Convert your basement in Southampton from £33,000

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Cheapest builders to convert your basement in Southampton

Range from the cheapest Basement conversion £33,000 (General Building Services (Southampton) Ltd based in SO53) to the dearest Basement conversion £35,430 (KT Carpentry & Building Services based in SO16).

Comparing extension builders estimates for a Basement conversion gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.

What to do - Get rates and quotes for the cost to convert a basement in Southampton by posting a job with HaMuch and we will send it to  extension builders in Southampton.

Estimates for basement conversion near Southampton
  • Basement conversion cost: price guide
  • Benefits of a basement conversion
  • Will I need planning permission?
  • Supply costs of a basement conversion
  • Waterproofing options for your basement

    • Estimates for common extension builder jobs in Southampton;

    JobEstimate
    		Underpinning a house£17,226
    		Build a two storey extension£87,589
    		Build a timber frame extension£25,726
    		Install a swimming pool£80,726
    		Cost to build a single storey extension£44,522
    		Cost to build a side return extension£34,418
    		Install an RSJ£1,926
    		Build an outbuilding£9,726
    		Build a mansard loft conversion£51,726
    		Cost of a loft conversion£31,182
    		Build a kitchen extension£41,726
    		Build a hip to gable loft conversion£41,726
    		Build a granny annexe£86,726
    		Build a garden office£9,726
    		Convert a garage£15,726
    		Build a new garage£18,226
    		Build a flat roof extension£21,726
    		Build a dormer loft conversion£41,726
    		Lay a concrete foundation£5,976
    		Convert a bungalow loft£28,726
    		Basement conversion cost£34,418
    2. Enter postcode to get estimate
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    Basement conversion cost in Southampton
    Estimate Basement conversion cost in Southampton based on hourly/daily rate (excluding VAT or callout charges)
    Business name Basement conversion cost
    Loki Projects & Development, Hampshire, SO1 £35,070
    LG PLANNING LIMITED, Hampshire, SO14 £34,980
    AAConcepts, Hampshire, SO14 £34,260
    Hestia Trustins LTD, South Hampton, Hampshire, SO14 £33,900
    Dell Developments Ltd, Southampton, Hampshire, SO18 £33,810
    LMR BUILDING SERVICES LIMITED, , SO15 £34,530
    Bailey Construction Services, Southampton, SO15 £34,800
    Claytons Building and Roofing, Southampton, SO19 £34,080
    Steve Lovett Builders, , SO18 £34,170
    Mobile Services, , SO19 £34,260
    Aspire Building and Construction Limited, Southampton, SO18 £34,260
    1st Oak Building Preservation & Maintenance, Southampton, SO16 £34,530
    ROB DINE CONSTRUCTION, , SO19 £33,990
    Pro Home Improve, Hampshire, SO18 £34,980
    JHL Building & Maintenance, , SO45 £34,530
    KT Carpentry & Building Services, Hampshire, SO16 £35,430
    Luke Moore's Plumbing & Heating Engineering, , SO31 £34,260
    D Horgan Builders, , SO45 £34,530
    CP and Sons Construction Ltd, Eastleigh, SO53 £33,540
    CSY Construction Ltd, , SO53 £34,260
    Protouch Builders, Eastleigh, SO50 £34,170
    Trowel On, , SO40 £34,890
    GDS Building & Maintenance Ltd, Totton, Southampton, SO40 £35,070
    Safespec Building Services Limited, 6 Serle Gardens, Totton, Southampton, Ha, SO40 £35,160
    General Building Services (Southampton) Ltd, Eastleigh, SO53 £33,000

    Get extension builder rates instantly

    Get extension builder rates instantly (excluding VAT or callout charges)
    Location in UKHourly RateDaily Rate
    Basement Conversion near Southampton£30£217
    Basement Conversion near Eastleigh£30£216
    Basement Conversion near Totton£30£217
    Basement Conversion near Hedge End£31£217
    Basement Conversion near Chandler's Ford£31£216
    Basement Conversion near Locks Heath£31£217
    Basement Conversion near Romsey£30£217
    Basement Conversion near New Forest£32£226
    Basement Conversion near Fareham£31£216
    Basement Conversion near Lee-on-the-Solent£31£216