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.

What's usually included

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