Now you need to go out and buy something which will act as the required "boiler interlock" so your new system complies with Building Regulations. Normally this is a programmer and thermostat, or a programmable thermostat.
If you don't meet the minimum standards laid down in the Domestic Heating Compliance Guide, you will not be able to get the system passed by Building Control. And if you do not have the correct paperwork for the system, you will have problems selling the property.
PS It is Worcester, not Wochester
