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Dutch study flags nearly €3,000 annual savings for sustainable UK homes

New research shows the gap between efficient and inefficient homes is widening fast, with heat pumps and EVs among the biggest levers.

12 September 2026 · Eleanor Whitfield · Fuse Energy

UK energy prices stay volatile

Ofgem’s price cap still leaves households exposed to global swings and policy changes. The average home uses 2,500 kWh of electricity and 9,500 kWh of gas a year, so even small efficiency gains matter when bills stay high.

The widening cost gap

A CE Delft study for Energie Nederland and NVDE found households that make homes and vehicles more sustainable could save around €3,000 a year. A midsize home with a heat pump could run about €1,600 cheaper annually than a less efficient equivalent. The same research put annual savings from switching to an electric vehicle at around €1,300.

“If you still have no plans to cut your energy costs by making your home more sustainable, it is going to cost you serious money.”
— Olof van der Gaag, Chairman of the NVDE

As we noted in our recent piece on how your sofa might be driving up heating bills, everyday tweaks already help, but bigger upgrades deliver the real difference.

What households can do

Simple habits such as turning off unused appliances, lowering the thermostat by one degree and running full loads in the washing machine cut costs immediately. Smart meters and thermostats give clearer usage data and better control.

Longer term, loft and wall insulation, draught-proofing and heat pumps repay themselves faster when paired with the Boiler Upgrade Scheme grant. We list current deals and grants on our energy pages so you can compare offers side by side.

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