East of England regional pricing
How Much Does a Builder Cost in North Hertfordshire?
Updated prices for . North Hertfordshire prices are typically 34% above the national average.
Price summary
North Hertfordshire Price Summary
| Service | Low | Average | High |
|---|---|---|---|
| Single Storey Extension | £40,140 | £66,900 | £107,040 |
| Double Storey Extension | £66,900 | £113,730 | £187,320 |
| Loft Conversion | £33,450 | £60,210 | £100,350 |
Prices include labour and materials. VAT may apply. Based on East of England regional pricing.
Full pricing
All Builder Prices in North Hertfordshire
Every price adjusted for North Hertfordshire using a 1.338x cost multiplier, rounded to the nearest £5.
| Job | Low | Average | High | Duration |
|---|---|---|---|---|
| Single Storey Extension | £40,140 | £66,900 | £107,040 | 8-12 weeks |
| Double Storey Extension | £66,900 | £113,730 | £187,320 | 12-20 weeks |
| Loft Conversion | £33,450 | £60,210 | £100,350 | 6-10 weeks |
| Garage Conversion | £10,705 | £20,070 | £33,450 | 2-4 weeks |
| Porch Build | £3,345 | £6,020 | £10,705 | 1-2 weeks |
| Garden Wall | £1,070 | £2,005 | £4,015 | 2-4 days |
| Knock Through Internal Wall | £1,340 | £2,410 | £4,685 | 2-4 days |
| Chimney Breast Removal | £1,605 | £2,675 | £4,685 | 2-4 days |
| Underpinning | £6,690 | £16,055 | £33,450 | 2-4 weeks |
| Damp Proof Course | £670 | £1,605 | £3,345 | 1-3 days |
| New Build Garage | £13,380 | £24,085 | £40,140 | 3-5 weeks |
| Outbuilding or Garden Room | £16,055 | £33,450 | £66,900 | 3-6 weeks |
| Structural Steelwork (RSJ Installation) | £1,340 | £2,410 | £4,015 | 1-2 days |
| Patio or Decking Build | £2,005 | £4,685 | £9,365 | 3-5 days |
Single Storey Extension
Low
£40,140
Average
£66,900
High
£107,040
8-12 weeks
Double Storey Extension
Low
£66,900
Average
£113,730
High
£187,320
12-20 weeks
Loft Conversion
Low
£33,450
Average
£60,210
High
£100,350
6-10 weeks
Garage Conversion
Low
£10,705
Average
£20,070
High
£33,450
2-4 weeks
Porch Build
Low
£3,345
Average
£6,020
High
£10,705
1-2 weeks
Garden Wall
Low
£1,070
Average
£2,005
High
£4,015
2-4 days
Knock Through Internal Wall
Low
£1,340
Average
£2,410
High
£4,685
2-4 days
Chimney Breast Removal
Low
£1,605
Average
£2,675
High
£4,685
2-4 days
Underpinning
Low
£6,690
Average
£16,055
High
£33,450
2-4 weeks
Damp Proof Course
Low
£670
Average
£1,605
High
£3,345
1-3 days
New Build Garage
Low
£13,380
Average
£24,085
High
£40,140
3-5 weeks
Outbuilding or Garden Room
Low
£16,055
Average
£33,450
High
£66,900
3-6 weeks
Structural Steelwork (RSJ Installation)
Low
£1,340
Average
£2,410
High
£4,015
1-2 days
Patio or Decking Build
Low
£2,005
Average
£4,685
High
£9,365
3-5 days
Regional comparison
How North Hertfordshire Compares
Average cost of single storey extension across regions.
Local insights
What Affects Builder Costs in North Hertfordshire?
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 North Hertfordshire, 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 North Hertfordshire are typically 34% 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 North Hertfordshire 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 £66,900 to £187,320 for double storey extension in North Hertfordshire. Coastal properties in the East of England may face additional considerations that affect pricing.
When getting quotes in North Hertfordshire, 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 North Hertfordshire
Explore costs for other services in the North Hertfordshire area.
40 services — scroll to explore
UK-wide pricing
Builder Costs in Other Cities
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Common questions
Frequently Asked Questions
Common questions about builder costs in North Hertfordshire.