To ask the Secretary of State for Housing, Communities and Local Government, what estimate he has made of the cost of retrofitting new build properties to meet carbon zero standards.
This answer is the replacement for a previous holding answer.
5 February 2020
By 2025 the government will introduce a Future Homes Standard for new build homes to be?future proofed?with low carbon heating and world leading levels of energy efficiency. This means that from 2025 new homes will not need to be retrofitted to meet net zero.