Extend your SE6 with an extension

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Flat roof extension cost in SE6

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 SE6?

A flat roof extension ranges from the cheapest of £21280 (Our Builders Ltd based in SE6) to the dearest of £21944 (S W BUILDPROVEMENT based in SE6), 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 SE6 by posting a job with HaMuch. We'll send it to extension builders in SE6.

Estimates for flat roof extension near SE6
  • 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 SE6;



    Rates for other SE6 trades

    Extension Builders in SE6
    Estimate Flat roof extension cost in SE6 based on hourly/daily rate (excluding VAT or callout charges)
    Business name Flat roof extension cost
    S W BUILDPROVEMENT, Greater London, SE6 £21944
    GreenGauge Heating Limited, Greater London, SE6 £21944
    Multiproof Ltd, Lewisham, London, SE6 £21760
    J&S WALLINGTON LIMITED, Greater London, SE6 £21936
    Our Builders Ltd, London, SE6 £21280
    Baseline Build and Renovate Ltd, 87 Selworthy Road, London, London, SE6 £21840
    Construction Surety, Greater London, SE13 £21944
    Alltype Paving and Building Ltd, Bromley, BR1 £21856
    MPN Engineering LTD, Greater London, BR1 £21936
    Pure Building & Maintenance Services Limited, Surrey, SE26 £21944
    AADO SERVICES LTD, Flat 2, 33 Campshill Road, London, Greater London, SE13 £21848
    Justin Bailey, Greater London, SE4 £21944
    CHRIS BALL & SON ROOFING LTD, , SE23 £21856
    Chris Ball & Son Roofing Ltd, London, SE23 £21856
    STOYANOV CONSTRUCTION LTD, , SE23 £21864
    SMS Construction Services Ltd, London, SE12 £21944
    Archteckbuild, , SE12 £21880
    South East Builders, London, SE4 £21864
    RM Building (London) Ltd, Nr Forest Hill, SE23 £21864
    Albion Roofing Solutions, 2 Dacres Road, Forest Hill, London, Grea, SE23 £21840
    Color Revolution Limited, Greater London, SE12 £21944
    Travel London Ltd, 98 Avondale Road, London, Bromley, BR1 £21840
    NKD Contractors, 65 Dartmouth Road, Forest Hill, London, Greater London, SE23 £21848
    TP Building & Development Services Ltd, London, Greater London, SE13 £21848
    Dule Vida Property Design Ltd, Greater London, SE13 £21944