Thanks for the swift reply Andy Gasman much appreciated
He explained the differnt types of boilers and quoted around about £1800 to supply and fit a new worchester green star condensing 30S1 boiler which he beleived to be the best type with glow worm middle road and then some cheaper makes...
I have been advised that my heat exchanger for a glow worm compact 75p combi boiler is leaking and needs replacing. Does anyone please know the part number for this particular model. i have been quoted around £350 plus vat and about £100 to install, is that around about right or could i get it...