South East regional pricing

How Much Does a Builder Cost in Basingstoke and Deane?

Updated prices for . Basingstoke and Deane prices are typically 10% above the national average.

14 services priced
South East region
Updated

Price summary

Basingstoke and Deane Price Summary

Service Low Average High
Single Storey Extension £32,940 £54,900 £87,840
Double Storey Extension £54,900 £93,330 £153,720
Loft Conversion £27,450 £49,410 £82,350

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

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Full pricing

All Builder Prices in Basingstoke and Deane

Every price adjusted for Basingstoke and Deane using a 1.098x cost multiplier, rounded to the nearest £5.

Single Storey Extension

Low

£32,940

Average

£54,900

High

£87,840

8-12 weeks

Double Storey Extension

Low

£54,900

Average

£93,330

High

£153,720

12-20 weeks

Loft Conversion

Low

£27,450

Average

£49,410

High

£82,350

6-10 weeks

Garage Conversion

Low

£8,785

Average

£16,470

High

£27,450

2-4 weeks

Porch Build

Low

£2,745

Average

£4,940

High

£8,785

1-2 weeks

Garden Wall

Low

£880

Average

£1,645

High

£3,295

2-4 days

Knock Through Internal Wall

Low

£1,100

Average

£1,975

High

£3,845

2-4 days

Chimney Breast Removal

Low

£1,320

Average

£2,195

High

£3,845

2-4 days

Underpinning

Low

£5,490

Average

£13,175

High

£27,450

2-4 weeks

Damp Proof Course

Low

£550

Average

£1,320

High

£2,745

1-3 days

New Build Garage

Low

£10,980

Average

£19,765

High

£32,940

3-5 weeks

Outbuilding or Garden Room

Low

£13,175

Average

£27,450

High

£54,900

3-6 weeks

Structural Steelwork (RSJ Installation)

Low

£1,100

Average

£1,975

High

£3,295

1-2 days

Patio or Decking Build

Low

£1,645

Average

£3,845

High

£7,685

3-5 days

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Regional comparison

How Basingstoke and Deane Compares

Average cost of single storey extension across regions.

Basingstoke and Deane
+10% £54,900
National Average
baseline £50,000
London
+24% £62,150

Local insights

What Affects Builder Costs in Basingstoke and Deane?

The South East has a mix of housing styles, from Victorian and Edwardian semis to 1930s suburban developments and modern estates. In and around Basingstoke and Deane, 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 Basingstoke and Deane 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 Basingstoke and Deane 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 £54,900 to £153,720 for double storey extension in Basingstoke and Deane. Coastal properties in the South East may face additional considerations that affect pricing.

When getting quotes in Basingstoke and Deane, 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 Basingstoke and Deane

Explore costs for other services in the Basingstoke and Deane area.

40 services — scroll to explore

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Common questions

Frequently Asked Questions

Common questions about builder costs in Basingstoke and Deane.

How much does a builder cost in Basingstoke and Deane in 2026?
Single Storey Extension in Basingstoke and Deane typically costs between £32,940 and £87,840, with the average being around £54,900. Prices vary depending on the scope of work, materials used, and the specific requirements of your property.
Are builder prices cheaper in Basingstoke and Deane than London?
Basingstoke and Deane prices are 10% above the national average, though still £7,250 cheaper than London for single storey extension.
How do I find a good builder in Basingstoke and Deane?
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 Basingstoke and Deane?
The main factors are the scope and complexity of what you need, the options and products chosen, and local market rates. Basingstoke and Deane 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 Basingstoke and Deane?
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.