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  • M S E Services Logo

    M S E Services

    9.89

    (71 reviews)

    Operates in GU15

    Services & skills
    Builder
    Loft Conversions
    Workshop Design / Construction
    Car Ports
    Refurbishments
    Call
  • General Building Company & Sons Ltd Logo

    General Building Company & Sons Ltd

    10.00

    (68 reviews)

    Operates in GU15

    Services & skills
    Builder
    Loft Conversions
    New Builds
    Foundations
    Structural Steels
    Call
  • Carswells construction /Plumbing Logo

    Carswells construction /Plumbing

    9.78

    (71 reviews)

    Operates in GU15

    Services & skills
    Builder
    Loft Conversions
    Suspended Ceilings
    Sustainable Construction
    Brick / Concrete Structural Repairs
    Call
  • TFM GROUP LTD Logo

    TFM GROUP LTD

    (0 reviews)

    Operates in GU15

    Services & skills
    Builder
    Loft Conversions
    Garage Conversions
    Extensions / Conversions
    Equestrian Stable
    Call
  • Blueprint Building Services Logo

    Blueprint Building Services

    9.97

    (74 reviews)

    Operates in GU15

    Services & skills
    Builder
    Loft Conversions
    Structural Steels
    Extensions / Conversions
    General Building
    Call
  • Elton Construction Ltd Logo

    Elton Construction Ltd

    9.78

    (6 reviews)

    Operates in GU15

    Services & skills
    Builder
    Loft Conversions
    Refurbishments
    Suspended Ceilings
    Warehouse Racking
    Call
  • Ayton-smith Limited Logo

    Ayton-smith Limited

    9.79

    (42 reviews)

    Operates in GU15

    Services & skills
    Builder
    Loft Conversions
    General Building
    Extensions / Conversions
    Refurbishments
    Call
  • S & I Builders Ltd Logo

    S & I Builders Ltd

    9.78

    (147 reviews)

    Operates in GU15

    Services & skills
    Builder
    Loft Conversions
    Brick / Concrete Structural Repairs
    Foundations
    Concreting
    Call
  • Cherrylofts Limited Logo

    Cherrylofts Limited

    10.00

    (19 reviews)

    Operates in GU15

    Services & skills
    Builder
    Loft Conversions
    Call
  • ARC Building & Renovations Logo

    ARC Building & Renovations

    10.00

    (140 reviews)

    Operates in GU15

    Services & skills
    Builder
    Loft Conversions
    Emergency Builder Service
    Demolition
    Insurance Claim Specialist
    Call
  • West London Renovations & Design Logo

    West London Renovations & Design

    10.00

    (111 reviews)

    Operates in GU15

    Services & skills
    Builder
    Loft Conversions
    Suspended Ceilings
    Cladding
    Garage Conversions
    Call
  • RW Construction Logo

    RW Construction

    10.00

    (95 reviews)

    Operates in GU15

    Services & skills
    Builder
    Loft Conversions
    Garden Studios
    Brick / Concrete Structural Repairs
    Period Property Restoration
    Call

Loft conversions in GU15

Planning a loft conversion in GU15? Whether you’re dreaming of a new bedroom, a home office, or just more space to breathe, we’re here to help.

Find rated loft conversion builders in GU15 without the hassle

With Checkatrade, you can find checked loft conversion companies in GU15 and get quotes from trades who cover your area, fast. No faff. Just a simple way to turn that empty attic into something brilliant.

Post your job in minutes or browse reviewed GU15 loft conversion builders near you. It’s free to use, and you’re in control every step of the way.

What to expect from hiring a loft conversion builder in GU15

Loft conversions are one of the most popular ways to add space (and value) to a home. Here’s what you need to know:

Common loft conversion jobs in GU15

  • Dormer loft conversions
  • Hip-to-gable conversions
  • Velux (rooflight) conversions
  • Mansard conversions
  • Bungalow loft extensions

Average cost of a loft conversion in GU15

Loft conversions:

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Loft ladder installers:

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Loft window installation:

Expect to pay [pricing[3].GU15.[Loft Windows Installation].[averagePriceFormatted]] on average, with prices typically starting at [pricing[3].GU15.[Loft Windows Installation].[lowPriceFormatted]] up to [pricing[3].GU15.[Loft Windows Installation].[highPriceFormatted]].

Roof light installation:

Expect to pay [pricing[4].GU15.[Roof Lights Installation].[averagePriceFormatted]] on average, with prices typically starting at [pricing[4].GU15.[Roof Lights Installation].[lowPriceFormatted]] up to [pricing[4].GU15.[Roof Lights Installation].[highPriceFormatted]].

Dormer windows:

Expect to pay [pricing[5].GU15.[Dormer / Roof Windows].[averagePriceFormatted]] on average, with prices typically starting at [pricing[5].GU15.[Dormer / Roof Windows].[lowPriceFormatted]] up to [pricing[5].GU15.[Dormer / Roof Windows].[highPriceFormatted]].

Explore our loft conversion cost guide for a detailed breakdown.

What’s included in a loft conversion quote?

  • Design and structural plans
  • Building work and insulation
  • Stairs, electrics, plumbing
  • Windows, flooring, and finishes

Extra costs to think about:

  • Architect or structural engineer fees
  • Planning permission (if required)
  • Bathrooms or heating upgrades
  • Underfloor heating or bespoke storage

How long does a loft conversion take?

Velux: 4 - 6 weeks

Dormer: 10 - 12 weeks

Mansard: 8 - 10 weeks

Loft conversions in GU15: Homeowners vs renters

If you own your home:

  • You’re responsible for planning, permissions, and hiring.
  • Check if you need planning permission; many lofts fall under permitted development, but not all.
  • Building regulations always apply. A loft conversion without sign-off could cause issues later (including invalidating home insurance).

If you rent:

  • You can’t carry out major work like a loft conversion.
  • Speak to your landlord if you notice issues in the loft space (leaks, insulation problems etc.).
  • If you spot an unregulated loft conversion, flag it with your landlord or letting agent.

Emergency loft conversion help in GU15

Need urgent loft work like a leak, collapsed ceiling, or unsafe structure? We’ve got you.

Search for emergency loft conversion services in GU15 to find available trades fast.

Find a loft conversion builder for your job in GU15

Here are some common requests from homeowners and renters alike:

  • Loft boarding or insulation
  • Full loft extensions
  • Velux or dormer installations
  • Bungalow loft conversion design
  • Loft conversion quotes
  • Structural inspections or fixes
  • Loft stairs installation
  • Loft storage or lighting upgrades
  • Fixing illegal or unregulated conversions

Use our request a quote feature; it’s a quick, easy way to get responses from loft builders covering your local area.


Looking for more tradespeople in GU15?

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