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Flat roof extension cost in EC4N

A flat roof extension is a great way to add extra space to your home without splashing out on the costs of a pitched roof extension. Often exempt from planning permission rules, you can build a flat roof extension up to 3 metres in height as long as it's not visible from a road. But how much do they cost in EC4N?

A flat roof extension ranges from the cheapest of £21848 (Volute London based in EC4N) to the dearest of £21944 (Londoner Building Ltd. based in EC1A), but these are just estimates. While they give you an idea of who will be better value, the best way to compare costs is to get real quotes. 

Find out how much your flat roof extension will cost in EC4N by posting a job with HaMuch. We'll send it to extension builders in EC4N.

Estimates for flat roof extension near EC4N
  • How much does a flat roof extension cost?
  • Flat roof extension cost per m2
  • Factors affecting the cost of flat roof extensions
  • Advantages and disadvantages of flat roofs
  • Which is cheaper: a flat roof or pitched roof?
  • How long does a flat roof extension take?
  • Do you need planning permission for a flat roof extension?
  • How long does a flat roof last?
  • Can you walk on a flat roof extension?
  • What insulation do I need for a flat roof extension?

  • Estimates for common extension builder jobs in EC4N;



    Rates for other EC4N trades

    Extension Builders in EC4N
    Estimate Flat roof extension cost in EC4N based on hourly/daily rate (excluding VAT or callout charges)
    Business name Flat roof extension cost
    Omniform, No.1 Royal Exchange, London, Greater London, EC3V £21856
    Volute London, London, Greater London, EC4N £21848
    Flow Property Services, London, Greater London, EC4M £21848
    Aylaa Exclusive, 9 Newbury Street, london, Greater London, EC1A £21848
    Londoner Building Ltd., Greater London, EC1A £21944
    London Roof Gardens, 30 The Leadenhall Building, 122 Leadenhall Street, London, Greater London, EC3V £21944
    SDL PKB, 107 - 111 Fleet street - London -, London, Ec4a £21848
    SCANDIIN, International House 24 Holborn Viaduct, London, Greater London, EC1A £21848
    GenUp Digital, East Dunbartonshire, EC3M £21944
    Venta Construction, 8 City Road, London, Greater London, EC1Y £21848
    TOP CONSTRUCTION, , EC1V £21856
    Fornia Build Ltd, Greater London, EC1V £21944
    Fornia Build Ltd, London, Greater London, EC1V £21848
    Shine Your Home, Shine Your Home Services, London, Greater London, E1 £21856
    evolve property solutions, Unit 143, 155 Minories, London, Greater London, EC3N £21856
    Kovacs Construction Ltd, 4th Floor, 18 St. Cross Street, London, Greater London, EC1N £21848
    Kovacs Construction Ltd, Greater London, EC1N £21944
    Space Design Construction Services Ltd, London, Greater London, SE1 £21848
    Elite Building, 7 Bell Yard, London, Greater London, WC2A £21848
    Elite Building, Greater London, WC2A £21944
    London Design Build, London, EC1N £21848
    Oxford West, London, EC1N £21848
    Andrew Penny Construction, 63-66 Hatton Garden 5th floor Suite 23, London, Greater London, EC1N £21848
    CREDIBUILD LIMITED, , EC2A £21864
    Helix Group Ltd, London, EC2A £21944