Dennis, The potential savings for gas are not really significant on such a small property. This is simply the reason I don't use them myself. A good quality electric central heating is set and forget, allows individual zoned control and discourages tenants to dry their clothes on the radiators, creating damp in the property.
Julia, good point.
I did check up on my exiting EPC and adding solar actually neglects the penalty for electric heating. Its a bit more expensive than a boiler, but not as much I thought. Plus I would feel much better knowing some of the generation would offset t