Nice, I filled the form and supplied them with the required photos.
Just moved to Somerset and the 20yo boiler might need replacing soon anyway. Also removing the boiler would open up a whole wall in the utility room as it's situated bang in the middle of the said wall.
I know there was some heat pump chat last week, British Gas entering the market with 5 years interest free credit
https://www.britishgas.co.uk/home-services/boilers-and-heating/air-source-heat-pumps.html