http://www.legislation.gov.uk/ukpga/1993/28/section/3Leasehold Reform, Housing and Urban Development Act 1993An Act to confer rights to collective enfranchisement and lease renewal on tenants of flats; to make further provision with respect to enfranchisement by tenants of houses; to make provision for auditing the management, by landlords or other persons, of residential property and for the approval of codes of practice relating thereto; to amend Parts III and IV of the Landlord and Tenant Act 1987; to confer jurisdiction on leasehold valuation tribunals as respects Crown land; to make provision for rendering void agreements preventing the occupation of leasehold property by persons with mental disorders; to amend Parts II, IV and V of the Housing Act 1985, Schedule 2 to the Housing Associations Act 1985, Parts I and III and sections 248 and 299 of the Housing (Scotland) Act 1987, Part III of the Housing Act 1988, and Part VI of the Local Government and Housing Act 1989; to make provision with respect to certain disposals requiring consent under Part II of the Housing Act 1985, including provision for the payment of a levy; to alter the basis of certain contributions by the Secretary of State under section 569 of that Act; to establish and confer functions on a body to replace the English Industrial Estates Corporation and to be known as the Urban Regeneration Agency; to provide for the designation of certain urban and other areas and to make provision as to the effect of such designation; to amend section 23 of the Land Compensation Act 1961, section 98 of the Local Government, Planning and Land Act 1980 and section 27 of the Housing and Planning Act 1986; to make further provision with respect to urban development corporations and urban development areas; and for connected purposes.1993-07-20texttext/xmlenStatute Law Database2025-05-23Expert Participation2025-05-19 Part I LANDLORD AND TENANTChapter I COLLECTIVE ENFRANCHISEMENT IN CASE OF TENANTS OF FLATS Preliminary Premises to which this Chapter applies.31Subject to section 4, this Chapter applies to any premises if—athey consist of a self-contained building or part of a building . . .;bthey contain two or more flats held by qualifying tenants; andcthe total number of flats held by such tenants is not less than two-thirds of the total number of flats contained in the premises.2For the purposes of this section a building is a self-contained building if it is structurally detached, and a part of a building is a self-contained part of a building if—ait constitutes a vertical division of the building and the structure of the building is such that that part could be redeveloped independently of the remainder of the building; andbthe relevant services provided for occupiers of that part either—iare provided independently of the relevant services provided for occupiers of the remainder of the building, oriicould be so provided without involving the carrying out of any works likely to result in a significant interruption in the provision of any such services for occupiers of the remainder of the building;and for this purpose “relevant services” means services provided by means of pipes, cables or other fixed installations.Words in s. 3(1)(a) repealed (1.10.1996) by 1996 c. 52, ss. 107(1), 227, Sch. 19 Pt.V; S.I. 1996/2212, art. 2(2) (with savings in Sch.)Pt. 1 Ch. 1: power to amend conferred (20.1.2007) by Companies Act 2006 (c. 46), ss. 1181(1)(a), 1300(2); S.I. 2006/3428, art. 3(3) (with arts. 6, 8(2))