My Lords, I will continue. The 12-month relief will provide a breathing space for the investment to start to generate returns before business rates have to be paid. I know that some feel that 12 months is not long enough to incentivise the types of major refurbishment and improvement often made to properties by landlords and developers. However, as I explained to the House at Second Reading, this relief is designed to help occupiers make improvements to their existing premises rather than subsidising general commercial property development.
The noble Baroness, Lady Hayman of Ullock, asked what “occupied” meant. We already have a current discretionary heat network scheme that we have worked up with full guidance in partnership with the heat network sector and local government. That guidance is already published. Once the Bill receives Royal Assent, we intend to translate that guidance into regulations and to make those in good time to ensure a seamless transition between the current discretionary scheme and the new mandatory scheme. I suggest that noble Lords look now at the guidance as it will make it clear what will go forward. In the meantime, we will work with the heat network sector on the regulations in case they need any tweaking.
Nevertheless, as this is a new relief, it is right that the Government evaluate whether it is working and delivers value for money. Therefore, the Bill as currently drafted includes powers to extend the duration of the improvement relief and in 2028 the Government will review the scheme. That will be the appropriate time to consider whether to continue with the scheme and
how effectively the relief is operating. As part of that review, we will consider whether 12 months remains the correct duration for the relief. We have, however, allowed for a longer period of relief for low-carbon heat networks, given the particular role that they play in reducing our dependence on natural gas. That relief runs until 2035. Amendment 5, from the noble Baronesses, Lady Hayman and Lady Pinnock, would extend that to 2050. As with improvement relief, we have to balance the need for support with maintaining the services funded from the tax, as I have said. The end date in the Bill aligns with our ambition to phase out new natural gas boilers by 2035. By that date, new low-carbon heat networks will no longer have to compete with natural gas alternatives. Under those circumstances, we hope that the relief will no longer be necessary and, therefore, 2035 will be the right time to end the relief. However, as with the improvement relief, we will keep this under review and the Bill includes powers for us to extend the 2035 date, if it is necessary at the time.
I hope I have given noble Lords the explanations and assurances that they were seeking and that the noble Lord is able to consider withdrawing his amendment.