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Gas Safety Certificate (CP12) Cost UK (2026)

UK national average£60 - £120per certificate · typical duration 30-60 minutes

Gas Safety Certificate (CP12) in the UK typically costs £60-£120per certificate in 2026. London and the Home Counties sit at the top of the range; Wales, Northern Ireland and the North East are usually cheapest. Click any city below for a full local breakdown.

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What affects the price

Gas Safety Certificate (CP12) prices by UK location

London

London£80 - £160Barnet£75 - £145Croydon£70 - £140Ealing£75 - £145Bromley£70 - £140Enfield£70 - £140Brent£75 - £145Wandsworth£80 - £155Tower Hamlets£75 - £155Southwark£80 - £155Lambeth£75 - £155Lewisham£70 - £145Hillingdon£70 - £140Redbridge£70 - £140Hounslow£70 - £140Greenwich£75 - £145Hackney£75 - £155Waltham Forest£70 - £140Camden£80 - £160Haringey£75 - £145Westminster£85 - £170Harrow£70 - £145Bexley£70 - £140Islington£80 - £160Merton£75 - £145Sutton£70 - £140Richmond upon Thames£75 - £155Hammersmith£80 - £160Kingston upon Thames£75 - £145Ilford£70 - £140Kensington£85 - £170Romford£70 - £140Wembley£75 - £145Fulham£80 - £160Orpington£70 - £140Uxbridge£70 - £140Twickenham£75 - £150Chelsea£85 - £170Stratford£75 - £150

South East

Brighton£70 - £145Southampton£65 - £130Portsmouth£65 - £125Reading£70 - £140Slough£70 - £140Oxford£75 - £150Isle of Wight£65 - £125High Wycombe£70 - £140Maidstone£65 - £130Crawley£65 - £135Worthing£65 - £125Basingstoke£65 - £130Gillingham£60 - £120Woking£70 - £145Eastbourne£60 - £120Hastings£55 - £115Hove£70 - £145Dartford£70 - £140Bracknell£70 - £140Gosport£60 - £120Chatham£60 - £120Guildford£75 - £145Ashford£65 - £125Aylesbury£65 - £130Maidenhead£70 - £145Redhill£70 - £140Farnborough£70 - £140Bognor Regis£60 - £120Sittingbourne£60 - £120Margate£55 - £110Tunbridge Wells£70 - £140Canterbury£65 - £125Banbury£65 - £125Eastleigh£65 - £125Horsham£70 - £140Andover£65 - £125Folkestone£60 - £120Wokingham£70 - £145Havant£60 - £120Winchester£70 - £145Newbury£70 - £140Fareham£65 - £125Ramsgate£55 - £110Camberley£65 - £135Aldershot£65 - £130Windsor£75 - £145Epsom£75 - £145Burgess Hill£65 - £130Dover£60 - £120Haywards Heath£70 - £140Sevenoaks£75 - £150Chichester£70 - £140

East of England

Milton Keynes£65 - £130Luton£70 - £140Peterborough£55 - £115Colchester£60 - £120Basildon£65 - £130Southend-on-Sea£65 - £125Cambridge£70 - £145Ipswich£55 - £115Norwich£55 - £115Chelmsford£65 - £135Bedford£65 - £125Watford£70 - £140Hemel Hempstead£70 - £140Harlow£65 - £130Stevenage£65 - £130St Albans£75 - £145Lowestoft£55 - £105Great Yarmouth£50 - £100Cheshunt£70 - £140Welwyn Garden City£70 - £140Braintree£65 - £125King's Lynn£55 - £105Bury St Edmunds£60 - £120Hatfield£65 - £135

South West

Bristol£70 - £140Plymouth£55 - £115Bournemouth£65 - £125Swindon£60 - £120Poole£65 - £125Exeter£65 - £125Gloucester£60 - £120Cheltenham£65 - £130Bath£70 - £145Weston-super-Mare£55 - £115Taunton£60 - £120Torquay£55 - £115Weymouth£55 - £115Paignton£55 - £110Yeovil£55 - £115Salisbury£65 - £125Barnstaple£55 - £110Penzance£55 - £110Dorchester£60 - £120St Austell£55 - £110Truro£60 - £120

West Midlands

Birmingham£60 - £120Coventry£60 - £120Sandwell£55 - £115Dudley£55 - £115Walsall£55 - £115Wolverhampton£55 - £115Stoke-on-Trent£55 - £105Solihull£65 - £125Telford£55 - £110Worcester£60 - £120Redditch£55 - £115Nuneaton£55 - £115Shrewsbury£55 - £115Stafford£55 - £110Hereford£55 - £115Kidderminster£55 - £110Leamington Spa£65 - £130Warwick£65 - £125Stratford-upon-Avon£65 - £130

East Midlands

Leicester£60 - £120Nottingham£60 - £120Derby£55 - £115Northampton£60 - £120Mansfield£55 - £105Lincoln£55 - £110Chesterfield£55 - £105Corby£55 - £110Kettering£55 - £115Loughborough£55 - £115Boston£50 - £100

Yorkshire

Leeds£60 - £120Sheffield£55 - £115Bradford£55 - £110Wakefield£55 - £110Doncaster£50 - £100Hull£50 - £100Rotherham£55 - £105Barnsley£50 - £100Huddersfield£55 - £110York£65 - £125Halifax£55 - £110Grimsby£50 - £100Scunthorpe£50 - £100Harrogate£65 - £130Scarborough£55 - £105

North West

Manchester£65 - £125Liverpool£55 - £115Wigan£55 - £105Wirral£55 - £110Stockport£60 - £120Bolton£55 - £110Sefton£55 - £110Salford£60 - £120Oldham£55 - £110Trafford£65 - £125Tameside£55 - £110Rochdale£55 - £105Warrington£60 - £120Bury£55 - £110St Helens£55 - £105Knowsley£55 - £105Preston£55 - £110Birkenhead£55 - £110Blackpool£50 - £100Blackburn£50 - £100Southport£55 - £115Chester£65 - £125Burnley£50 - £100Carlisle£55 - £105Crewe£55 - £110Widnes£55 - £105Runcorn£55 - £105Barrow-in-Furness£50 - £100Ellesmere Port£55 - £110Lancaster£55 - £110Macclesfield£65 - £125Chorley£55 - £110Leyland£55 - £105Kendal£55 - £115Fleetwood£50 - £100

North East

Newcastle upon Tyne£55 - £115Sunderland£55 - £105Gateshead£55 - £110Stockton-on-Tees£55 - £105Middlesbrough£50 - £100Darlington£55 - £105Hartlepool£50 - £100South Shields£55 - £105Durham£55 - £110North Shields£55 - £110Redcar£50 - £100

Wales

Cardiff£55 - £105Swansea£50 - £100Newport£50 - £100Wrexham£50 - £100Bridgend£50 - £100Merthyr Tydfil£50 - £95Pontypridd£50 - £100Llandudno£50 - £100Bangor£50 - £100Aberystwyth£50 - £100

Scotland

Glasgow£55 - £110Edinburgh£65 - £130Aberdeen£55 - £115Dundee£55 - £105Paisley£50 - £100East Kilbride£55 - £105Inverness£55 - £110Livingston£55 - £115Dunfermline£55 - £105Hamilton£50 - £100Kirkcaldy£50 - £100Perth£55 - £110Ayr£50 - £100Stirling£55 - £115Falkirk£55 - £105

Northern Ireland

Belfast£50 - £100Derry£45 - £95Newtownabbey£50 - £100Craigavon£45 - £95Bangor (NI)£55 - £105Lisburn£50 - £100Ballymena£45 - £95Newry£50 - £95