Ball-valve replacement:
Radiator valve replacement (1st pair of valves) £64.00
Additional radiator valves each (Pair) £28.00 
Thermostatic radiator valve replacement (1st valve) £72.00
Additional thermostatic valves each £28.00
Central heating pump replacement £128.00
Pump isolating valves replacement including pump £166.00
Motorised 3port valve replacement ( 22mm) £144.00 
Motorised 3port valve replacement ( 28mm) £156.00
Motorised 2port valve replacement (22mm) £134.00
Motorised 2port valve replacement (28mm) £146.00
Room thermostat replacement £70.00
Wireless programmable room thermostat installation £218.00
Heating and hot water programmer replacement £140.00
Powerflush (up to 10 radiators) £560.00 
Install Magnaclean filter £226.00
Radiator replacement from (prices vary according to size) £128.00
Boiler breakdowns ( Average cost of one off repair) £128.00
Boiler breakdowns (Simple solution no parts ie: reset etc.) £68.00
Boiler replacement from (subject to survey) £1,100.00
Full central heating installations from (subject to survey) £2,000.00