Image credits

We only use photos that are free to use commercially: public domain (CC0) images and photos under the Unsplash License. We thank the photographers below. Charts and diagrams on this site are our own and drawn from the sources named under each one.

Photo	By	Source	Licence	Used on
heat pump garden	alpha innotec	Unsplash	Unsplash License	Boiler Upgrade Scheme 2026
heat pump driveway	alpha innotec	Unsplash	Unsplash License	How much does a heat pump cost in the UK in 2026?
heat pump lawn	alpha innotec	Unsplash	Unsplash License	Heat pump running cost calculator
heat pump patio	alpha innotec	Unsplash	Unsplash License	0% VAT on heat pumps, solar and insulation ends on 31 March 2027
heat pump indoor unit	alpha innotec	Unsplash	Unsplash License	How to choose a heat pump installer
radiator valve	rawpixel	rawpixel	CC0 public domain	Heat pump vs gas boiler
timber cottage	rawpixel	rawpixel	CC0 public domain	£9,000 heat pump grant for oil and LPG homes
solar roof	rawpixel	rawpixel	CC0 public domain	How much do solar panels cost in the UK in 2026?, Solar panel calculator
frost pattern	Lukas	StockSnap	CC0 public domain	Do heat pumps work in cold weather? What the UK trial found
uk houses	The Voice of Hassocks	Wikimedia Commons	CC0 public domain	Energy price cap explained
victorian terrace	The Voice of Hassocks	Wikimedia Commons	CC0 public domain	Will a heat pump work in an old house?
solar brick house	Vivint Solar	Unsplash	Unsplash License	Smart Export Guarantee rates 2026
hot water cylinders	alpha innotec	Unsplash	Unsplash License	Can you get a heat pump if you have a combi boiler?
thermostat hands	Arthur Lambillotte	Unsplash	Unsplash License	How to cut your energy bills this winter
gas meter	Arthur Lambillotte	Unsplash	Unsplash License	Why is my energy bill so high? 9 things to check
electricity meters	Jon Moore	Unsplash	Unsplash License	Fixed vs variable energy tariff
attic insulation	Brett Jordan	Unsplash	Unsplash License	Warm Homes Plan explained
solar panel tilted	Caspar Rae	Unsplash	Unsplash License	Solar panel grants in 2026

If you believe an image is used incorrectly, please contact us and we will fix it promptly.