East of England regional pricing
How Much Does a Builder Cost in Dacorum?
Updated prices for . Dacorum prices are typically 22% above the national average.
Price summary
Dacorum Price Summary
| Service | Low | Average | High |
|---|---|---|---|
| Single Storey Extension | £36,540 | £60,900 | £97,440 |
| Double Storey Extension | £60,900 | £103,530 | £170,520 |
| Loft Conversion | £30,450 | £54,810 | £91,350 |
Prices include labour and materials. VAT may apply. Based on East of England regional pricing.
Full pricing
All Builder Prices in Dacorum
Every price adjusted for Dacorum using a 1.218x cost multiplier, rounded to the nearest £5.
| Job | Low | Average | High | Duration |
|---|---|---|---|---|
| Single Storey Extension | £36,540 | £60,900 | £97,440 | 8-12 weeks |
| Double Storey Extension | £60,900 | £103,530 | £170,520 | 12-20 weeks |
| Loft Conversion | £30,450 | £54,810 | £91,350 | 6-10 weeks |
| Garage Conversion | £9,745 | £18,270 | £30,450 | 2-4 weeks |
| Porch Build | £3,045 | £5,480 | £9,745 | 1-2 weeks |
| Garden Wall | £975 | £1,825 | £3,655 | 2-4 days |
| Knock Through Internal Wall | £1,220 | £2,190 | £4,265 | 2-4 days |
| Chimney Breast Removal | £1,460 | £2,435 | £4,265 | 2-4 days |
| Underpinning | £6,090 | £14,615 | £30,450 | 2-4 weeks |
| Damp Proof Course | £610 | £1,460 | £3,045 | 1-3 days |
| New Build Garage | £12,180 | £21,925 | £36,540 | 3-5 weeks |
| Outbuilding or Garden Room | £14,615 | £30,450 | £60,900 | 3-6 weeks |
| Structural Steelwork (RSJ Installation) | £1,220 | £2,190 | £3,655 | 1-2 days |
| Patio or Decking Build | £1,825 | £4,265 | £8,525 | 3-5 days |
Single Storey Extension
Low
£36,540
Average
£60,900
High
£97,440
8-12 weeks
Double Storey Extension
Low
£60,900
Average
£103,530
High
£170,520
12-20 weeks
Loft Conversion
Low
£30,450
Average
£54,810
High
£91,350
6-10 weeks
Garage Conversion
Low
£9,745
Average
£18,270
High
£30,450
2-4 weeks
Porch Build
Low
£3,045
Average
£5,480
High
£9,745
1-2 weeks
Garden Wall
Low
£975
Average
£1,825
High
£3,655
2-4 days
Knock Through Internal Wall
Low
£1,220
Average
£2,190
High
£4,265
2-4 days
Chimney Breast Removal
Low
£1,460
Average
£2,435
High
£4,265
2-4 days
Underpinning
Low
£6,090
Average
£14,615
High
£30,450
2-4 weeks
Damp Proof Course
Low
£610
Average
£1,460
High
£3,045
1-3 days
New Build Garage
Low
£12,180
Average
£21,925
High
£36,540
3-5 weeks
Outbuilding or Garden Room
Low
£14,615
Average
£30,450
High
£60,900
3-6 weeks
Structural Steelwork (RSJ Installation)
Low
£1,220
Average
£2,190
High
£3,655
1-2 days
Patio or Decking Build
Low
£1,825
Average
£4,265
High
£8,525
3-5 days
Regional comparison
How Dacorum Compares
Average cost of single storey extension across regions.
Local insights
What Affects Builder Costs in Dacorum?
The East of England has a mix of housing styles, from Victorian and Edwardian semis to 1930s suburban developments and modern estates. In and around Dacorum, 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 East of England sits above the national average for trade costs, influenced by proximity to London and the generally higher cost of living. Labour rates in Dacorum are typically 22% 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 Dacorum 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 £60,900 to £170,520 for double storey extension in Dacorum. Coastal properties in the East of England may face additional considerations that affect pricing.
When getting quotes in Dacorum, 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 Dacorum
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UK-wide pricing
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Common questions
Frequently Asked Questions
Common questions about builder costs in Dacorum.