does a Builder Cost in Canterbury?
Updated prices for . Canterbury prices are typically 2% below the national average.
Price summary
Canterbury Price Summary
| Service | Low | Average | High |
|---|---|---|---|
| Single Storey Extension | £29,310 | £48,850 | £78,160 |
| Double Storey Extension | £48,850 | £83,045 | £136,780 |
| Loft Conversion | £24,425 | £43,965 | £73,275 |
Prices include labour and materials. VAT may apply. Based on South East regional pricing.
Full pricing
All Builder Prices in Canterbury
Every price adjusted for Canterbury using a 0.977x cost multiplier, rounded to the nearest £5.
| Job | Low | Average | High | Duration |
|---|---|---|---|---|
| Single Storey Extension | £29,310 | £48,850 | £78,160 | 8-12 weeks |
| Double Storey Extension | £48,850 | £83,045 | £136,780 | 12-20 weeks |
| Loft Conversion | £24,425 | £43,965 | £73,275 | 6-10 weeks |
| Garage Conversion | £7,815 | £14,655 | £24,425 | 2-4 weeks |
| Porch Build | £2,445 | £4,395 | £7,815 | 1-2 weeks |
| Garden Wall | £780 | £1,465 | £2,930 | 2-4 days |
| Knock Through Internal Wall | £975 | £1,760 | £3,420 | 2-4 days |
| Chimney Breast Removal | £1,170 | £1,955 | £3,420 | 2-4 days |
| Underpinning | £4,885 | £11,725 | £24,425 | 2-4 weeks |
| Damp Proof Course | £490 | £1,170 | £2,445 | 1-3 days |
| New Build Garage | £9,770 | £17,585 | £29,310 | 3-5 weeks |
| Outbuilding or Garden Room | £11,725 | £24,425 | £48,850 | 3-6 weeks |
| Structural Steelwork (RSJ Installation) | £975 | £1,760 | £2,930 | 1-2 days |
| Patio or Decking Build | £1,465 | £3,420 | £6,840 | 3-5 days |
Single Storey Extension
Low
£29,310
Average
£48,850
High
£78,160
8-12 weeks
Double Storey Extension
Low
£48,850
Average
£83,045
High
£136,780
12-20 weeks
Loft Conversion
Low
£24,425
Average
£43,965
High
£73,275
6-10 weeks
Garage Conversion
Low
£7,815
Average
£14,655
High
£24,425
2-4 weeks
Porch Build
Low
£2,445
Average
£4,395
High
£7,815
1-2 weeks
Garden Wall
Low
£780
Average
£1,465
High
£2,930
2-4 days
Knock Through Internal Wall
Low
£975
Average
£1,760
High
£3,420
2-4 days
Chimney Breast Removal
Low
£1,170
Average
£1,955
High
£3,420
2-4 days
Underpinning
Low
£4,885
Average
£11,725
High
£24,425
2-4 weeks
Damp Proof Course
Low
£490
Average
£1,170
High
£2,445
1-3 days
New Build Garage
Low
£9,770
Average
£17,585
High
£29,310
3-5 weeks
Outbuilding or Garden Room
Low
£11,725
Average
£24,425
High
£48,850
3-6 weeks
Structural Steelwork (RSJ Installation)
Low
£975
Average
£1,760
High
£2,930
1-2 days
Patio or Decking Build
Low
£1,465
Average
£3,420
High
£6,840
3-5 days
Regional comparison
How Canterbury Compares
Average cost of single storey extension across regions.
Local insights
What Affects Builder Costs in Canterbury?
The South East has a mix of housing styles, from Victorian and Edwardian semis to 1930s suburban developments and modern estates. In and around Canterbury, 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 East sits above the national average for trade costs, influenced by proximity to London and the generally higher cost of living. Labour rates in Canterbury are typically 2% below 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 Canterbury 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 £48,850 to £136,780 for double storey extension in Canterbury. Coastal properties in the South East may face additional considerations that affect pricing.
When getting quotes in Canterbury, 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 Canterbury.