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Builder in Harrow

Whether you need a builder for a quick fix or major project, Harrow's best professionals are on 7Hands. Our network of 23+ ID-checked builders in Harrow maintains a 4.7-star average from 132+ verified reviews, 7Hands is Harrow's most trusted on-demand builder platform. Book with confidence: 72-hour escrow protection and ID-verified professionals.

Average rates in Harrow

£42 - £72/hour

20% above national average · Updated 23 January 2026

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Builders in Harrow

23+

Verified builders

4.7★

Average rating

1 hour

Avg response time

132

Verified reviews

About Builder Services in Harrow

  • •Harrow has a population of 250,000, making it one of the UK's major urban areas.
  • •Common property types in Harrow include 1930s semis, Victorian, Modern flats.
  • •Harrow homeowners commonly face issues like 1930s maintenance and Extension demand, making reliable builder services essential.
  • •Harrow School
  • •Diverse community
  • •Builder rates in Harrow average £42-72/hour, 20% above national average.

Popular Builder Services in Harrow

House Extension

Single and double storey extensions

£24000 - £960008-16 weeks

Loft Conversion

Convert loft space to living area

£30000 - £720006-10 weeks

Garage Conversion

Convert garage to room

£9600 - £240002-4 weeks

Kitchen Renovation

Full kitchen remodelling

£6000 - £300002-4 weeks

Structural Work

Walls, beams, foundations

£2400 - £180001-4 weeks

New Build

Complete new construction

£120000 - £6000006-12 months

Top Builders in Harrow

A

Verified Builder 1

Harrow

★★★★★(50+ reviews)
ID VerifiedInsured
House ExtensionLoft Conversion
B

Verified Builder 2

Harrow

★★★★★(50+ reviews)
ID VerifiedInsured
House ExtensionLoft Conversion
C

Verified Builder 3

Harrow

★★★★★(50+ reviews)
ID VerifiedInsured
House ExtensionLoft Conversion
View All 23+ Builders in Harrow

Frequently Asked Questions

What are builder prices in Harrow?
Builder hourly rates in Harrow range from £42 to £72, 20% above national average. Most builders charge a callout fee of £0-0. Data from 132+ completed jobs on 7Hands.
What's the best way to find a builder in Harrow?
On 7Hands, every builder in Harrow is ID-verified, insured, and reviewed by real customers. Our 23+ verified builders have an average rating of 4.7/5 stars from 132+ reviews. You can compare quotes, check qualifications, and book instantly with 72-hour payment protection.
What can a builder in Harrow help with?
Builders in Harrow offer a full range of services including: House Extension, Loft Conversion, Garage Conversion, Kitchen Renovation, Structural Work, New Build. Due to Harrow's 1930s housing stock, builders here commonly deal with 1930s maintenance and Extension demand. Post your job on 7Hands to get quotes from specialists.
Are there any fees for homeowners using 7Hands?
7Hands is completely free for homeowners. Post jobs, get quotes, and book professionals with zero fees. Tradespeople pay a subscription, not you. Plus, every payment is protected for 72 hours.
How fast can a builder respond in Harrow?
Most builder requests in Harrow receive quotes within 2-3 hours. For emergencies, our 7+ available-now builders can respond in an average of 1 hour. Mark your job as urgent for priority matching with available tradespeople.

Builders Nearby

Services in Harrow

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Page last updated: 23 January 2026 · Prices updated regularly based on local market data