If your property is a house in multiple occupation of any kind then you must have a five yearly electrical inspections carried out by a competent electrician even if you do not need a licence.
This will cover shared houses, flats in multiple occupation, bedsits, hostels and certain converted blocks of flats. These are blocks of flats which are not converted in compliance with 1991 (or later) building regulations and less two/thirds of the flats in the block are owner/owned.