Boiler Replacement Cost UK (2026)
UK national average£1,800 – £3,500per boiler installed · typical duration 1–2 days
Boiler Replacement in the UK typically costs £1,800–£3,500per boiler installed 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
- Supply of the new boiler unit
- Removal and safe disposal of the old boiler
- Gas Safe certification (CP12)
- Building Regulations notification
- Manufacturer warranty registration (typically 7–10 years)
- System commissioning and homeowner handover
What affects the price
- Boiler make and model (Worcester Bosch, Vaillant, Ideal)
- Combi vs system vs regular boiler choice
- Whether the flue and pipework need relocating
- System power flush if the existing radiators are heavily sludged
- Gas Safe engineer day rates in your area
- Whether a magnetic filter and smart thermostat are included
Boiler Replacement prices by UK location
London
London£2,430 – £4,725Barnet£2,195 – £4,270Croydon£2,070 – £4,025Ealing£2,195 – £4,270Bromley£2,125 – £4,130Enfield£2,070 – £4,025Brent£2,195 – £4,270Wandsworth£2,340 – £4,550Tower Hamlets£2,305 – £4,480Southwark£2,340 – £4,550Lambeth£2,305 – £4,480Lewisham£2,160 – £4,200Hillingdon£2,125 – £4,130Redbridge£2,070 – £4,025Hounslow£2,125 – £4,130Greenwich£2,195 – £4,270Hackney£2,305 – £4,480Waltham Forest£2,125 – £4,130Camden£2,430 – £4,725Haringey£2,195 – £4,270Westminster£2,520 – £4,900Harrow£2,160 – £4,200Bexley£2,070 – £4,025Islington£2,375 – £4,620Merton£2,195 – £4,270Sutton£2,070 – £4,025Richmond upon Thames£2,305 – £4,480Hammersmith£2,375 – £4,620Kingston upon Thames£2,195 – £4,270Ilford£2,125 – £4,130Kensington£2,520 – £4,900Romford£2,070 – £4,025Wembley£2,195 – £4,270Fulham£2,430 – £4,725Orpington£2,070 – £4,025Uxbridge£2,125 – £4,130Twickenham£2,250 – £4,375Chelsea£2,555 – £4,970Stratford£2,250 – £4,375
South East
Brighton£2,160 – £4,200Southampton£1,945 – £3,780Portsmouth£1,890 – £3,675Reading£2,070 – £4,025Slough£2,070 – £4,025Oxford£2,250 – £4,375Isle of Wight£1,890 – £3,675High Wycombe£2,070 – £4,025Maidstone£1,945 – £3,780Crawley£2,015 – £3,920Worthing£1,890 – £3,675Basingstoke£1,980 – £3,850Gillingham£1,835 – £3,570Woking£2,160 – £4,200Eastbourne£1,835 – £3,570Hastings£1,710 – £3,325Hove£2,160 – £4,200Dartford£2,070 – £4,025Bracknell£2,070 – £4,025Gosport£1,765 – £3,430Chatham£1,800 – £3,500Guildford£2,195 – £4,270Ashford£1,890 – £3,675Aylesbury£1,980 – £3,850Maidenhead£2,160 – £4,200Redhill£2,125 – £4,130Farnborough£2,070 – £4,025Bognor Regis£1,765 – £3,430Sittingbourne£1,800 – £3,500Margate£1,655 – £3,220Tunbridge Wells£2,125 – £4,130Canterbury£1,890 – £3,675Banbury£1,890 – £3,675Eastleigh£1,890 – £3,675Horsham£2,070 – £4,025Andover£1,890 – £3,675Folkestone£1,765 – £3,430Wokingham£2,160 – £4,200Havant£1,835 – £3,570Winchester£2,160 – £4,200Newbury£2,070 – £4,025Fareham£1,890 – £3,675Ramsgate£1,620 – £3,150Camberley£2,015 – £3,920Aldershot£1,980 – £3,850Windsor£2,195 – £4,270Epsom£2,195 – £4,270Burgess Hill£1,980 – £3,850Dover£1,765 – £3,430Haywards Heath£2,070 – £4,025Sevenoaks£2,250 – £4,375Chichester£2,070 – £4,025
East of England
