I see no justification for an exemption of capital gain tax on primary residence. Well, maybe if you get a "rollover" relief - but otherwise, such a tax would

I see no justification for an exemption of capital gain tax on primary residence. Well, maybe if you get a "rollover" relief - but otherwise, such a tax would significantly lower the velocity of the property market (which is already suffering, not least because of a similar tax - stamp duty).