Thanks for the reply. Had a look on british gas website. They are currently advertising HIVE for £199 but said that you need a central heating system which already has a thermostat installed. I'm am also not a British gas customer.
I have enquired about this and told them about my set up so...
I have an oldish combi boiler (Worcester 24i) which never had a room thermostat when I moved in and I am currently relying on the thermostatic radiator valves for controling the temp.
I am interested in buying the Salus iT500 WiFi enabled thermostat/programer and was wondering if it would be...