For too long, making homes greener has been seen as expensive and complicated. We wanted to challenge that assumption with hard evidence.
In 2025, we published The Green Home Bonus, a major piece of research reviewed by academics from the universities of Exeter, Leeds, and Stirling. It modelled what happens when a typical UK household invests in six green technologies: a heat pump, home insulation, solar panels, an EV lease, an EV home charger, and a smart meter.
The findings
The research showed that without green upgrades, households miss out on real, tangible savings.
5 years after investment, the typical household has already gained back all of the upfront cost and made a profit of just over £2,000. From that point onwards, the savings become pure profit. By year 10, households are nearly £20,000 better off. By year 15, the savings rise to over £37,000 – a clear return on investment that grows with time.
