Warmth and therefore joy are back, thanks to a sympathique, efficient, careful and knowledgeable young Polish-German heating engineer I had the good fortune to chance upon.
He instantly identified the problems (one
of which, embarassingly, was spent batteries in the thermostat) and
dealt with them all, no hanging about, in less than an hour, for a
Home is toasty warm now and tonight I'll sleep
gratefully, sending sweet dreams to all our fellow Europeans.