South East regional pricing

How Much Does a Builder Cost in Tonbridge and Malling?

Updated prices for . Tonbridge and Malling prices are typically 13% above the national average.

14 services priced
South East region
Updated

Price summary

Tonbridge and Malling Price Summary

Service Low Average High
Single Storey Extension £34,020 £56,700 £90,720
Double Storey Extension £56,700 £96,390 £158,760
Loft Conversion £28,350 £51,030 £85,050

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

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Full pricing

All Builder Prices in Tonbridge and Malling

Every price adjusted for Tonbridge and Malling using a 1.134x cost multiplier, rounded to the nearest £5.

Single Storey Extension

Low

£34,020

Average

£56,700

High

£90,720

8-12 weeks

Double Storey Extension

Low

£56,700

Average

£96,390

High

£158,760

12-20 weeks

Loft Conversion

Low

£28,350

Average

£51,030

High

£85,050

6-10 weeks

Garage Conversion

Low

£9,070

Average

£17,010

High

£28,350

2-4 weeks

Porch Build

Low

£2,835

Average

£5,105

High

£9,070

1-2 weeks

Garden Wall

Low

£905

Average

£1,700

High

£3,400

2-4 days

Knock Through Internal Wall

Low

£1,135

Average

£2,040

High

£3,970

2-4 days

Chimney Breast Removal

Low

£1,360

Average

£2,270

High

£3,970

2-4 days

Underpinning

Low

£5,670

Average

£13,610

High

£28,350

2-4 weeks

Damp Proof Course

Low

£565

Average

£1,360

High

£2,835

1-3 days

New Build Garage

Low

£11,340

Average

£20,410

High

£34,020

3-5 weeks

Outbuilding or Garden Room

Low

£13,610

Average

£28,350

High

£56,700

3-6 weeks

Structural Steelwork (RSJ Installation)

Low

£1,135

Average

£2,040

High

£3,400

1-2 days

Patio or Decking Build

Low

£1,700

Average

£3,970

High

£7,940

3-5 days

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Regional comparison

How Tonbridge and Malling Compares

Average cost of single storey extension across regions.

Tonbridge and Malling
+13% £56,700
National Average
baseline £50,000
London
+24% £62,150

Local insights

What Affects Builder Costs in Tonbridge and Malling?

The South East has a mix of housing styles, from Victorian and Edwardian semis to 1930s suburban developments and modern estates. In and around Tonbridge and Malling, 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 Tonbridge and Malling are typically 13% 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 Tonbridge and Malling 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 £56,700 to £158,760 for double storey extension in Tonbridge and Malling. Coastal properties in the South East may face additional considerations that affect pricing.

When getting quotes in Tonbridge and Malling, 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 Tonbridge and Malling

Explore costs for other services in the Tonbridge and Malling area.

40 services — scroll to explore

Plumber in Tonbridge and Malling Electrician in Tonbridge and Malling Boiler & Gas Engineer in Tonbridge and Malling Roofer in Tonbridge and Malling Locksmith in Tonbridge and Malling Painter & Decorator in Tonbridge and Malling Kitchen Fitter in Tonbridge and Malling Bathroom Fitter in Tonbridge and Malling Carpenter in Tonbridge and Malling Landscaper in Tonbridge and Malling Plasterer in Tonbridge and Malling Tiler in Tonbridge and Malling Flooring Specialist in Tonbridge and Malling Pest Control in Tonbridge and Malling Tree Surgeon in Tonbridge and Malling Drain Specialist in Tonbridge and Malling Damp Proofer in Tonbridge and Malling Fence Builder in Tonbridge and Malling Paving & Driveway Specialist in Tonbridge and Malling Removal Company in Tonbridge and Malling Skip Hire in Tonbridge and Malling Scaffolder in Tonbridge and Malling Chimney Sweep in Tonbridge and Malling Gutter Specialist in Tonbridge and Malling Window Cleaner in Tonbridge and Malling Aerial & Satellite Installer in Tonbridge and Malling CCTV Installer in Tonbridge and Malling Alarm Installer in Tonbridge and Malling Demolition Contractor in Tonbridge and Malling Car Mechanic in Tonbridge and Malling Car Body Repair in Tonbridge and Malling Dentist in Tonbridge and Malling Cosmetic Dentist in Tonbridge and Malling Solicitor in Tonbridge and Malling Family Solicitor in Tonbridge and Malling Vet in Tonbridge and Malling Dog Groomer in Tonbridge and Malling Wedding Venue in Tonbridge and Malling Wedding Photographer in Tonbridge and Malling Wedding Caterer in Tonbridge and Malling All services in Tonbridge and Malling View city hub

Common questions

Frequently Asked Questions

Common questions about builder costs in Tonbridge and Malling.

How much does a builder cost in Tonbridge and Malling in 2026?
Single Storey Extension in Tonbridge and Malling typically costs between £34,020 and £90,720, with the average being around £56,700. Prices vary depending on the scope of work, materials used, and the specific requirements of your property.
Are builder prices cheaper in Tonbridge and Malling than London?
Tonbridge and Malling prices are 13% above the national average, though still £5,450 cheaper than London for single storey extension.
How do I find a good builder in Tonbridge and Malling?
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 Tonbridge and Malling?
The main factors are the scope and complexity of what you need, the options and products chosen, and local market rates. Tonbridge and Malling rates are 13% above the national average. Getting multiple quotes is the best way to ensure a fair price.
Do builder prices include materials in Tonbridge and Malling?
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.