Few areas of property law have generated as much opposition or debate as enfranchisement. Referring to the compulsory purchase of a landlord’s estate, it is unique in being the only legal means by which a tenant can do that anywhere in the world. Of course, London is unique in the way that its richest areas are owned by aristocratic landlords, but in the 40 years following its introduction, what effect has it had on the freeholders? Andrew Teacher finds out.