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Extensions / Conversions in Wilton (36)

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  • Willmont Building Services Ltd Logo

    Willmont Building Services Ltd

    9.75

    (250 reviews)

    Operates in Wilton

    Services & skills
    Builder
    Extensions / Conversions
    Garden Studios
    Demolition
    Cladding
    Call
  • DJH Property Services Logo

    DJH Property Services

    9.86

    (265 reviews)

    Operates in Wilton

    Services & skills
    Builder
    Extensions / Conversions
    Structural Design
    Steel Fabrication
    Concreting
    Call
  • MKS Carpentry and Building Logo

    MKS Carpentry and Building

    8.62

    (46 reviews)

    Operates in Wilton

    Services & skills
    Builder
    Extensions / Conversions
    Project Management
    Loft Conversions
    Car Ports
    Call
  • LMBC Ltd Logo

    LMBC Ltd

    9.25

    (108 reviews)

    Operates in Wilton

    Services & skills
    Builder
    Extensions / Conversions
    Suspended Ceilings
    Fire and Flood Renovation
    Demolition
    Call
  • Henry Construction (Southern) Limited Logo

    Henry Construction (Southern) Limited

    9.96

    (121 reviews)

    Operates in Wilton

    Services & skills
    Builder
    Extensions / Conversions
    Garage Conversions
    Call
  • Bailey Construction Services

    9.95

    (307 reviews)

    Operates in Wilton

    Services & skills
    Builder
    Extensions / Conversions
    Car Ports
    New Builds
    Brick / Concrete Structural Repairs
    Call
  • JCM Installations Limited Logo

    JCM Installations Limited

    9.67

    (86 reviews)

    Operates in Wilton

    Services & skills
    Builder
    Extensions / Conversions
    Demolition
    Concreting
    Workshop Design / Construction
    Call
  • Rudix Logo

    Rudix

    9.78

    (3 reviews)

    Operates in Wilton

    Services & skills
    Builder
    Extensions / Conversions
    General Building
    Concrete Garages
    Brick / Concrete Structural Repairs
    Call
  • DS Hutchings Builders Logo

    DS Hutchings Builders

    10.00

    (119 reviews)

    Operates in Wilton

    Services & skills
    Builder
    Extensions / Conversions
    Loft Conversions
    General Building
    Basement / Cellar Conversions
    Call
  • D Dunn Ground Works Logo

    D Dunn Ground Works

    9.92

    (111 reviews)

    Operates in Wilton

    Services & skills
    Builder
    Extensions / Conversions
    New Builds
    Structural Design
    General Building
    Call
  • T.K Building & Landscaping LTD Logo

    T.K Building & Landscaping LTD

    10.00

    (4 reviews)

    Operates in Wilton

    Services & skills
    Builder
    Extensions / Conversions
    Property Maintenance / Repair
    Car Ports
    Brick / Concrete Structural Repairs
    Call
  • TPS INSTALLATIONS LTD Logo

    TPS INSTALLATIONS LTD

    10.00

    (371 reviews)

    Operates in Wilton

    Services & skills
    Builder
    Extensions / Conversions
    Garage Conversions
    General Building
    Loft Conversions
    Call

Conversion and extension builders in Wilton

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

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 Wilton

Our checked tradespeople in Wilton 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 Wilton

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

Extensions:

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Loft conversions:

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Garage conversions:

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Conservatory roof conversions:

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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 Wilton: 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 Wilton

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

Find the right extension or conversion specialist in Wilton

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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