South West regional pricing

How Much Does a Builder Cost in North Devon?

Updated prices for . North Devon prices are typically 15% below the national average.

14 services priced
South West region
Updated

Price summary

North Devon Price Summary

Service Low Average High
Single Storey Extension £25,470 £42,450 £67,920
Double Storey Extension £42,450 £72,165 £118,860
Loft Conversion £21,225 £38,205 £63,675

Prices include labour and materials. VAT may apply. Based on South West regional pricing.

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Full pricing

All Builder Prices in North Devon

Every price adjusted for North Devon using a 0.849x cost multiplier, rounded to the nearest £5.

Single Storey Extension

Low

£25,470

Average

£42,450

High

£67,920

8-12 weeks

Double Storey Extension

Low

£42,450

Average

£72,165

High

£118,860

12-20 weeks

Loft Conversion

Low

£21,225

Average

£38,205

High

£63,675

6-10 weeks

Garage Conversion

Low

£6,790

Average

£12,735

High

£21,225

2-4 weeks

Porch Build

Low

£2,125

Average

£3,820

High

£6,790

1-2 weeks

Garden Wall

Low

£680

Average

£1,275

High

£2,545

2-4 days

Knock Through Internal Wall

Low

£850

Average

£1,530

High

£2,970

2-4 days

Chimney Breast Removal

Low

£1,020

Average

£1,700

High

£2,970

2-4 days

Underpinning

Low

£4,245

Average

£10,190

High

£21,225

2-4 weeks

Damp Proof Course

Low

£425

Average

£1,020

High

£2,125

1-3 days

New Build Garage

Low

£8,490

Average

£15,280

High

£25,470

3-5 weeks

Outbuilding or Garden Room

Low

£10,190

Average

£21,225

High

£42,450

3-6 weeks

Structural Steelwork (RSJ Installation)

Low

£850

Average

£1,530

High

£2,545

1-2 days

Patio or Decking Build

Low

£1,275

Average

£2,970

High

£5,945

3-5 days

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Regional comparison

How North Devon Compares

Average cost of single storey extension across regions.

North Devon
-15% £42,450
National Average
baseline £50,000
London
+24% £62,150

Local insights

What Affects Builder Costs in North Devon?

The South West has a mix of housing styles, from Victorian and Edwardian semis to 1930s suburban developments and modern estates. In and around North Devon, 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 West sits above the national average for trade costs, influenced by proximity to London and the generally higher cost of living. Labour rates in North Devon are typically 15% 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 North Devon 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 £42,450 to £118,860 for double storey extension in North Devon. Coastal properties in the South West may face additional considerations that affect pricing.

When getting quotes in North Devon, 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.

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More services

Other Services in North Devon

Explore costs for other services in the North Devon area.

40 services — scroll to explore

Common questions

Frequently Asked Questions

Common questions about builder costs in North Devon.

How much does a builder cost in North Devon in 2026?
Single Storey Extension in North Devon typically costs between £25,470 and £67,920, with the average being around £42,450. Prices vary depending on the scope of work, materials used, and the specific requirements of your property.
Are builder prices cheaper in North Devon than London?
Yes. North Devon builder costs are typically 15% below the national average, while London prices run around 24% above it. For single storey extension, you could save over £19,700 compared to the same job in London.
How do I find a good builder in North Devon?
Get at least three quotes from different tradespeople, check recent reviews, and ask whether the quote includes VAT and everything you need. A detailed written quote that breaks down all costs is a good sign. Always check qualifications, insurance and recent reviews before hiring.
What affects builder prices in North Devon?
The main factors are the scope and complexity of what you need, the options and products chosen, and local market rates. North Devon rates are 15% below the national average. Getting multiple quotes is the best way to ensure a fair price.
Do builder prices include materials in North Devon?
The prices shown on this page include all typical costs. However, when getting real quotes, always confirm what is and isn't included. Some tradespeople break out costs separately, while others give an all-in price. Ask for a detailed breakdown before agreeing to any work.