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Extensions / Conversions in Malton (10)

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  • Oak & Stone Construction York LTD Logo

    Oak & Stone Construction York LTD

    9.90

    (7 reviews)

    Operates in Malton

    Services & skills
    Builder
    Extensions / Conversions
    Garden Studios
    Emergency Builder Service
    Insurance Claim Specialist
    Call
  • SA Services Logo

    SA Services

    10.00

    (128 reviews)

    Operates in Malton

    Services & skills
    Builder
    Extensions / Conversions
    Car Ports
    General Building
    Steel Fabrication
    Call
  • Yorkshire Humber Construction Ltd Logo

    Yorkshire Humber Construction Ltd

    (0 reviews)

    Operates in Malton

    Suggested Services
    Single Storey Extension Construction
    £1,750 / m²
    Loft Conversion Services
    £25,000 / job
    Call
  • M Ireland Builders Limited Logo

    M Ireland Builders Limited

    9.78

    (3 reviews)

    Operates in Malton

    Services & skills
    Builder
    Extensions / Conversions
    General Building
    Equestrian Stable
    Partition Walls
    Call
  • MJY BRICKWORKS LTD Logo

    MJY BRICKWORKS LTD

    9.91

    (15 reviews)

    Operates in Malton

    Services & skills
    Builder
    Extensions / Conversions
    Suspended Ceilings
    Structural Design
    Steel Fabrication
    Call
  • Mill Build

    9.88

    (25 reviews)

    Operates in Malton

    Services & skills
    Builder
    Extensions / Conversions
    General Building
    Garden Studios
    Repair and Listed Building Specialist
    Call
  • NE1 Residential & Commercial LTD Logo

    NE1 Residential & Commercial LTD

    10.00

    (1 review)

    Operates in Malton

    Services & skills
    Builder
    Extensions / Conversions
    Agricultural Building
    Concrete Garages
    Foundations
    Call
  • IML BUILDING Ltd Logo

    IML BUILDING Ltd

    10.00

    (1 review)

    Operates in Malton

    Services & skills
    Builder
    Extensions / Conversions
    Core Drilling
    Workshop Design / Construction
    Fire and Flood Renovation
    Call
  • S Thompson Ltd Logo

    S Thompson Ltd

    9.86

    (134 reviews)

    Operates in Malton

    Services & skills
    Builder
    Extensions / Conversions
    Brick / Concrete Structural Repairs
    Cladding
    Partition Walls
    Call
  • Renov8 Group Logo

    Renov8 Group

    9.69

    (39 reviews)

    Operates in Malton

    Services & skills
    Builder
    Extensions / Conversions
    General Building
    Brick / Concrete Structural Repairs
    Garage Conversions
    Call

Conversion and extension builders in Malton

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

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 Malton

Our checked tradespeople in Malton 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

Costs to expect

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

Single - storey extensions: £21,000 - £65,000

Double - storey extensions: £55,000 - £95,000

Loft conversions: £35,000 - £65,000

Garage conversions: £8,000 - £20,000

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 Malton: 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 Malton

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

Find the right extension or conversion specialist in Malton

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

Looking for more tradespeople in Malton?

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