South East regional pricing

How Much Does a Builder Cost in Eastleigh?

Updated prices for . Eastleigh prices are typically 10% above the national average.

14 services priced
South East region
Updated

Price summary

Eastleigh Price Summary

Service Low Average High
Single Storey Extension £32,910 £54,850 £87,760
Double Storey Extension £54,850 £93,245 £153,580
Loft Conversion £27,425 £49,365 £82,275

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

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Full pricing

All Builder Prices in Eastleigh

Every price adjusted for Eastleigh using a 1.097x cost multiplier, rounded to the nearest £5.

Single Storey Extension

Low

£32,910

Average

£54,850

High

£87,760

8-12 weeks

Double Storey Extension

Low

£54,850

Average

£93,245

High

£153,580

12-20 weeks

Loft Conversion

Low

£27,425

Average

£49,365

High

£82,275

6-10 weeks

Garage Conversion

Low

£8,775

Average

£16,455

High

£27,425

2-4 weeks

Porch Build

Low

£2,745

Average

£4,935

High

£8,775

1-2 weeks

Garden Wall

Low

£880

Average

£1,645

High

£3,290

2-4 days

Knock Through Internal Wall

Low

£1,095

Average

£1,975

High

£3,840

2-4 days

Chimney Breast Removal

Low

£1,315

Average

£2,195

High

£3,840

2-4 days

Underpinning

Low

£5,485

Average

£13,165

High

£27,425

2-4 weeks

Damp Proof Course

Low

£550

Average

£1,315

High

£2,745

1-3 days

New Build Garage

Low

£10,970

Average

£19,745

High

£32,910

3-5 weeks

Outbuilding or Garden Room

Low

£13,165

Average

£27,425

High

£54,850

3-6 weeks

Structural Steelwork (RSJ Installation)

Low

£1,095

Average

£1,975

High

£3,290

1-2 days

Patio or Decking Build

Low

£1,645

Average

£3,840

High

£7,680

3-5 days

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Regional comparison

How Eastleigh Compares

Average cost of single storey extension across regions.

Eastleigh
+10% £54,850
National Average
baseline £50,000
London
+24% £62,150

Local insights

What Affects Builder Costs in Eastleigh?

The South East has a mix of housing styles, from Victorian and Edwardian semis to 1930s suburban developments and modern estates. In and around Eastleigh, 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 Eastleigh are typically 10% 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 Eastleigh 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 £54,850 to £153,580 for double storey extension in Eastleigh. Coastal properties in the South East may face additional considerations that affect pricing.

When getting quotes in Eastleigh, 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 Eastleigh

Explore costs for other services in the Eastleigh area.

40 services — scroll to explore

Common questions

Frequently Asked Questions

Common questions about builder costs in Eastleigh.

How much does a builder cost in Eastleigh in 2026?
Single Storey Extension in Eastleigh typically costs between £32,910 and £87,760, with the average being around £54,850. Prices vary depending on the scope of work, materials used, and the specific requirements of your property.
Are builder prices cheaper in Eastleigh than London?
Eastleigh prices are 10% above the national average, though still £7,300 cheaper than London for single storey extension.
How do I find a good builder in Eastleigh?
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 Eastleigh?
The main factors are the scope and complexity of what you need, the options and products chosen, and local market rates. Eastleigh rates are 10% above the national average. Getting multiple quotes is the best way to ensure a fair price.
Do builder prices include materials in Eastleigh?
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.