Cheers Bripl - caretaker/managing agent won't allow anyone into the plant room...(unless you submit a written proposal signed by a professional and then they get their own engineer to assess it for a price). :( No freezing then - I guess we bought in the wrong block. Thanks for trying though...
Many thanks to both of you. The problem started because there are no isolating valves to the flat. Unbelievably enough we cannot even turn off the cold water in the bathroom and the pipes had to be frozen to remove the old sink! We don't know why the rad valves are not working: they do turn...
Perhaps you should get a second opinion from your postman, or the newsagent on the corner. Of course if you really get desperate you could try asking a heating engineer.
Cheers for the suggestion but 'never assume anything': the person I've called 'bathroom installer' is actually a...
We've just moved into an 1930s block of flats with a central heating system. All rads are on full blast and cannot be turned down/off. The valves turn in both directions (on/off in theory) but the rads remain boiling at all times and the flat is unbearably hot. A bathroom installer has had a...