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Loft Extensions in GU1 (145)

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  • Sponsored
    Cheam Building Services LTD Logo

    Cheam Building Services LTD

    10.00

    (129 reviews)

    Operates in GU1

    Services & skills
    Builder
    Loft Conversions
    Garden Studios
    Demolition
    Foundations
    Call
  • Oliver's Design, Build & Decorating Logo

    Oliver's Design, Build & Decorating

    9.63

    (129 reviews)

    Operates in GU1

    Services & skills
    Builder
    Loft Conversions
    Project Management
    Mastic Sealant
    Fire and Flood Renovation
    Call
  • SBM Surrey Building Maintenance LTD Electrical Logo

    SBM Surrey Building Maintenance LTD Electrical

    10.00

    (101 reviews)

    Operates in GU1

    Services & skills
    Builder
    Loft Conversions
    General Building
    Agricultural Building
    Core Drilling
    Call
  • GR8 Construction & Carpentry Ltd Logo

    GR8 Construction & Carpentry Ltd

    10.00

    (47 reviews)

    Operates in GU1

    Services & skills
    Builder
    Loft Conversions
    Project Management
    Insurance Claim Specialist
    Structural Steels
    Call
  • MK General Building Ltd Logo

    MK General Building Ltd

    9.96

    (32 reviews)

    Operates in GU1

    Services & skills
    Builder
    Loft Conversions
    Refurbishments
    Partition Walls
    General Building
    Call
  • Cherrylofts Limited Logo

    Cherrylofts Limited

    10.00

    (19 reviews)

    Operates in GU1

    Services & skills
    Builder
    Loft Conversions
    Call
  • Woking Building And Roofing Logo

    Woking Building And Roofing

    9.83

    (2 reviews)

    Operates in GU1

    Services & skills
    Builder
    Loft Conversions
    Car Ports
    Concreting
    Refurbishments
    Call
  • Surrey General Builders Logo

    Surrey General Builders

    10.00

    (36 reviews)

    Operates in GU1

    Services & skills
    Builder
    Loft Conversions
    Mastic Sealant
    Suspended Ceilings
    General Building
    Call
  • ashurst build ltd Logo

    ashurst build ltd

    9.93

    (5 reviews)

    Operates in GU1

    Services & skills
    Builder
    Loft Conversions
    Extensions / Conversions
    General Building
    Concreting
    Call
  • P Harvey Construction Ltd

    9.90

    (153 reviews)

    Operates in GU1

    Services & skills
    Builder
    Loft Conversions
    Concrete Garages
    Stretched Ceilings
    Project Management
    Call
  • FRC Roofing and Property Maintenance Logo

    FRC Roofing and Property Maintenance

    9.70

    (253 reviews)

    Operates in GU1

    Services & skills
    Builder
    Loft Conversions
    Brick / Concrete Structural Repairs
    Refurbishments
    Concrete Garages
    Call
  • MORCO CONSTRUCTION LTD Logo

    MORCO CONSTRUCTION LTD

    9.98

    (14 reviews)

    Operates in GU1

    Services & skills
    Builder
    Loft Conversions
    Steel Work Design
    Agricultural Building
    Stretched Ceilings
    Call

Loft conversions in GU1

Planning a loft conversion in GU1? 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 GU1 without the hassle

With Checkatrade, you can find checked loft conversion companies in GU1 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 GU1 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 GU1

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 GU1

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

Average cost of a loft conversion in GU1

Loft conversions:

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Loft ladder installers:

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Loft window installation:

Expect to pay [pricing[3].GU1.[Loft Windows Installation].[averagePriceFormatted]] on average, with prices typically starting at [pricing[3].GU1.[Loft Windows Installation].[lowPriceFormatted]] up to [pricing[3].GU1.[Loft Windows Installation].[highPriceFormatted]].

Roof light installation:

Expect to pay [pricing[4].GU1.[Roof Lights Installation].[averagePriceFormatted]] on average, with prices typically starting at [pricing[4].GU1.[Roof Lights Installation].[lowPriceFormatted]] up to [pricing[4].GU1.[Roof Lights Installation].[highPriceFormatted]].

Dormer windows:

Expect to pay [pricing[5].GU1.[Dormer / Roof Windows].[averagePriceFormatted]] on average, with prices typically starting at [pricing[5].GU1.[Dormer / Roof Windows].[lowPriceFormatted]] up to [pricing[5].GU1.[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 GU1: 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 GU1

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

Search for emergency loft conversion services in GU1 to find available trades fast.

Find a loft conversion builder for your job in GU1

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 GU1?

Find Checkatrade reviewed Tradespeople, get a quote today, discover related services in GU1 and check out our latest home improvement guides.