Extensions / Conversions in Broadwater (96)

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  • Sponsored
    Rockshore Building Group Ltd Logo

    Rockshore Building Group Ltd

    10.00

    (4 reviews)

    Operates in Broadwater

    Services & skills
    Builder
    Extensions / Conversions
    Emergency Builder Service
    Brick / Concrete Structural Repairs
    General Building
    Call
  • Sponsored
    BUILD AND CO GROUP LTD Logo

    BUILD AND CO GROUP LTD

    9.79

    (153 reviews)

    Operates in Broadwater

    Services & skills
    Builder
    Extensions / Conversions
    Garage Conversions
    Partition Walls
    New Builds
    Call
  • A S Brickwork Logo

    A S Brickwork

    (58 reviews)

    Operates in Broadwater

    Services & skills
    Builder
    Extensions / Conversions
    Brick / Concrete Structural Repairs
    Demolition
    Concreting
    Call
  • Sponsored
    Next Level Construction Sussex Ltd Logo

    Next Level Construction Sussex Ltd

    9.52

    (43 reviews)

    Operates in Broadwater

    Services & skills
    Builder
    Extensions / Conversions
    Basement / Cellar Conversions
    Fire and Flood Renovation
    Brick / Concrete Structural Repairs

    Latest verified customer review

    10.0

    We chose Next Level on a personal family recommendation and we’re not disappointed. All the Next Level personnel were cheerful, pleasant, superb at carrying out excellent work and hardworking. Although they were fitting our own design they were willing to offer changes for our consideration- all of which were of benefit to us. Overall very pleased with the outcome and would recommend this company.

    Call
  • Wallis Short And Son Logo

    Wallis Short And Son

    10.00

    (62 reviews)

    Operates in Broadwater

    Services & skills
    Builder
    Extensions / Conversions
    Garden Studios
    Structural Steels
    Agricultural Building
    Call
  • Moore Trades Logo

    Moore Trades

    9.89

    (88 reviews)

    Operates in Broadwater

    Services & skills
    Builder
    Extensions / Conversions
    Garden Studios
    Structural Steels
    General Building
    Call
  • Titan Construction Logo

    Titan Construction

    9.93

    (17 reviews)

    Operates in Broadwater

    Services & skills
    Builder
    Extensions / Conversions
    Garden Studios
    New Builds
    Loft Conversions
    Call
  • Apex Lofts & Construction Ltd Logo

    Apex Lofts & Construction Ltd

    9.33

    (64 reviews)

    Operates in Broadwater

    Services & skills
    Builder
    Extensions / Conversions
    New Builds
    Garden Studios
    Project Management
    Call
  • Croft Builders Ltd

    9.93

    (162 reviews)

    Operates in Broadwater

    Services & skills
    Builder
    Extensions / Conversions
    Brick / Concrete Structural Repairs
    Foundations
    Insurance Claim Specialist
    Call
  • MCO Building Contractors Ltd Logo

    MCO Building Contractors Ltd

    10.00

    (90 reviews)

    Operates in Broadwater

    Services & skills
    Builder
    Extensions / Conversions
    Partition Walls
    Insurance Claim Specialist
    General Building
    Call
  • South Coast Damp Proofing Logo

    South Coast Damp Proofing

    9.83

    (23 reviews)

    Operates in Broadwater

    Services & skills
    Builder
    Extensions / Conversions
    Concreting
    Cladding
    Garden Studios
    Call
  • HM Carpentry and Building Services Ltd

    10.00

    (66 reviews)

    Operates in Broadwater

    Services & skills
    Builder
    Extensions / Conversions
    Loft Conversions
    Garage Conversions
    Tree Houses
    Call

Top rated Extensions / Conversions in Broadwater

10

/10

80 ratings

Our Extensions / Conversions in Broadwater are rated an average of 10 out of 10 based on a sample of 80 reviews from customers like you*

*This review aggregate is based on real customer reviews from a randomly selected postcode in this area

Conversion and extension builders in Broadwater

Planning a loft conversion, garage makeover or full house extension in Broadwater? You’re in the right place. Whether you’re adding space for a growing family, upgrading your layout or increasing your home’s value, we can help you find the right tradesperson for the job.

Find extension and conversion builders in Broadwater

Every builder on Checkatrade passes up to 12 checks before they appear in your search. You can read verified reviews, compare services, and even post your job to get quotes straight to your inbox, all in a few clicks. That’s how we help homeowners like you get a job done right.

What to expect from hiring an extension or conversion builder in Broadwater

Our checked tradespeople in Broadwater cover a wide range of projects, including:

  • Single or double-storey house extensions

  • Kitchen and diner extensions

  • Loft, attic, garage or basement conversions

  • Garden room extensions

  • Utility room extensions

  • Over-garage extensions and side returns

Extension and conversion build costs in Broadwater

Costs of extensions and conversions vary depending on size, structure and spec, but here's a rough guide:

Extensions:

£36363 on average, with prices typically starting at £21034 up to £60872.

Loft conversions:

£37346 on average, with prices typically starting at £23540 up to £58094.

Garage conversions:

£11075 on average, with prices typically starting at £7322 up to £16880.

Conservatory roof conversions:

£7981 on average, with prices typically starting at £5308 up to £11927.

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

What to check before you hire:

  • Are drawings or planning permissions needed?
  • Are they familiar with building regs?
  • Is the quote fixed or flexible?
  • Does it cover materials and project management?

Most builders will include prep, construction, electrics, plumbing and final finishes in their quote, but always double-check. Timelines range from a few weeks for simple jobs to several months for bigger builds.

Extension and conversion builders in Broadwater: Homeowners vs renters

Homeowners:

You’re in charge of the project. That means hiring the builder, securing permissions, and paying for the work. You may need:

  • Planning permission (especially for double-storey builds or changes near boundaries)

  • Drawings from an architect or structural engineer

  • Building regs approval

If you’re not sure where to start, speak to a local builder or post your job to get help with the process.

Renters:

You’ll usually need your landlord’s approval to make any big changes. In most cases, your landlord will be the one arranging and paying for structural changes like loft conversions or extensions. That said, it’s worth flagging ideas if you think they’ll improve the property, especially if it means longer tenancies or fewer repairs.

Emergency extension or conversion help in Broadwater

Extensions and conversions are big projects, but sometimes, things go wrong and need sorting fast. Common urgent issues include:

  • Leaks in newly converted lofts

  • Structural cracks or shifting

  • Faulty electrics or plumbing in newly added rooms

  • Incomplete work by previous builders

Facing an emergency in Broadwater? Enter your postcode or post a job to find emergency services in your area.

Find the right extension or conversion specialist in Broadwater

Looking for a builder to help with:

  • Rear house extensions
  • Kitchen extensions
  • Garage conversions
  • Loft or attic conversions
  • Garden room builds
  • Basement or cellar conversions
  • Conservatory roof upgrades
  • Utility or porch extensions

Start your search now


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