Every installation is different, but here are a few examples you can compare

	Biggar	Glenfarg	Madderty	Peterculter
Type of house	Detached	Detached	Detached	Terrace
Age of house	15 years	New build	20 years	15 years
Number of bedrooms	3	4	5	5
Size	192m2	205m2	285m2	257m2
Heat pump choice	Air source Nibe 8kW ASHP	Air source Nibe 8kW ASHP	Ground source Nibe 12kw GSHP	Ground source Idm 15kW HGL
Install cost	£10,800	£9,500	£18,650	£24,950
Est funding	£10,000	£10,000	–	£10,000
Running cost	£1,041 per annum	£968 per annum	£1,250 per annum	£1,345 per annum
RHI income	£11,332	£11,332	£21,444	£28,933