Extend your RH19 with an extension

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Flat roof extension cost in RH19

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 RH19?

A flat roof extension ranges from the cheapest of £21200 (AJH Construction and Fencing based in RH19) to the dearest of £22400 (Hasibuilder based in Rh10), 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 RH19 by posting a job with HaMuch. We'll send it to extension builders in RH19.

Estimates for flat roof extension near RH19
  • 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 RH19;



    Rates for other RH19 trades

    Extension Builders in RH19
    Estimate Flat roof extension cost in RH19 based on hourly/daily rate (excluding VAT or callout charges)
    Business name Flat roof extension cost
    AJH Construction and Fencing , East grinstead , RH19 £21200
    Whitehouse Build & Design Ltd, , RH19 £21816
    HOWCROFTS BUILDING SERVICES, , RH19 £21808
    Clearways Construction, East Grinstead, RH19 £21800
    GB Brickwork, East Grinstead, RH19 £21840
    James Knott & Son Ltd, 30 Felbridge Close, East Grinstead, West, RH19 £21792
    Duaris Ltd, Duaris Ltd, Duaris House, Imberhorne Way, East Grinstead, West Sussex, RH19 £21792
    Apsley Wall Ltd, Apsley Paddocks, Wilderwick Road, East G, RH19 £21680
    Taylor Building & Maintenance Services, Crawley, RH18 £21440
    JESMOR CONSTRUCTION LTD, , RH7 £21848
    NK Living, Lingfield, Surrey, RH7 £21840
    S.C.M. BUILDING CONTRACTORS, Hartfield, TN7 £22000
    E.P.A. (UK) LTD, Crawley, RH10 £21280
    WMT Building Services Ltd, Crowhurst, RH7 £21824
    Bts Building Solutions Ltd, West Sussex, TN7 £21896
    Hasibuilder, Crawley , Rh10 £22400
    EDEN CARPENTRY & JOINERY LTD, , RH10 £21832
    B C Construction, Kent, TN8 £21928
    L&S Building Services, Surrey, RH6 £21944
    Omurca Ltd, Edenbridge, TN8 £21920
    JVB Construction Limited, London, Surrey, rh6 £21840
    All Round Property Maintenance, Horley, RH6 £22400
    CAMERON BUILDING AND LANDSCAPING SERVICES LTD, oxted, rh8 £21400
    Obe & Co Design Ltd, THE OLD DAIRY, Manor Court Farm, Tunbridge Wells, Kent, TN3 £21808
    R&R Plastering & Building, 25 Beechwood Villas, Redhill, Surrey, RH1 £21944