Milton Keynes£1,980 – £3,850Luton£2,070 – £4,025Peterborough£1,710 – £3,325Colchester£1,835 – £3,570Basildon£1,945 – £3,780Southend-on-Sea£1,890 – £3,675Cambridge£2,160 – £4,200Ipswich£1,710 – £3,325Norwich£1,710 – £3,325Chelmsford£2,015 – £3,920Bedford£1,890 – £3,675Watford£2,125 – £4,130Hemel Hempstead£2,070 – £4,025Harlow£1,980 – £3,850Stevenage£1,980 – £3,850St Albans£2,195 – £4,270Lowestoft£1,585 – £3,080Great Yarmouth£1,530 – £2,975Cheshunt£2,125 – £4,130Welwyn Garden City£2,070 – £4,025Braintree£1,890 – £3,675King's Lynn£1,585 – £3,080Bury St Edmunds£1,835 – £3,570Hatfield£2,015 – £3,920
South West
Bristol£2,070 – £4,025Plymouth£1,710 – £3,325Bournemouth£1,890 – £3,675Swindon£1,800 – £3,500Poole£1,890 – £3,675Exeter£1,890 – £3,675Gloucester£1,765 – £3,430Cheltenham£1,980 – £3,850Bath£2,160 – £4,200Weston-super-Mare£1,710 – £3,325Taunton£1,765 – £3,430Torquay£1,710 – £3,325Weymouth£1,710 – £3,325Paignton£1,655 – £3,220Yeovil£1,710 – £3,325Salisbury£1,890 – £3,675Barnstaple£1,655 – £3,220Penzance£1,655 – £3,220Dorchester£1,800 – £3,500St Austell£1,620 – £3,150Truro£1,765 – £3,430
West Midlands
Birmingham£1,800 – £3,500Coventry£1,765 – £3,430Sandwell£1,710 – £3,325Dudley£1,710 – £3,325Walsall£1,710 – £3,325Wolverhampton£1,710 – £3,325Stoke-on-Trent£1,585 – £3,080Solihull£1,890 – £3,675Telford£1,655 – £3,220Worcester£1,765 – £3,430Redditch£1,710 – £3,325Nuneaton£1,710 – £3,325Shrewsbury£1,710 – £3,325Stafford£1,655 – £3,220Hereford£1,710 – £3,325Kidderminster£1,655 – £3,220Leamington Spa£1,945 – £3,780Warwick£1,890 – £3,675Stratford-upon-Avon£1,945 – £3,780
East Midlands
Yorkshire
Leeds£1,800 – £3,500Sheffield£1,710 – £3,325Bradford£1,620 – £3,150Wakefield£1,655 – £3,220Doncaster£1,530 – £2,975Hull£1,475 – £2,870Rotherham£1,585 – £3,080Barnsley£1,530 – £2,975Huddersfield£1,655 – £3,220York£1,890 – £3,675Halifax£1,620 – £3,150Grimsby£1,475 – £2,870Scunthorpe£1,475 – £2,870Harrogate£1,980 – £3,850Scarborough£1,585 – £3,080
North West
Manchester£1,890 – £3,675Liverpool£1,710 – £3,325Wigan£1,585 – £3,080Wirral£1,655 – £3,220Stockport£1,800 – £3,500Bolton£1,620 – £3,150Sefton£1,655 – £3,220Salford£1,800 – £3,500Oldham£1,620 – £3,150Trafford£1,890 – £3,675Tameside£1,620 – £3,150Rochdale£1,585 – £3,080Warrington£1,765 – £3,430Bury£1,655 – £3,220St Helens£1,585 – £3,080Knowsley£1,585 – £3,080Preston£1,655 – £3,220Birkenhead£1,620 – £3,150Blackpool£1,530 – £2,975Blackburn£1,530 – £2,975Southport£1,710 – £3,325Chester£1,890 – £3,675Burnley£1,475 – £2,870Carlisle£1,585 – £3,080Crewe£1,655 – £3,220Widnes£1,585 – £3,080Runcorn£1,585 – £3,080Barrow-in-Furness£1,530 – £2,975Ellesmere Port£1,620 – £3,150Lancaster£1,655 – £3,220Macclesfield£1,890 – £3,675Chorley£1,620 – £3,150Leyland£1,585 – £3,080Kendal£1,710 – £3,325Fleetwood£1,475 – £2,870
North East
Wales
Scotland
Glasgow£1,620 – £3,150Edinburgh£1,980 – £3,850Aberdeen£1,710 – £3,325Dundee£1,585 – £3,080Paisley£1,530 – £2,975East Kilbride£1,585 – £3,080Inverness£1,655 – £3,220Livingston£1,710 – £3,325Dunfermline£1,585 – £3,080Hamilton£1,530 – £2,975Kirkcaldy£1,530 – £2,975Perth£1,655 – £3,220Ayr£1,530 – £2,975Stirling£1,710 – £3,325Falkirk£1,585 – £3,080