South East regional pricing
How Much Does a Builder Cost in Maidstone?
Updated prices for . Maidstone prices are typically at the national average.
Price summary
Maidstone Price Summary
| Service | Low | Average | High |
|---|---|---|---|
| Single Storey Extension | £30,030 | £50,050 | £80,080 |
| Double Storey Extension | £50,050 | £85,085 | £140,140 |
| Loft Conversion | £25,025 | £45,045 | £75,075 |
Prices include labour and materials. VAT may apply. Based on South East regional pricing.
Full pricing
All Builder Prices in Maidstone
Every price adjusted for Maidstone using a 1.001x cost multiplier, rounded to the nearest £5.
| Job | Low | Average | High | Duration |
|---|---|---|---|---|
| Single Storey Extension | £30,030 | £50,050 | £80,080 | 8-12 weeks |
| Double Storey Extension | £50,050 | £85,085 | £140,140 | 12-20 weeks |
| Loft Conversion | £25,025 | £45,045 | £75,075 | 6-10 weeks |
| Garage Conversion | £8,010 | £15,015 | £25,025 | 2-4 weeks |
| Porch Build | £2,500 | £4,505 | £8,010 | 1-2 weeks |
| Garden Wall | £800 | £1,500 | £3,005 | 2-4 days |
| Knock Through Internal Wall | £1,000 | £1,800 | £3,505 | 2-4 days |
| Chimney Breast Removal | £1,200 | £2,000 | £3,505 | 2-4 days |
| Underpinning | £5,005 | £12,010 | £25,025 | 2-4 weeks |
| Damp Proof Course | £500 | £1,200 | £2,500 | 1-3 days |
| New Build Garage | £10,010 | £18,020 | £30,030 | 3-5 weeks |
| Outbuilding or Garden Room | £12,010 | £25,025 | £50,050 | 3-6 weeks |
| Structural Steelwork (RSJ Installation) | £1,000 | £1,800 | £3,005 | 1-2 days |
| Patio or Decking Build | £1,500 | £3,505 | £7,005 | 3-5 days |
Single Storey Extension
Low
£30,030
Average
£50,050
High
£80,080
8-12 weeks
Double Storey Extension
Low
£50,050
Average
£85,085
High
£140,140
12-20 weeks
Loft Conversion
Low
£25,025
Average
£45,045
High
£75,075
6-10 weeks
Garage Conversion
Low
£8,010
Average
£15,015
High
£25,025
2-4 weeks
Porch Build
Low
£2,500
Average
£4,505
High
£8,010
1-2 weeks
Garden Wall
Low
£800
Average
£1,500
High
£3,005
2-4 days
Knock Through Internal Wall
Low
£1,000
Average
£1,800
High
£3,505
2-4 days
Chimney Breast Removal
Low
£1,200
Average
£2,000
High
£3,505
2-4 days
Underpinning
Low
£5,005
Average
£12,010
High
£25,025
2-4 weeks
Damp Proof Course
Low
£500
Average
£1,200
High
£2,500
1-3 days
New Build Garage
Low
£10,010
Average
£18,020
High
£30,030
3-5 weeks
Outbuilding or Garden Room
Low
£12,010
Average
£25,025
High
£50,050
3-6 weeks
Structural Steelwork (RSJ Installation)
Low
£1,000
Average
£1,800
High
£3,005
1-2 days
Patio or Decking Build
Low
£1,500
Average
£3,505
High
£7,005
3-5 days
Regional comparison
How Maidstone Compares
Average cost of single storey extension across regions.
Local insights
What Affects Builder Costs in Maidstone?
The South East has a mix of housing styles, from Victorian and Edwardian semis to 1930s suburban developments and modern estates. In and around Maidstone, 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 Maidstone are typically 0% 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 Maidstone 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 £50,050 to £140,140 for double storey extension in Maidstone. Coastal properties in the South East may face additional considerations that affect pricing.
When getting quotes in Maidstone, 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
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Common questions
Frequently Asked Questions
Common questions about builder costs in Maidstone.