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Extensions / Conversions in Hayling Island (70)

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  • J. Webb Building Services Logo

    J. Webb Building Services

    9.98

    (60 reviews)

    Operates in Hayling Island

    Services & skills
    Builder
    Extensions / Conversions
    Tree Houses
    Partition Walls
    Garden Studios
    Call
  • Winsor Construction Limited Logo

    Winsor Construction Limited

    10.00

    (209 reviews)

    Operates in Hayling Island

    Services & skills
    Builder
    Extensions / Conversions
    Wall Tie Replacements
    Garden Studios
    Period Property Restoration
    Call
  • H Meadows Building Services

    10.00

    (142 reviews)

    Operates in Hayling Island

    Services & skills
    Builder
    Extensions / Conversions
    Wall Tie Replacements
    Brick / Concrete Structural Repairs
    Core Drilling
    Call
  • CDW Building Services Ltd Logo

    CDW Building Services Ltd

    10.00

    (166 reviews)

    Operates in Hayling Island

    Services & skills
    Builder
    Extensions / Conversions
    Car Ports
    Partition Walls
    Concreting
    Call
  • WSDL Home Improvements Logo

    WSDL Home Improvements

    9.97

    (40 reviews)

    Operates in Hayling Island

    Services & skills
    Builder
    Extensions / Conversions
    Refurbishments
    Cladding
    Mastic Sealant
    Call
  • Southdowns Builders Ltd Logo

    Southdowns Builders Ltd

    9.97

    (159 reviews)

    Operates in Hayling Island

    Services & skills
    Builder
    Extensions / Conversions
    Workshop Design / Construction
    Concreting
    New Builds
    Call
  • GRL Building Services Ltd Logo

    GRL Building Services Ltd

    10.00

    (160 reviews)

    Operates in Hayling Island

    Services & skills
    Builder
    Extensions / Conversions
    Concrete Garages
    Concreting
    Sustainable Construction
    Call
  • Empire Building Contractors Ltd Logo

    Empire Building Contractors Ltd

    7.73

    (13 reviews)

    Operates in Hayling Island

    Services & skills
    Builder
    Extensions / Conversions
    Suspended Ceilings
    Loft Conversions
    Foundations
    Call
  • S W E GROUNDWORKS Logo

    S W E GROUNDWORKS

    9.23

    (21 reviews)

    Operates in Hayling Island

    Services & skills
    Builder
    Extensions / Conversions
    Mastic Sealant
    Structural Steels
    Concrete Garages
    Call
  • Hughes Home Developments Logo

    Hughes Home Developments

    10.00

    (23 reviews)

    Operates in Hayling Island

    Services & skills
    Builder
    Extensions / Conversions
    Car Ports
    Brick / Concrete Structural Repairs
    Demolition
    Call
  • Abacus Roofing and Building Logo

    Abacus Roofing and Building

    10.00

    (35 reviews)

    Operates in Hayling Island

    Services & skills
    Builder
    Extensions / Conversions
    Garage Conversions
    General Building
    Foundations
    Call
  • Morris Parker Property Refurbishment Ltd Logo

    Morris Parker Property Refurbishment Ltd

    9.91

    (196 reviews)

    Operates in Hayling Island

    Services & skills
    Builder
    Extensions / Conversions
    Mastic Sealant
    Brick / Concrete Structural Repairs
    Concreting
    Call

Conversion and extension builders in Hayling Island

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

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 Hayling Island

Our checked tradespeople in Hayling Island 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 Hayling Island

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 Hayling Island: 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 Hayling Island

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

Find the right extension or conversion specialist in Hayling Island

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 Hayling Island?

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