Services

Everything from a steel beam to a whole new build.

We specialise in house extensions and loft conversions, but our team tackles a wide range of construction across Bristol — domestic and light commercial, new and listed.

07973 426543
Scaffolding and a spirit level against a Bristol stone wall being extended by RSJ Construction

01

House Extensions

Single and double-storey extensions across Bristol — from rear kitchen extensions in Clifton to wrap-arounds in Fishponds. Structural work, glazing and finishes handled by one team.

  • Kitchen & rear extensions
  • Side return and wrap-around
  • Building control sign-off
Get a quote for house extensions
Large white three-storey Bristol house with red tiled roof after a loft conversion

02

Loft Conversions

Rooflight, dormer and hip-to-gable conversions that turn unused loft space into a bedroom, office or en-suite — including listed buildings, flats and mid-terrace homes.

  • Dormer & hip-to-gable
  • Fire and regs compliant
  • Adds usable floor space
Get a quote for loft conversions
Newly built white house extension with large glass doors opening onto a stone patio

03

Renovations & Refurbishments

Full property refurbishments for homeowners, landlords and commercial spaces — pubs, cafés, B&Bs, HMOs and flats, including protected and listed properties.

  • Whole-house renovation
  • HMO & landlord works
  • Listed building experience
Get a quote for renovations & refurbishments
Large grey-framed glass doors set into a white brick wall following structural alterations

04

Structural Alterations

Steel beams, knock-throughs and load-bearing changes done properly, with calculations, propping and making good — the RSJ work our name is built on.

  • RSJ steel installation
  • Knock-throughs & openings
  • Engineer-backed calcs
Get a quote for structural alterations
Cosy converted room with brick feature wall, armchair and stairs leading upward

05

Basement & Garage Conversions

Reclaim the space you already own. Tanking, insulation, lighting and layout designed so a cellar or garage feels like part of the house, not an afterthought.

  • Damp-proofing & tanking
  • Garage to living space
  • Natural light solutions
Get a quote for basement & garage conversions
Modern stone and white new build with large glass sliding doors facing a lawn

06

New Build Construction

Ground-up residential and light commercial builds delivered by a directly employed team — no subcontractor chains, one point of contact from foundations to final plaster.

  • Residential & light commercial
  • Directly employed trades
  • Fixed, honest programme
Get a quote for new build construction

Where we work

Based in Fishponds and working right across Bristol and the surrounding towns.

  • Builders in Bristol
  • Builders in Fishponds
  • Builders in Clifton
  • Builders in Bath
  • Builders in Filton
  • Builders in Keynsham
  • Builders in Chew Magna
  • Builders in Downend
  • Builders in Bedminster
  • Builders in Redland

Free, no-pressure quote

Get a fixed price for your Bristol build.

Tell us what you're planning. We'll visit the site, talk through what's practical and what it costs — no sales pitch, no obligation.