Solar/battery aren’t reflected in the energy costs from the heatpump monitoring and subject to their own payback periods so I wouldn’t include tbh.
https://emoncms.org/app/view?name=Altherma&readkey=dfb6fbf82b5eb4f396ba1e8acb146d66
£8328 for UFH install
£13476 for HP ( £8860 HP/labour, £2250 cylinder, £2200 upstairs rads )
-£5000 BUS
-£2000 Barclays Greener Home Reward
3.76p/kWh on Agile
SPF: 4.05