The colour of money | Features

It’s payback time – The costs of going green
	Typical extra cost per home	Typical payback period in years
Install high-efficiency condensing gas boiler	£170	3
Improve insulation by 20%	£200	4
Energy provision by combined heat and power plant	£1000	15
Solar waterheating	£2000	18
Water-saving devices around the home	£120	25
Generate electricity using wind turbines	£3500	40
Generate electricity using photovoltaic panels	£5000	120
Greywater recycling (recycling washing water to flush toilets)	£1800	No payback
source: Richard Hodkinson Consultancy