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SET Building & Brickwork 07792 625391
Garden building at night with lights set into the soffits
SET Building & Brickwork

Garage Conversions in Chelmsford

Making use of space you already have, whether that is a garage, a cellar, an outbuilding or a separate annexe.

Tell us about your project Call 07792 625391

We convert garages in Chelmsford and across Essex into rooms you will use, and take on cellar, outbuilding and annexe conversions too.

Working with you

The room you have been missing

We work with you on how the new room will be used, then sort the floor, insulation, damp proofing and the new front wall to suit. With over 15 years in the trade, we tell you what building control will want before you start.

  • Layout agreed before we start
  • Building control inspections booked
  • A written quote after a site visit

Conversion work we take on

  • Garage conversions into bedrooms, offices, playrooms and gyms
  • Part garage conversions, keeping some storage
  • Bricking up the garage door opening to match the house
  • Insulated floors, walls and ceilings
  • New windows and doors
  • Plumbing, electrics, plastering and decoration
  • Cellar and basement conversions
  • Barn and outbuilding conversions
  • Annexes for parents or grown-up children
  • Building control inspections through to sign off

Turning a garage into a room

Converting a garage turns existing floor area into usable living space. The main work is in the floor level, insulation, damp proofing and forming a new front elevation where the door was.

Some clients convert the full garage and others keep part of it for storage. Both are possible.

Rendered single storey building with grey windows Garden building lit up at night

Basement and cellar conversions

Where a property has an existing cellar, converting it can add useful space. Waterproofing is the critical element, along with head height, access and light.

Digging out to create a new basement is a much larger structural undertaking and needs specialist design.

Speak to us about your project today or call 07792 625391

Barn and outbuilding conversions

Barns and outbuildings can make characterful homes but need careful assessment. The condition of the existing structure, and what the planning position allows, both shape what is realistic.

Annexes for parents or grown-up children

An annexe can be attached to the house or built separately in the garden. Either way it needs to work as self-contained accommodation, with its own services and appropriate planning consent.

Speak to us about your project today or call 07792 625391

Other work we take on

Timber roof trusses going up

New Build Homes

One-off homes and small developments, built from the ground up by a team that handles every stage of the construction.

Blockwork extension with sliding doors under a blue sky

House Extensions

Extensions designed around how you use the space, built by a team that handles the whole job from start to finish.

Questions about garage conversions

Do garage conversions need planning permission?

Many fall under permitted development, though it depends on the property and whether the external appearance changes. We will explain the likely position for your house.

Can you convert a cellar we already have?

That comes down to three things: head height, access and waterproofing. We look at the cellar and tell you what the job involves.

Can an annexe be used as separate accommodation?

That depends on the planning consent and the design. Settle it first, because it shapes the whole job.

Our work

Recent projects

Clips and photos from our own jobs across Essex and east London. See all our work.

Black weatherboarded bungalow with clay tiles, an oak framed porch and a block paved driveway
Black weatherboarded bungalow with an oak porch Essex
Open plan kitchen diner with a vaulted ceiling, a glazed gable and doors onto the patio
Open plan kitchen diner with a vaulted ceiling Essex
Blockwork, steels and new joists going up Essex
White rendered detached house with clay tiles, black sash windows and an oak framed porch
Rendered house with an oak framed porch Essex
Double vanity on a rustic timber washstand, with arched mirrors and a walk-in shower behind
Double vanity and walk-in shower Essex
Back of a white rendered house with bi-fold doors opening onto a new lawn
Bi-fold doors onto the garden Essex
Oak shaker kitchen with a hob island, marble-effect worktops and brass pendant lights
Oak shaker kitchen with a hob island Essex
Walk-in shower with twin rain heads, a lit niche and a pebble floor
Walk-in shower with twin rain heads Essex
Open plan kitchen diner with a dark island, glass pendant lights and a roof lantern
Open plan kitchen diner with a roof lantern Essex
Palm print feature wallpaper above white wall panelling, with a toilet and bath
Feature wallpaper and wall panelling Essex
Rendered detached house lit up at night behind a rendered front wall
Rendered house lit up at night Essex
Black sliding doors across a rendered back wall at dusk
Sliding doors at dusk Essex
Dark oak kitchen with a curved ripple island
Dark oak kitchen with curved island Essex

More clips on our Instagram

Where we work

Garage Conversions outside Chelmsford

We also work in these towns. Pick one for its local planning details.

Brentwood, Billericay, Upminster, Leigh-on-Sea, Southend-on-Sea, Rayleigh, and 12 villages around them.

Next step

Talk to us about garage conversions

Tell us about the property and what you are looking to do, and we will arrange a visit.

Tell us about your project Call 07792 625391
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