South West regional pricing

How Much Does a Builder Cost in Bournemouth?

Updated prices for . Bournemouth prices are typically 3% below the national average.

14 services priced
South West region
Updated

Price summary

Bournemouth Price Summary

Service Low Average High
Single Storey Extension £29,010 £48,350 £77,360
Double Storey Extension £48,350 £82,195 £135,380
Loft Conversion £24,175 £43,515 £72,525

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

Ad Slot -- In-Content 1

Full pricing

All Builder Prices in Bournemouth

Every price adjusted for Bournemouth using a 0.967x cost multiplier, rounded to the nearest £5.

Single Storey Extension

Low

£29,010

Average

£48,350

High

£77,360

8-12 weeks

Double Storey Extension

Low

£48,350

Average

£82,195

High

£135,380

12-20 weeks

Loft Conversion

Low

£24,175

Average

£43,515

High

£72,525

6-10 weeks

Garage Conversion

Low

£7,735

Average

£14,505

High

£24,175

2-4 weeks

Porch Build

Low

£2,420

Average

£4,350

High

£7,735

1-2 weeks

Garden Wall

Low

£775

Average

£1,450

High

£2,900

2-4 days

Knock Through Internal Wall

Low

£965

Average

£1,740

High

£3,385

2-4 days

Chimney Breast Removal

Low

£1,160

Average

£1,935

High

£3,385

2-4 days

Underpinning

Low

£4,835

Average

£11,605

High

£24,175

2-4 weeks

Damp Proof Course

Low

£485

Average

£1,160

High

£2,420

1-3 days

New Build Garage

Low

£9,670

Average

£17,405

High

£29,010

3-5 weeks

Outbuilding or Garden Room

Low

£11,605

Average

£24,175

High

£48,350

3-6 weeks

Structural Steelwork (RSJ Installation)

Low

£965

Average

£1,740

High

£2,900

1-2 days

Patio or Decking Build

Low

£1,450

Average

£3,385

High

£6,770

3-5 days

Ad Slot -- In-Content 2

Regional comparison

How Bournemouth Compares

Average cost of single storey extension across regions.

Bournemouth
-3% £48,350
National Average
baseline £50,000
London
+24% £62,150

Local insights

What Affects Builder Costs in Bournemouth?

The South West has a mix of housing styles, from Victorian and Edwardian semis to 1930s suburban developments and modern estates. In and around Bournemouth, 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 Bournemouth are typically 3% 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 Bournemouth 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 £48,350 to £135,380 for double storey extension in Bournemouth. Coastal properties in the South West may face additional considerations that affect pricing.

When getting quotes in Bournemouth, 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.

Ad Slot -- In-Content 3

More services

Other Services in Bournemouth

Explore costs for other services in the Bournemouth area.

40 services — scroll to explore

Common questions

Frequently Asked Questions

Common questions about builder costs in Bournemouth.

How much does a builder cost in Bournemouth in 2026?
Single Storey Extension in Bournemouth typically costs between £29,010 and £77,360, with the average being around £48,350. Prices vary depending on the scope of work, materials used, and the specific requirements of your property.
Are builder prices cheaper in Bournemouth than London?
Yes. Bournemouth builder costs are typically 3% below the national average, while London prices run around 24% above it. For single storey extension, you could save over £13,800 compared to the same job in London.
How do I find a good builder in Bournemouth?
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 Bournemouth?
The main factors are the scope and complexity of what you need, the options and products chosen, and local market rates. Bournemouth rates are 3% below the national average. Getting multiple quotes is the best way to ensure a fair price.
Do builder prices include materials in Bournemouth?
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.