South East regional pricing

How Much Does a Builder Cost in Runnymede?

Updated prices for . Runnymede prices are typically 33% above the national average.

14 services priced
South East region
Updated

Price summary

Runnymede Price Summary

Service Low Average High
Single Storey Extension £39,930 £66,550 £106,480
Double Storey Extension £66,550 £113,135 £186,340
Loft Conversion £33,275 £59,895 £99,825

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

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Full pricing

All Builder Prices in Runnymede

Every price adjusted for Runnymede using a 1.331x cost multiplier, rounded to the nearest £5.

Single Storey Extension

Low

£39,930

Average

£66,550

High

£106,480

8-12 weeks

Double Storey Extension

Low

£66,550

Average

£113,135

High

£186,340

12-20 weeks

Loft Conversion

Low

£33,275

Average

£59,895

High

£99,825

6-10 weeks

Garage Conversion

Low

£10,650

Average

£19,965

High

£33,275

2-4 weeks

Porch Build

Low

£3,330

Average

£5,990

High

£10,650

1-2 weeks

Garden Wall

Low

£1,065

Average

£1,995

High

£3,995

2-4 days

Knock Through Internal Wall

Low

£1,330

Average

£2,395

High

£4,660

2-4 days

Chimney Breast Removal

Low

£1,595

Average

£2,660

High

£4,660

2-4 days

Underpinning

Low

£6,655

Average

£15,970

High

£33,275

2-4 weeks

Damp Proof Course

Low

£665

Average

£1,595

High

£3,330

1-3 days

New Build Garage

Low

£13,310

Average

£23,960

High

£39,930

3-5 weeks

Outbuilding or Garden Room

Low

£15,970

Average

£33,275

High

£66,550

3-6 weeks

Structural Steelwork (RSJ Installation)

Low

£1,330

Average

£2,395

High

£3,995

1-2 days

Patio or Decking Build

Low

£1,995

Average

£4,660

High

£9,315

3-5 days

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Regional comparison

How Runnymede Compares

Average cost of single storey extension across regions.

Runnymede
+33% £66,550
National Average
baseline £50,000
London
+24% £62,150

Local insights

What Affects Builder Costs in Runnymede?

The South East has a mix of housing styles, from Victorian and Edwardian semis to 1930s suburban developments and modern estates. In and around Runnymede, 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 Runnymede are typically 33% 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 Runnymede 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 £66,550 to £186,340 for double storey extension in Runnymede. Coastal properties in the South East may face additional considerations that affect pricing.

When getting quotes in Runnymede, 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 Runnymede

Explore costs for other services in the Runnymede area.

40 services — scroll to explore

Common questions

Frequently Asked Questions

Common questions about builder costs in Runnymede.

How much does a builder cost in Runnymede in 2026?
Single Storey Extension in Runnymede typically costs between £39,930 and £106,480, with the average being around £66,550. Prices vary depending on the scope of work, materials used, and the specific requirements of your property.
Are builder prices cheaper in Runnymede than London?
Runnymede prices are 33% above the national average, though still comparable to London for single storey extension.
How do I find a good builder in Runnymede?
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 Runnymede?
The main factors are the scope and complexity of what you need, the options and products chosen, and local market rates. Runnymede rates are 33% above the national average. Getting multiple quotes is the best way to ensure a fair price.
Do builder prices include materials in Runnymede?
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.