Power Flush Cost UK (2026)
UK national average£400 - £900per system · typical duration 4-8 hours
Power Flush in the UK typically costs £400-£900per system 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
- Chemical cleaner and neutraliser
- Flushing pump hire and operation
- Magnetic filter fit (in standard/complex)
- Fresh inhibitor dose
- Before-and-after readings
What affects the price
- Number of radiators on the system
- Severity of sludge and corrosion
- Whether a magnetic filter is fitted afterwards
- System size and property layout
Power Flush prices by UK location
London
London£540 - £1,215Barnet£490 - £1,100Croydon£460 - £1,035Ealing£490 - £1,100Bromley£470 - £1,060Enfield£460 - £1,035Brent£490 - £1,100Wandsworth£520 - £1,170Tower Hamlets£510 - £1,150Southwark£520 - £1,170Lambeth£510 - £1,150Lewisham£480 - £1,080Hillingdon£470 - £1,060Redbridge£460 - £1,035Hounslow£470 - £1,060Greenwich£490 - £1,100Hackney£510 - £1,150Waltham Forest£470 - £1,060Camden£540 - £1,215Haringey£490 - £1,100Westminster£560 - £1,260Harrow£480 - £1,080Bexley£460 - £1,035Islington£530 - £1,190Merton£490 - £1,100Sutton£460 - £1,035Richmond upon Thames£510 - £1,150Hammersmith£530 - £1,190Kingston upon Thames£490 - £1,100Ilford£470 - £1,060Kensington£560 - £1,260Romford£460 - £1,035Wembley£490 - £1,100Fulham£540 - £1,215Orpington£460 - £1,035Uxbridge£470 - £1,060Twickenham£500 - £1,125Chelsea£570 - £1,280Stratford£500 - £1,125
South East
Brighton£480 - £1,080Southampton£430 - £970Portsmouth£420 - £945Reading£460 - £1,035Slough£460 - £1,035Oxford£500 - £1,125Isle of Wight£420 - £945High Wycombe£460 - £1,035Maidstone£430 - £970Crawley£450 - £1,010Worthing£420 - £945Basingstoke£440 - £990Gillingham£410 - £920Woking£480 - £1,080Eastbourne£410 - £920Hastings£380 - £855Hove£480 - £1,080Dartford£460 - £1,035Bracknell£460 - £1,035Gosport£390 - £880Chatham£400 - £900Guildford£490 - £1,100Ashford£420 - £945Aylesbury£440 - £990Maidenhead£480 - £1,080Redhill£470 - £1,060Farnborough£460 - £1,035Bognor Regis£390 - £880Sittingbourne£400 - £900Margate£370 - £830Tunbridge Wells£470 - £1,060Canterbury£420 - £945Banbury£420 - £945Eastleigh£420 - £945Horsham£460 - £1,035Andover£420 - £945Folkestone£390 - £880Wokingham£480 - £1,080Havant£410 - £920Winchester£480 - £1,080Newbury£460 - £1,035Fareham£420 - £945Ramsgate£360 - £810Camberley£450 - £1,010Aldershot£440 - £990Windsor£490 - £1,100Epsom£490 - £1,100Burgess Hill£440 - £990Dover£390 - £880Haywards Heath£460 - £1,035Sevenoaks£500 - £1,125Chichester£460 - £1,035
East of England
Milton Keynes£440 - £990Luton£460 - £1,035Peterborough£380 - £855Colchester£410 - £920Basildon£430 - £970Southend-on-Sea£420 - £945Cambridge£480 - £1,080Ipswich£380 - £855Norwich£380 - £855Chelmsford£450 - £1,010Bedford£420 - £945Watford£470 - £1,060Hemel Hempstead£460 - £1,035Harlow£440 - £990Stevenage£440 - £990St Albans£490 - £1,100Lowestoft£350 - £790Great Yarmouth£340 - £765Cheshunt£470 - £1,060Welwyn Garden City£460 - £1,035Braintree£420 - £945King's Lynn£350 - £790Bury St Edmunds£410 - £920Hatfield£450 - £1,010
South West
Bristol£460 - £1,035Plymouth£380 - £855Bournemouth£420 - £945Swindon£400 - £900Poole£420 - £945Exeter£420 - £945Gloucester£390 - £880Cheltenham£440 - £990Bath£480 - £1,080Weston-super-Mare£380 - £855Taunton£390 - £880Torquay£380 - £855Weymouth£380 - £855Paignton£370 - £830Yeovil£380 - £855Salisbury£420 - £945Barnstaple£370 - £830Penzance£370 - £830Dorchester£400 - £900St Austell£360 - £810Truro£390 - £880
West Midlands
Birmingham£400 - £900Coventry£390 - £880Sandwell£380 - £855Dudley£380 - £855Walsall£380 - £855Wolverhampton£380 - £855Stoke-on-Trent£350 - £790Solihull£420 - £945Telford£370 - £830Worcester£390 - £880Redditch£380 - £855Nuneaton£380 - £855Shrewsbury£380 - £855Stafford£370 - £830Hereford£380 - £855Kidderminster£370 - £830Leamington Spa£430 - £970Warwick£420 - £945Stratford-upon-Avon£430 - £970
East Midlands
Yorkshire
North West
Manchester£420 - £945Liverpool£380 - £855Wigan£350 - £790Wirral£370 - £830Stockport£400 - £900Bolton£360 - £810Sefton£370 - £830Salford£400 - £900Oldham£360 - £810Trafford£420 - £945Tameside£360 - £810Rochdale£350 - £790Warrington£390 - £880Bury£370 - £830St Helens£350 - £790Knowsley£350 - £790Preston£370 - £830Birkenhead£360 - £810Blackpool£340 - £765Blackburn£340 - £765Southport£380 - £855Chester£420 - £945Burnley£330 - £740Carlisle£350 - £790Crewe£370 - £830Widnes£350 - £790Runcorn£350 - £790Barrow-in-Furness£340 - £765Ellesmere Port£360 - £810Lancaster£370 - £830Macclesfield£420 - £945Chorley£360 - £810Leyland£350 - £790Kendal£380 - £855Fleetwood£330 - £740