Stock image. Heat pumps work by extracting heat from the air or ground outside a building to evaporate a liquid, which is then put through a compressor to heat up the gas (Credit: Shutterstock)
New homes will have to produce ‘around 30%’ less carbon dioxide under rules announced by the government today (15 December).

Low-carbon technology – such as solar panels and heat pumps – and more efficient use of materials will help achieve the reductions, the government said.
Heating and powering buildings currently makes up 40% of the UK’s total energy use. Under the new regulations, CO2 emissions from new build homes must be around 30% lower than current standards, and emissions from other new buildings, including offices and shops, must be reduced by 27%.
The changes to the government’s building regulations, which will come into effect in July 2022, will lower the cost of energy bills and help deliver the UK’s climate change ambitions, an announcement said.
Housing minister Eddie Hughes said: “Climate change is the greatest threat we face and we must act to protect our precious planet for future generations. The government is doing everything it can to deliver net zero, and slashing CO2 emissions from homes and buildings is vital to achieving this commitment.
“The changes will significantly improve the energy efficiency of the buildings where we live, work and spend our free time, and are an important step on our country’s journey towards a cleaner, greener built environment.”
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