South West regional pricing

How Much Does a Builder Cost in South Hams?

Updated prices for . South Hams prices are typically 2% below the national average.

14 services priced
South West region
Updated

Price summary

South Hams Price Summary

Service Low Average High
Single Storey Extension £29,370 £48,950 £78,320
Double Storey Extension £48,950 £83,215 £137,060
Loft Conversion £24,475 £44,055 £73,425

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

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Full pricing

All Builder Prices in South Hams

Every price adjusted for South Hams using a 0.979x cost multiplier, rounded to the nearest £5.

Single Storey Extension

Low

£29,370

Average

£48,950

High

£78,320

8-12 weeks

Double Storey Extension

Low

£48,950

Average

£83,215

High

£137,060

12-20 weeks

Loft Conversion

Low

£24,475

Average

£44,055

High

£73,425

6-10 weeks

Garage Conversion

Low

£7,830

Average

£14,685

High

£24,475

2-4 weeks

Porch Build

Low

£2,450

Average

£4,405

High

£7,830

1-2 weeks

Garden Wall

Low

£785

Average

£1,470

High

£2,935

2-4 days

Knock Through Internal Wall

Low

£980

Average

£1,760

High

£3,425

2-4 days

Chimney Breast Removal

Low

£1,175

Average

£1,960

High

£3,425

2-4 days

Underpinning

Low

£4,895

Average

£11,750

High

£24,475

2-4 weeks

Damp Proof Course

Low

£490

Average

£1,175

High

£2,450

1-3 days

New Build Garage

Low

£9,790

Average

£17,620

High

£29,370

3-5 weeks

Outbuilding or Garden Room

Low

£11,750

Average

£24,475

High

£48,950

3-6 weeks

Structural Steelwork (RSJ Installation)

Low

£980

Average

£1,760

High

£2,935

1-2 days

Patio or Decking Build

Low

£1,470

Average

£3,425

High

£6,855

3-5 days

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Regional comparison

How South Hams Compares

Average cost of single storey extension across regions.

South Hams
-2% £48,950
National Average
baseline £50,000
London
+24% £62,150

Local insights

What Affects Builder Costs in South Hams?

The South West has a mix of housing styles, from Victorian and Edwardian semis to 1930s suburban developments and modern estates. In and around South Hams, 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 South Hams are typically 2% 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 South Hams 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 £48,950 to £137,060 for double storey extension in South Hams. Coastal properties in the South West may face additional considerations that affect pricing.

When getting quotes in South Hams, 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 South Hams

Explore costs for other services in the South Hams area.

40 services — scroll to explore

Common questions

Frequently Asked Questions

Common questions about builder costs in South Hams.

How much does a builder cost in South Hams in 2026?
Single Storey Extension in South Hams typically costs between £29,370 and £78,320, with the average being around £48,950. Prices vary depending on the scope of work, materials used, and the specific requirements of your property.
Are builder prices cheaper in South Hams than London?
Yes. South Hams builder costs are typically 2% below the national average, while London prices run around 24% above it. For single storey extension, you could save over £13,200 compared to the same job in London.
How do I find a good builder in South Hams?
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 South Hams?
The main factors are the scope and complexity of what you need, the options and products chosen, and local market rates. South Hams rates are 2% below the national average. Getting multiple quotes is the best way to ensure a fair price.
Do builder prices include materials in South Hams?
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.