Been given a few quotes, as follows:
Worcester Bosch 28i Greenstar - £1650 with 2 year warranty
WB 30 si £1770
WB 37 CDI £2020
all with a 2 year warranty
Glowworm flexi com CXI 30kw - £1650
Glowworm flexi com CXI 35kw - £1770
with a 5 year warranty.
The fella says Glowworm...