My Lords, I thank the noble Baroness, Lady Parminter, for moving this amendment in group 24, and the noble Lord, Lord Beecham, for speaking to it.
First, I will set the context, which is partly the Paris climate change agreement. To take credit for it, it was of course concluded at a time when there was a Conservative rather than a coalition Government—although, to be fair, it was supported by all parties. It was a step forward, and we worked closely with many countries, not least in Europe. From the outset, I remind noble Lords that the standards for new homes were strengthened by 30% in the last Parliament, when there was a coalition Government, saving £200 on energy bills compared to standards before 2010, when there was a Labour Government. To meet those standards, homes will have A-rated condensing boilers, double-glazed windows with low-energy glass, and high levels of insulation and air tightness in their construction—they are very energy-efficient homes.
A very similar amendment was debated at length during the passage of last year’s Housing and Planning Act. That Act placed a duty on the Secretary of State to undertake a review—to which reference has been made—of energy performance standards for new homes under Section 2C of the Building Act 1984. We have commenced costings analysis to underpin this review, and our aim is to publish the final review in the summer. It aims to identify what improvements are cost-effective and feasible for new homes. We plan to extend it to cover non-domestic buildings and work to existing buildings, seeking further potential reductions in carbon emissions and fuel bills. The noble Baroness asked about progress in meeting our climate change targets. Obviously, domestic compliance and measures are important, but it is not limited to them; hence we have extended it to other buildings, for example. Transport also makes a significant difference to emissions, so the Inter-Ministerial Group on Transport and looking at what we can do with regard to electric cars is significant. There have been massive changes in California in particular, which the Government have taken note of and are progressing, because that will make a significant difference.
Over recent years, reduced costs of technologies and energy efficiency measures, such as solar panels, were discussed in detail in last year’s debates. I emphasise that it is important that we consider only the very latest information and data on costs—that is crucial. The carbon compliance standards proposed in this clause are, so far as I can see, not based on the latest data—I think some of them are some six years old—although I appreciate that that can be looked at.
Obviously, we are looking at all these issues in the round. To prescribe standards without up-to-date information would be difficult. I can confirm that changes to the building regulations flowing from the upcoming review will be subject to a full consultation. That will include draft technical guidance on how to meet the changes, which will cover all homes from detached houses to high-rise flats. The noble Baroness asked specifically whether local authorities are able to set higher standards than the national ones, and I can confirm that they are able to do just that.
The new clause also proposes putting in place new powers in the planning regime to set the carbon compliance standards. This is unnecessary, as there are already powers to set such standards through the building regulations. I appreciate and understand that the noble Baroness said that this is a probing amendment, but the powers are already there. Also, the technical expertise to ascertain whether a building meets a particular energy performance or carbon compliance standard already exists in building control bodies. However, this technical knowledge is unlikely to be available within a planning department. Our position is that minimum energy performance standards should be set through the building regulations, with compliance being demonstrated through building control bodies. That is what we are looking at.
I hope I have reassured noble Lords that the proposed clause is unnecessary, although I appreciate that this was a probing amendment in the understanding that the review is moving. The review will use the latest costs and evidence, and any cost-effective changes proposed will be workable for all home types, across the range. I am happy to share information on the review with noble Lords at appropriate points as we take it forward, if that is helpful. On that basis, I therefore ask the noble Baroness to withdraw the amendment.