Do you sub-let a room in your house to a lodger? Having income from property normally means you need to consider your tax position, tell HMRC about it and possibly pay extra tax if you make a profit. If you sub-let a furnished room in your own home to a lodger, you may be able to benefit from the ‘rent a room’ scheme. Income from renting out a room to a lodger may qualify for ‘rent-a-room relief’, if: your gross rent-a-room income does not exceed £7,500, 2017/18 (£4,250 up to