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Loft Extensions in Addlestone (215)

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    The Bright Build Co. Logo

    The Bright Build Co.

    10.00

    (2 reviews)

    Operates in Addlestone

    Services & skills
    Builder
    Loft Conversions
    Suspended Ceilings
    Concreting
    Partition Walls
    Call
  • JDS Building Services Logo

    JDS Building Services

    9.94

    (68 reviews)

    Operates in Addlestone

    Services & skills
    Builder
    Loft Conversions
    Mastic Sealant
    Concrete Garages
    Wall Tie Replacements
    Call
  • Design-A-Loft Limited Logo

    Design-A-Loft Limited

    10.00

    (93 reviews)

    Operates in Addlestone

    Services & skills
    Builder
    Loft Conversions
    Call
  • Mayfair Build Ltd Logo

    Mayfair Build Ltd

    9.97

    (60 reviews)

    Operates in Addlestone

    Services & skills
    Builder
    Loft Conversions
    Partition Walls
    Concrete Garages
    General Building
    Call
  • Zaranek's Construction Ltd Logo

    Zaranek's Construction Ltd

    9.83

    (51 reviews)

    Operates in Addlestone

    Services & skills
    Builder
    Loft Conversions
    Foundations
    Extensions / Conversions
    Insurance Claim Specialist
    Call
  • Lion and Leinster Property and Building Services Logo

    Lion and Leinster Property and Building Services

    10.00

    (32 reviews)

    Operates in Addlestone

    Services & skills
    Builder
    Loft Conversions
    Refurbishments
    Garden Studios
    Garage Conversions
    Call
  • PPM Property Services Logo

    PPM Property Services

    9.89

    (18 reviews)

    Operates in Addlestone

    Services & skills
    Builder
    Loft Conversions
    Partition Walls
    Cladding
    Project Management
    Call
  • Carpentry & Construction Services Logo

    Carpentry & Construction Services

    9.57

    (13 reviews)

    Operates in Addlestone

    Services & skills
    Builder
    Loft Conversions
    Cladding
    Core Drilling
    Refurbishments
    Call
  • I C Construct Logo

    I C Construct

    10.00

    (48 reviews)

    Operates in Addlestone

    Services & skills
    Builder
    Loft Conversions
    Wall Tie Replacements
    Cladding
    Refurbishments
    Call
  • S & I Builders Ltd Logo

    S & I Builders Ltd

    9.85

    (151 reviews)

    Operates in Addlestone

    Services & skills
    Builder
    Loft Conversions
    Basement / Cellar Conversions
    Agricultural Building
    Period Property Restoration
    Call
  • Benjamin James Logo

    Benjamin James

    10.00

    (17 reviews)

    Operates in Addlestone

    Services & skills
    Builder
    Loft Conversions
    Wall Tie Replacements
    Concreting
    Mastic Sealant
    Call
  • Snow White Professionals Logo

    Snow White Professionals

    9.64

    (226 reviews)

    Operates in Addlestone

    Services & skills
    Builder
    Loft Conversions
    Repair and Listed Building Specialist
    Concrete Garages
    Core Drilling
    Call

Loft conversions in Addlestone

Planning a loft conversion in Addlestone? 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 Addlestone without the hassle

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

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 Addlestone

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

Average cost of a loft conversion in Addlestone

Loft conversions:

Expect to pay [pricing[1].Addlestone.[Loft Conversion Building].[averagePriceFormatted]] on average, with prices typically starting at [pricing[1].Addlestone.[Loft Conversion Building].[lowPriceFormatted]] up to [pricing[1].Addlestone.[Loft Conversion Building].[highPriceFormatted]].

Loft ladder installers:

Expect to pay [pricing[2].Addlestone.[Loft Ladder Installer].[averagePriceFormatted]] on average, with prices typically starting at [pricing[2].Addlestone.[Loft Ladder Installer].[lowPriceFormatted]] up to [pricing[2].Addlestone.[Loft Ladder Installer].[highPriceFormatted]].

Loft window installation:

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

Roof light installation:

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

Dormer windows:

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

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

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

Find a loft conversion builder for your job in Addlestone

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 Addlestone?

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