Your editorial “Build homes, support families” (3 October) rightly focuses on those priced out of a home, whether to buy or rent. You cite supply problems – in land, planning, house-building, yet a previous editorial (24 May 2014) cited a problem of demand – wealthy buyers “bumping up prices for even the most modest of London homes”.Aren’t we ordinary members of the housing club also responsible? Haven’t we become property speculators – trading-up to maximise our investment, sitting tight in under-occupied houses, giving children “a helping hand”? Why? Because we are able to sell an ever-appreciating asset free of capital gains tax. Such a unique tax immunity can only stoke a price gradient. Who will grasp the tax nettle?&n