My hon. Friend is absolutely right. When the Liberal Democrats originally started discussing a mansion tax, it was to be levied on homes worth £1 million, and when everyone complained about fiscal drag, stamp duty and the like, it was increased to £2 million. What is
most interesting is that if the Liberal Democrats use that extra money for the perfectly laudable objective of increasing the personal tax allowance still further, there is a black hole of something like £6 billion in their spending plans, so they would have to increase the net of their mansion tax. The lesson from stamp duty that the Labour party has offered us, which the Liberal Democrats ignore and which Conservatives must take on board, is that what starts out as a tax on the rich always ends up—I will use the word my hon. Friend used—clobbering the middle classes. That is the stark reality that we must guard against.
Stamp duty should be abolished for homes under £500,000 and the remaining thresholds should be indexed to house price inflation in primary legislation. It would be a dynamic tax cut that would probably—it can never be guaranteed—raise additional revenue. I set out in a report for the Centre for Policy Studies how we could fund the change up front by cutting back on the waste mentioned by my hon. Friend. Extra revenue could be raised while a major economic and social issue is dealt with.
Stamp duty has morphed into a vindictive stealth tax on aspirational Britain. It distorts the housing market. It warps labour mobility. It penalises savers. It wallops those on relatively low and middle incomes. The case for reform is overwhelming.
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