Yorkshire and the Humber regional pricing

How Much Does a Builder Cost in Doncaster?

Updated prices for . Doncaster prices are typically 12% below the national average.

14 services priced
Yorkshire and the Humber region
Updated

Price summary

Doncaster Price Summary

Service Low Average High
Single Storey Extension £26,430 £44,050 £70,480
Double Storey Extension £44,050 £74,885 £123,340
Loft Conversion £22,025 £39,645 £66,075

Prices include labour and materials. VAT may apply. Based on Yorkshire and the Humber regional pricing.

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Full pricing

All Builder Prices in Doncaster

Every price adjusted for Doncaster using a 0.881x cost multiplier, rounded to the nearest £5.

Single Storey Extension

Low

£26,430

Average

£44,050

High

£70,480

8-12 weeks

Double Storey Extension

Low

£44,050

Average

£74,885

High

£123,340

12-20 weeks

Loft Conversion

Low

£22,025

Average

£39,645

High

£66,075

6-10 weeks

Garage Conversion

Low

£7,050

Average

£13,215

High

£22,025

2-4 weeks

Porch Build

Low

£2,205

Average

£3,965

High

£7,050

1-2 weeks

Garden Wall

Low

£705

Average

£1,320

High

£2,645

2-4 days

Knock Through Internal Wall

Low

£880

Average

£1,585

High

£3,085

2-4 days

Chimney Breast Removal

Low

£1,055

Average

£1,760

High

£3,085

2-4 days

Underpinning

Low

£4,405

Average

£10,570

High

£22,025

2-4 weeks

Damp Proof Course

Low

£440

Average

£1,055

High

£2,205

1-3 days

New Build Garage

Low

£8,810

Average

£15,860

High

£26,430

3-5 weeks

Outbuilding or Garden Room

Low

£10,570

Average

£22,025

High

£44,050

3-6 weeks

Structural Steelwork (RSJ Installation)

Low

£880

Average

£1,585

High

£2,645

1-2 days

Patio or Decking Build

Low

£1,320

Average

£3,085

High

£6,165

3-5 days

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Regional comparison

How Doncaster Compares

Average cost of single storey extension across regions.

Doncaster
-12% £44,050
National Average
baseline £50,000
London
+24% £62,150

Local insights

What Affects Builder Costs in Doncaster?

Doncaster's housing stock is dominated by Victorian and Edwardian terraced houses, with large numbers of properties across the wider metropolitan area and surrounding towns. These older homes often present challenges for builder work, including limited access, older infrastructure and the need for more preparation. Properties that haven't been updated in decades tend to push costs toward the higher end of the ranges shown above.

The Yorkshire and the Humber consistently sits below the national average for trade costs, and Doncaster is no exception. Labour rates here are around 12% below the UK average and considerably lower than London or the South East. This reflects both the lower cost of living and a healthy supply of qualified builder professionals across the region. That said, prices can still vary by 30-50% between different tradespeople for the same job, making multiple quotes essential.

Several factors affect builder costs in Doncaster. Back-to-back terraces may have limited access that makes work more complicated and expensive. Properties with solid walls rather than cavities can add to the difficulty. For larger projects, expect costs at the higher end — a double storey extension in Doncaster typically runs £44,050 to £123,340. Material and product choices also make a significant difference to the total.

When getting quotes in Doncaster, aim for a minimum of 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 conditions, identify potential complications, and provide a clear cost breakdown. Be wary of quotes that seem significantly cheaper than others — they may be cutting corners on materials or quality. Always check qualifications, insurance and recent reviews before hiring.

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More services

Other Services in Doncaster

Explore costs for other services in the Doncaster area.

40 services — scroll to explore

Common questions

Frequently Asked Questions

Common questions about builder costs in Doncaster.

How much does a builder cost in Doncaster in 2026?
Single Storey Extension in Doncaster typically costs between £26,430 and £70,480, with the average being around £44,050. Prices vary depending on the scope of work, materials used, and the specific requirements of your property.
Are builder prices cheaper in Doncaster than London?
Yes. Doncaster builder costs are typically 12% below the national average, while London prices run around 24% above it. For single storey extension, you could save over £18,100 compared to the same job in London.
How do I find a good builder in Doncaster?
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 Doncaster?
The main factors are the scope and complexity of what you need, the options and products chosen, and local market rates. Doncaster rates are 12% below the national average. Getting multiple quotes is the best way to ensure a fair price.
Do builder prices include materials in Doncaster?
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.