South East regional pricing
How Much Does a Builder Cost in Tonbridge and Malling?
Updated prices for . Tonbridge and Malling prices are typically 13% above the national average.
Price summary
Tonbridge and Malling Price Summary
| Service | Low | Average | High |
|---|---|---|---|
| Single Storey Extension | £34,020 | £56,700 | £90,720 |
| Double Storey Extension | £56,700 | £96,390 | £158,760 |
| Loft Conversion | £28,350 | £51,030 | £85,050 |
Prices include labour and materials. VAT may apply. Based on South East regional pricing.
Full pricing
All Builder Prices in Tonbridge and Malling
Every price adjusted for Tonbridge and Malling using a 1.134x cost multiplier, rounded to the nearest £5.
| Job | Low | Average | High | Duration |
|---|---|---|---|---|
| Single Storey Extension | £34,020 | £56,700 | £90,720 | 8-12 weeks |
| Double Storey Extension | £56,700 | £96,390 | £158,760 | 12-20 weeks |
| Loft Conversion | £28,350 | £51,030 | £85,050 | 6-10 weeks |
| Garage Conversion | £9,070 | £17,010 | £28,350 | 2-4 weeks |
| Porch Build | £2,835 | £5,105 | £9,070 | 1-2 weeks |
| Garden Wall | £905 | £1,700 | £3,400 | 2-4 days |
| Knock Through Internal Wall | £1,135 | £2,040 | £3,970 | 2-4 days |
| Chimney Breast Removal | £1,360 | £2,270 | £3,970 | 2-4 days |
| Underpinning | £5,670 | £13,610 | £28,350 | 2-4 weeks |
| Damp Proof Course | £565 | £1,360 | £2,835 | 1-3 days |
| New Build Garage | £11,340 | £20,410 | £34,020 | 3-5 weeks |
| Outbuilding or Garden Room | £13,610 | £28,350 | £56,700 | 3-6 weeks |
| Structural Steelwork (RSJ Installation) | £1,135 | £2,040 | £3,400 | 1-2 days |
| Patio or Decking Build | £1,700 | £3,970 | £7,940 | 3-5 days |
Single Storey Extension
Low
£34,020
Average
£56,700
High
£90,720
8-12 weeks
Double Storey Extension
Low
£56,700
Average
£96,390
High
£158,760
12-20 weeks
Loft Conversion
Low
£28,350
Average
£51,030
High
£85,050
6-10 weeks
Garage Conversion
Low
£9,070
Average
£17,010
High
£28,350
2-4 weeks
Porch Build
Low
£2,835
Average
£5,105
High
£9,070
1-2 weeks
Garden Wall
Low
£905
Average
£1,700
High
£3,400
2-4 days
Knock Through Internal Wall
Low
£1,135
Average
£2,040
High
£3,970
2-4 days
Chimney Breast Removal
Low
£1,360
Average
£2,270
High
£3,970
2-4 days
Underpinning
Low
£5,670
Average
£13,610
High
£28,350
2-4 weeks
Damp Proof Course
Low
£565
Average
£1,360
High
£2,835
1-3 days
New Build Garage
Low
£11,340
Average
£20,410
High
£34,020
3-5 weeks
Outbuilding or Garden Room
Low
£13,610
Average
£28,350
High
£56,700
3-6 weeks
Structural Steelwork (RSJ Installation)
Low
£1,135
Average
£2,040
High
£3,400
1-2 days
Patio or Decking Build
Low
£1,700
Average
£3,970
High
£7,940
3-5 days
Regional comparison
How Tonbridge and Malling Compares
Average cost of single storey extension across regions.
Local insights
What Affects Builder Costs in Tonbridge and Malling?
The South East has a mix of housing styles, from Victorian and Edwardian semis to 1930s suburban developments and modern estates. In and around Tonbridge and Malling, 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 Tonbridge and Malling 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 Tonbridge and Malling 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 £56,700 to £158,760 for double storey extension in Tonbridge and Malling. Coastal properties in the South East may face additional considerations that affect pricing.
When getting quotes in Tonbridge and Malling, 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
Other Services in Tonbridge and Malling
Explore costs for other services in the Tonbridge and Malling area.
40 services — scroll to explore
UK-wide pricing
Builder Costs in Other Cities
Compare builder prices across the UK.
Common questions
Frequently Asked Questions
Common questions about builder costs in Tonbridge and Malling.