345 Building


12 Raglan Place, Thornbury, Bristol, BS35 2BT Directions

   Now closed Open Monday 08:00 - 17:00

Why Choose Us?

Years of Experience
First Class Service
Extensive Knowledge

Business overview

Reliable and dependable building contractors in Thornbury

If you're looking for a reputable building company in the Thornbury area, look no further than 345 Building Contractors. We have a team of fully qualified building contractors and can provide all types of building services at competitive prices. Contact our team for a free, no-obligation quote today! We specialise in new builds and provide a wide variety of property improvement and building maintenance services in and around Thornbury. Whether you need renovation work or damp treatments, we'll provide high standards of workmanship. No job is too big or too small for us. You'll get neat and tidy work with close attention to detail every time you choose us.

Why choose us?

• Experience in both modern and traditional building techniques

• All aspects of building work covered

• Free site reviews

• Guarantee on all our work

• Professional and punctual service

• Fully insured

Products & Services

New builds

Building renovation

Building repairs

Home extensions


Electrical installation

Bathroom and kitchen fitting



Roofing and roof repairs

Masonry services

Framing and window replacement

Home improvements

Loft conversion

Garage conversion

Flooring work

Damp proofing

Wall rendering

Building refurbishments

Building maintenance & repairs

Building conversions

Building services engineering

Building renovations

Project management


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