Extensions / Conversions in South Somerset (18)

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  • SBSSW LIMITED Logo

    SBSSW LIMITED

    10.00

    (110 reviews)

    Operates in South Somerset

    Services & skills
    Builder
    Extensions / Conversions
    Workshop Design / Construction
    Wall Tie Replacements
    Equestrian Stable
    Call
  • LILUX DEVELOPMENTS LIMITED Logo

    LILUX DEVELOPMENTS LIMITED

    10.00

    (6 reviews)

    Operates in South Somerset

    Services & skills
    Builder
    Extensions / Conversions
    Equestrian Stable
    Concreting
    Sustainable Construction
    Call
  • Complete Carpentry & Building Contractors Ltd Logo

    Complete Carpentry & Building Contractors Ltd

    10.00

    (47 reviews)

    Operates in South Somerset

    Services & skills
    Builder
    Extensions / Conversions
    Concreting
    Loft Conversions
    Partition Walls
    Call
  • Measure Twice Construction Logo

    Measure Twice Construction

    9.87

    (54 reviews)

    Operates in South Somerset

    Services & skills
    Builder
    Extensions / Conversions
    Tree Houses
    Garden Studios
    Loft Conversions
    Call
  • M Dunston Building Contractors Logo

    M Dunston Building Contractors

    10.00

    (28 reviews)

    Operates in South Somerset

    Services & skills
    Builder
    Extensions / Conversions
    Partition Walls
    Sustainable Construction
    Equestrian Stable
    Call
  • Tom Southgate Building and Carpentry

    10.00

    (20 reviews)

    Operates in South Somerset

    Services & skills
    Builder
    Extensions / Conversions
    Structural Design
    Heritage Property Specialist
    Cladding
    Call
  • Sparrow Carpentry And Building Logo

    Sparrow Carpentry And Building

    10.00

    (48 reviews)

    Operates in South Somerset

    Services & skills
    Builder
    Extensions / Conversions
    Fire and Flood Renovation
    Mastic Sealant
    Cladding
    Call
  • L&R refurbishments LTD Logo

    L&R refurbishments LTD

    9.78

    (126 reviews)

    Operates in South Somerset

    Services & skills
    Builder
    Extensions / Conversions
    Emergency Builder Service
    Sustainable Construction
    Core Drilling
    Call
  • Skyview Construction LTD Logo

    Skyview Construction LTD

    10.00

    (11 reviews)

    Operates in South Somerset

    Services & skills
    Builder
    Extensions / Conversions
    Basement / Cellar Conversions
    Foundations
    Garden Studios
    Call
  • RJ FAHY & SON Logo

    RJ FAHY & SON

    10.00

    (14 reviews)

    Operates in South Somerset

    Services & skills
    Builder
    Extensions / Conversions
    Equestrian Stable
    Wall Tie Replacements
    Loft Conversions
    Call
  • Up construction and refurbishment ltd Logo

    Up construction and refurbishment ltd

    9.67

    (10 reviews)

    Operates in South Somerset

    Services & skills
    Builder
    Extensions / Conversions
    Concreting
    Suspended Ceilings
    Wall Tie Replacements
    Call
  • Insideout Building Logo

    Insideout Building

    9.95

    (52 reviews)

    Operates in South Somerset

    Services & skills
    Builder
    Extensions / Conversions
    Cladding
    Property Maintenance / Repair
    Partition Walls
    Call

Top rated Extensions / Conversions in South Somerset

10

/10

45 ratings

Our Extensions / Conversions in South Somerset are rated an average of 10 out of 10 based on a sample of 45 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 South Somerset

Planning a loft conversion, garage makeover or full house extension in South Somerset? 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 South Somerset

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 South Somerset

Our checked tradespeople in South Somerset 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 South Somerset

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

Extensions:

£32709 on average, with prices typically starting at £20085 up to £52106.

Loft conversions:

£35928 on average, with prices typically starting at £23495 up to £54370.

Garage conversions:

£11307 on average, with prices typically starting at £7931 up to £16168.

Conservatory roof conversions:

£8088 on average, with prices typically starting at £5783 up to £11360.

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 South Somerset: 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 South Somerset

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 South Somerset? Enter your postcode or post a job to find emergency services in your area.

Find the right extension or conversion specialist in South Somerset

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


Looking for more tradespeople in South Somerset?

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