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Garage Conversions in GU21 (191)

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  • METAA CONSTRUCTION LTD Logo

    METAA CONSTRUCTION LTD

    10.00

    (10 reviews)

    Operates in GU21

    Services & skills
    Builder
    Garage Conversions
    New Builds
    Extensions / Conversions
    Sustainable Construction
    Call
  • Concept Logo

    Concept

    9.87

    (115 reviews)

    Operates in GU21

    Services & skills
    Builder
    Garage Conversions
    Green Oak Framing
    Foundations
    Structural Design
    Call
  • BA Home Improvement Services Logo

    BA Home Improvement Services

    10.00

    (52 reviews)

    Operates in GU21

    Services & skills
    Builder
    Garage Conversions
    Emergency Builder Service
    Foundations
    Demolition
    Call
  • Ni Building Services Ltd Logo

    Ni Building Services Ltd

    9.76

    (65 reviews)

    Operates in GU21

    Services & skills
    Builder
    Garage Conversions
    Extensions / Conversions
    Refurbishments
    Loft Conversions
    Call
  • Pratten Projects Ltd Logo

    Pratten Projects Ltd

    10.00

    (7 reviews)

    Operates in GU21

    Services & skills
    Builder
    Garage Conversions
    Partition Walls
    Demolition
    General Building
    Call
  • MILCON LIMITED Logo

    MILCON LIMITED

    10.00

    (9 reviews)

    Operates in GU21

    Services & skills
    Builder
    Garage Conversions
    Concreting
    Concrete Garages
    Loft Conversions
    Call
  • The Builders NT Ltd Logo

    The Builders NT Ltd

    9.75

    (13 reviews)

    Operates in GU21

    Services & skills
    Builder
    Garage Conversions
    Partition Walls
    Concreting
    Agricultural Building
    Call
  • Carswells construction /Plumbing Logo

    Carswells construction /Plumbing

    9.92

    (74 reviews)

    Operates in GU21

    Services & skills
    Builder
    Garage Conversions
    Partition Walls
    Car Ports
    Agricultural Building
    Call
  • RPM Guildford Ltd Logo

    RPM Guildford Ltd

    10.00

    (49 reviews)

    Operates in GU21

    Services & skills
    Builder
    Garage Conversions
    Basement / Cellar Conversions
    Tree Houses
    Structural Steels
    Call
  • Lion and Leinster Property and Building Services Logo

    Lion and Leinster Property and Building Services

    10.00

    (32 reviews)

    Operates in GU21

    Services & skills
    Builder
    Garage Conversions
    Refurbishments
    Extensions / Conversions
    Garden Studios
    Call
  • ALLIANCE ROOFING LONDON Logo

    ALLIANCE ROOFING LONDON

    9.96

    (96 reviews)

    Operates in GU21

    Services & skills
    Builder
    Garage Conversions
    Concreting
    General Building
    Cladding
    Call
  • SBM Surrey Building Maintenance LTD Electrical Logo

    SBM Surrey Building Maintenance LTD Electrical

    10.00

    (106 reviews)

    Operates in GU21

    Services & skills
    Builder
    Garage Conversions
    Agricultural Building
    Emergency Builder Service
    Concreting
    Call

Find rated garage conversion companies in GU21

Thinking about a garage conversion in GU21? Whether you need more room for work, play, or peace and quiet, converting your garage is a smart way to get extra space without the stress (or cost) of moving. From a snug home office, more living space, or a playroom the kids can take over. Whatever you’ve got in mind, Checkatrade can help you make it happen.

Garage conversions in GU21

Contact garage conversion builders in GU21 who've been rated and reviewed by customers just like you. At Checkatrade, we make sure our tradespeople are up to date with accreditations relevant to their trade category, to help you hire with confidence.

Start your search today

What to expect from hiring a garage conversion contractor in GU21

Popular jobs in GU21 include:

  • Single and double garage conversions
  • Detached garage conversions
  • Converting to bedrooms
  • Garage office conversion
  • Garage gym conversion
  • Kitchen conversions
  • Studio conversions

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Average cost of a garage conversion in GU21

Garage conversions:

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Garage flooring:

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Garage doors:

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Extra costs to consider:

Planning permission (if required), architect or structural engineer fees, drainage or heating upgrades.

Need help calculating costs? Use our Job Value Estimator tool for a bespoke cost estimate.

What’s included in a quote?

Most quotes cover insulation, windows and doors, electrics, plumbing (if needed), flooring, plastering and internal walls.

How long it takes

Most garage conversions in GU21 take 3 to 6 weeks depending on size, complexity, and what you’re converting it into.

Small garage conversions or single garage conversions will typically take less time than a double garage conversion or kitchen extension.

What to check for before hiring

  • Always look for builders with experience in converting garages and Public Liability Insurance.
  • Read reviews from customers in your area of GU21 for extra peace of mind.
  • If you’re unsure where to start, ask your builder to break down the steps. A good one will guide you from sketch to sign off.

Garage conversions in GU21: Homeowners vs renters

For homeowners:

You’re responsible for applying for any necessary planning permission or building regs sign off. Most garage conversions fall under permitted development, but it’s always worth checking with your local authority.

For renters:

The rules are different. You’ll need written permission from your landlord before making any structural changes. In some cases, they may manage the job themselves. Either way, get it in writing.

Find a garage conversion builder in GU21 for the job you need

Checked tradespeople on Checkatrade can help with:

  • Full garage conversions (Single, double, or detached)
  • Garage to office conversions
  • Garage kitchen conversions
  • Home gym builds
  • Soundproofed studio conversions
  • Insulation, electrics and plumbing
  • Garage refurbishment or structural work
  • Garage extension or replacement

Use our search tool to get started or post a job directly and let our tradespeople come to you.


Looking for more tradespeople in GU21?

Find Checkatrade reviewed Tradespeople, get a quote today, discover related services in GU21 and check out our latest home improvement guides.