Thanks for that, I think that is the thing.
I think I'm going to get someone out to have a look and see what they think as it probably shouldn't be getting that hot. (it was quite severe over a significantly sized area)
Sorry about that (I was more just looking for the name of something I can stick under there to reflect the heat and if its safe to do that)
Its a Baxi Solo 3 PFL 30, the clearance is 130mm (the manual recomends 55mm on top according to the PDF I have just checked), it was serviced about 8...
I have an old non-combi boiler, which is installed under a worktop in the kitchen (its a rear flued boiler)..
I removed the old worksurface and fitted a new one yesterday... and only realised after doing it that the old one (as I was cutting it up) was blackened and scorched above the...