Doing a bit more investigation and apparently to get the best out of a heat pump I should be getting 20kwh of battery storage. Could cost about £3000-£4000 to achieve that from the 13kwh in the all-in-one Givenergy ?
Tesla now have a new Powerwall that has an inverter included but I think it will be far too expensive for me.
The only person who got all his work done by Friday was Robinson Crusoe.
Anything i post over three lines long please assume it is an article lol.