South East regional pricing

How Much Does a Builder Cost in Gosport?

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

14 services priced
South East region
Updated

Price summary

Gosport Price Summary

Service Low Average High
Single Storey Extension £29,280 £48,800 £78,080
Double Storey Extension £48,800 £82,960 £136,640
Loft Conversion £24,400 £43,920 £73,200

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

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Full pricing

All Builder Prices in Gosport

Every price adjusted for Gosport using a 0.976x cost multiplier, rounded to the nearest £5.

Single Storey Extension

Low

£29,280

Average

£48,800

High

£78,080

8-12 weeks

Double Storey Extension

Low

£48,800

Average

£82,960

High

£136,640

12-20 weeks

Loft Conversion

Low

£24,400

Average

£43,920

High

£73,200

6-10 weeks

Garage Conversion

Low

£7,810

Average

£14,640

High

£24,400

2-4 weeks

Porch Build

Low

£2,440

Average

£4,390

High

£7,810

1-2 weeks

Garden Wall

Low

£780

Average

£1,465

High

£2,930

2-4 days

Knock Through Internal Wall

Low

£975

Average

£1,755

High

£3,415

2-4 days

Chimney Breast Removal

Low

£1,170

Average

£1,950

High

£3,415

2-4 days

Underpinning

Low

£4,880

Average

£11,710

High

£24,400

2-4 weeks

Damp Proof Course

Low

£490

Average

£1,170

High

£2,440

1-3 days

New Build Garage

Low

£9,760

Average

£17,570

High

£29,280

3-5 weeks

Outbuilding or Garden Room

Low

£11,710

Average

£24,400

High

£48,800

3-6 weeks

Structural Steelwork (RSJ Installation)

Low

£975

Average

£1,755

High

£2,930

1-2 days

Patio or Decking Build

Low

£1,465

Average

£3,415

High

£6,830

3-5 days

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Regional comparison

How Gosport Compares

Average cost of single storey extension across regions.

Gosport
-2% £48,800
National Average
baseline £50,000
London
+24% £62,150

Local insights

What Affects Builder Costs in Gosport?

The South East has a mix of housing styles, from Victorian and Edwardian semis to 1930s suburban developments and modern estates. In and around Gosport, 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 East sits above the national average for trade costs, influenced by proximity to London and the generally higher cost of living. Labour rates in Gosport 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 Gosport 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 £48,800 to £136,640 for double storey extension in Gosport. Coastal properties in the South East may face additional considerations that affect pricing.

When getting quotes in Gosport, 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 Gosport

Explore costs for other services in the Gosport area.

40 services — scroll to explore

Common questions

Frequently Asked Questions

Common questions about builder costs in Gosport.

How much does a builder cost in Gosport in 2026?
Single Storey Extension in Gosport typically costs between £29,280 and £78,080, with the average being around £48,800. Prices vary depending on the scope of work, materials used, and the specific requirements of your property.
Are builder prices cheaper in Gosport than London?
Yes. Gosport 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 £13,350 compared to the same job in London.
How do I find a good builder in Gosport?
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 Gosport?
The main factors are the scope and complexity of what you need, the options and products chosen, and local market rates. Gosport 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 Gosport?
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.