For those living in Brighton, Southampton, Portsmouth, Oxford, Basingstoke, Reading, Slough and Windsor or anywhere in the South East you can find the cost of replacing your central heating. We list some example prices from 2017 for central heating replacement installed by a Gas Safe registered heating installer. Prices may vary a little based on the current state of your old system.
As well as the examples below you can customise your own indicative estimate for the South East by using out replacement boiler cost online calculator.
Prices are for 2017.
Example A: Simple Combination boiler replacement plus TRVs
24kW condensing combination boiler
Adding Themostatic Radiator Valves (TRVs) to 6 radiators to improve temperature control in each individual room
Adding magnetic filter to radiator circuit to improve life of boiler and improve heating performance of radiators
Like for like position in home
Note: Assumes that condensate drain already in place and that gas supply pipe sufficient for 24kW boiler.
| Description | Price |
|---|---|
| 1 x Glow-worm Flexicom 24cx combination | £526.09 |
| 1 x Combination boiler installation: South East | £650.00 |
| 6 x Honeywell VT15 RADIATOR THERMOSTAT VALVE @ £11.66 | £69.96 |
| 6 x Install TRV @ £5.00 | £30.00 |
| 1 x Adey Magnaclean Professional Magnetic Cleaner 22mm | £76.66 |
| 1 x Install magnetic filtration | £25.00 |
| VAT at 20% | £275.54 |
| Total inc VAT | £1,653.25 |
central heating replacement cost southampton indicative estimate
Example B: Combination boiler replacement with upgrades to the system
30kW condensing combination boiler
Powerflush of 8 radiators to remove sludge and improve heating performance
Adding two new radiators with Thermostatic Radiator Valves (TRVs). Exact costs will depend on the size/style of radiator and the difficulty of accessing the existing heating pipes). Magnetic filter to extend boiler life
Like for like position in home
Note: Assumes that condensate drain already in place and that gas supply pipe sufficient for 30kW boiler.
| Description | Price |
|---|---|
| 1 x Worcester Bosch Greenstar 30Cdi Classic combination | £744.99 |
| 1 x Combination boiler installation: South East | £650.00 |
| 2 x Honeywell VT15 RADIATOR THERMOSTAT VALVE @ £11.66 | £23.32 |
| 2 x Install TRV @ £5.00 | £10.00 |
| 1 x Powerflush labour and materials | £250.00 |
| 1 x Adey Magnaclean Professional Magnetic Cleaner 22mm | £76.66 |
| 1 x Install magnetic filtration | £25.00 |
| 2 x Stelrad Softline Radiators P+ Double Panel Single Convector Rad 1000×600 @ £65.66 | £131.32 |
| 2 x Install standard radiator @ £70.00 | £140.00 |
| VAT at 20% | £410.26 |
| Total inc VAT | £2,461.55 |
central heating replacement cost oxford indicative estimate
Example C: Conventional (heat only) boiler replacement with addition of new radiators
24kW condensing heat only boiler
4 new radiators with TRVs (costs are indicative. Exact costs will depend on the size/style of radiator and the difficulty of accessing the existing heating pipes)
Powerflush of 8 existing radiators to remove sludge and improve heating performance
New programmer and wireless room thermostat
Like for like position in home
Note: Assumes that condensate drain already in place and that gas supply pipe is sufficient for 24kW boiler.
| Description | Price |
|---|---|
| 1 x Potterton Promax 24 he heat only | £600.00 |
| 1 x Conventional boiler installation: South East | £650.00 |
| 4 x Honeywell VT15 RADIATOR THERMOSTAT VALVE @ £11.66 | £46.64 |
| 4 x Install TRV @ £5.00 | £20.00 |
| 1 x Honeywell Sundial RF² Pack 2 Wireless Enabled Programmer and Thermostat | £125.84 |
| 1 x Install Programmer and Thermostat | £25.00 |
| 1 x Powerflush labour and materials | £250.00 |
| 1 x Adey Magnaclean Professional Magnetic Cleaner 22mm | £76.66 |
| 1 x Install magnetic filtration | £25.00 |
| 4 x Stelrad Softline Radiators P+ Double Panel Single Convector Rad 1000×600 @ £65.66 | £262.64 |
| 4 x Install standard radiator @ £70.00 | £280.00 |
| VAT at 20% | £472.36 |
| Total inc VAT | £2,834.14 |
central heating replacement cost reading indicative estimate
Locations covered for central heating replacement cost in the South East include:
Buckinghamshire: Aylesbury, Buckingham, High Wycombe, Milton Keynes, Slough, Vale, Chiltern, Iver
East and West Sussex: Chichester, Bognor Regis, Brighton, Crawley, Eastbourne, Hastings, Horsham, Worthing, Lewes, Horsham, Worthing, Battle, Bexhill on Sea, Crowborough, Hailsham, Heathfield, Hove, Newhaven, Polegate, Rye, Seaford, Uckfield, Wadhurst, Arundel, Bognor Regis, Burgess Hill, Cuckfield, East Grinstead, Haywards Heath, Littlehampton, Midhurst, Petworth, Selsey, Shoreham by Sea
Hampshire: Portsmouth, Southampton, Basingstoke, Bournemouth, Newport, Alton, Andover, Deane, East Hampshire, Eastleigh, Fareham, Gosport, Hart, Havant, Isle of Wight,New Forest, Rushmoor, Test Valley, Winchester
Kent: Maidstone, Canterbury, Bromley, Dover, Folkestone, Greenwich, Rochester Chatham, Dartford, Gravesham, Sevenoaks, Shepway, Swale, Thanet, Tonbridge and Malling, Tunbridge Wells
Oxfordshire: Oxford, Banbury, Bicester, Carterton, Henley-on-Thames, Thame, Witney, Cherwell, Abingdon, Charlbury, Chipping Norton, Didcot, Dorchester, Faringdon, Wallingford, Wantage, Woodstock
Surrey: Guildford, Brixton, Croydon, Egham, Farnham, Kingston upon Thames, Southwark, Sutton, Wandsworth, Wimbledon, Woking, Elmbridge, Epsom and Ewell, Mole Valley, Reigate and Banstead, Runnymede, Spelthorne, Surrey Heath, Tandridge, Waverley, Woking
Berkshire: Reading, Abingdon, Bracknell, Maidenhead, Newbury, Windsor, Wokingham, Bracknell, Crowthorne, Hungerford, Sandhurst, Thatcham
Unitary Authorities: Bracknell Forest, Medway, West Berkshire
See our example estimates for the East Midlands, East of England, London, South East, Wales, West Midlands
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