I was about to assure the hon. Lady that we are very engaged with the Treasury and that we have productive discussions on those matters, but we must defer to the Treasury, particularly on that.

We believe that a large proportion of the Opposition amendments have been largely superseded by Government amendments. We propose to remove clauses 39, 40 and 41, relating to the review and current provisions for domestic energy efficiency regulations, and replace them with a domestic energy efficiency standard. However, the provisions go further. As to the date, we are creating certainty. We need to give landlords time to prepare. We cannot bring the date further forward than proposed, as in new clause 24, but we think that the amendments we have tabled will create an even more robust framework, and deliver the regulatory certainty that will drive—