Leasehold Reform (Ground Rent) Bill [Lords]

I am very encouraged to hear that my right hon. Friend is so forward-looking on this matter. May I ask him to explain to the House how one rather backward step took place some months ago, which was the allowing of it to become routine that additional storeys could be added to existing blocks of flats? I have lived through that experience and found not only that it is terrible to have a floor inserted above you, but that when things go horribly wrong with the construction and the company goes bust or winds itself up, it is the leaseholders who have to pay thousands upon thousands of pounds to put right the faults. Would he not like to revisit that change that was made and perhaps suggest that it ought to be looked at again?