@sumudu @matigo My wife invited another man round earlier. While I was still in the house.
To prepare a quote for replacing 2 radiators; one in the living room just under the window, it's got a chip halfway across the middle and about a quarter of the way up. Well, just short of halfway of viewed upright from the last hand side.
The other radiator is in the 'master' bedroom, again just under the window, significantly shorter but with a nearly stripped bleed port thread.
Interestingly, both are painted the same colour, or at least a close approximation based on a casual viewing.
Apparently, the exact size of radiator is no longer made, so we must accept a metric replacement which is slightly smaller.
The feed and return pipes seem