Add extra space to your Barnes home from £41840

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Cost of dormer loft conversions in Barnes

Dormer loft conversions are ideal if you want to add lots of extra space to your home. Adding a box-like structure or structures to the roof, you essentially extend the roofline to add significant square footage to your loft space. This makes dormer loft conversions one of the most popular loft conversion types, as they're ideal for adding a new main bedroom with en-suite or even a self-contained living space.

In Barnes, prices for dormer loft conversions range from £41840 (London House Companies Ltd based in SW13) to £41944 (Build & Designs Ltd based in SW13), but how much your conversion costs will vary depending on the size of your property, how easy access to your roof is and what you want to use the space for. 

The best way to get an accurate price is to compare quotes from extension builders in Barnes. Post your job on HaMuch now and we'll put you in touch with available extension builders.

Estimates for dormer loft conversion near Barnes
  • How much does a dormer loft conversion cost?
  • Dormer loft conversion cost per m2
  • Factors affecting the cost of a dormer loft conversion
  • What is a dormer loft conversion?
  • How long does a dormer loft conversion take?
  • Do I need an architect to add a dormer?
  • Do I need planning permission for a dormer loft conversion?
  • Can you add a dormer to any house?
  • How much extra space does a dormer give you?

  • Estimates for common extension builder jobs in Barnes;



    Rates for other Barnes trades

    Dormer loft conversion cost in Barnes
    Estimate Dormer loft conversion cost in Barnes based on hourly/daily rate (excluding VAT or callout charges)
    Business name Dormer loft conversion cost
    London House Companies Ltd, London, Greater London, SW13 £41840
    Invicta Construction LTD, 10-12 Barnes High Street, Barnes,, London, London, Greater London, SW13 £41840
    SHIPSTON CONSTRUCTION LONDON, , SW13 £41856
    Big Bean Construction ltd, London, Greater London, SW13 £41840
    Build & Designs Ltd, London, SW13 £41944
    Design 2 Finish, London, Greater London, SW13 £41840
    Convert Construction Ltd, London, Greater London, SW14 £41840
    WBS Refurbishments and Renovations LTD, London, Greater London, SW15 £41840
    GP Basement Building & Refurbishment, London, Greater London, sw15 £41840
    Smart Property Sourcing, Midlothian, W4 £41944
    Raylian Power Design, 206 Mortlake Business Centre, 20 Mortlake High Street, Mortlake, Greater London, SW14 £41840
    Raylian Power Design, Greater London, SW14 £41944
    MCB Developments, London, Greater London, SW14 £41840
    AJ Wells, , SW15 £41880
    Metos Design & Build, Surrey, SW14 £41944
    Specialist Screeding, , W6 £41888
    Knight Refurbishment House Renovation, Greater London, W4 £41944
    Sunny Eco, 345 Upper Richmond Road, London, Surrey, SW14 £41840
    Ethos Urban Design, London, Greater London, SW15 £41840
    Build Space London Ltd, London, Greater London, SW14 £41840
    JOHN HOPWOOD DELTA CONSTRUCTION SERVICES, , W4 £41848
    Lux Construction, Hammersmith, Greater London, W6 £41848
    Gem Look Construction Ltd., Richmond Surrey, SW14 £41936
    Guardian Developments, Londonderry, W4 £41944
    Hurlingham Developments, Greater London, SW6 £41944