Thank you Charnwood. Qui docet discit - great quote - every time I prepare lessons, it is a learning experience.
JohnD, many thanks to you too.
GavThePlumber, the problem I was having (and I am not sure yet whether it has been solved - I'll turn on the heating later this evening and...
I have read that TRVs should not be fitted in the room where the room thermostat is located because it creates conflict. Unfortunately, every radiator in my house is fitted with a TRV. I have now removed the head from the TRV where the room stat is located (in the hall), hoping that I will not...