Planning use classes in England and Wales

Planning use classes are the legal framework which determines what a particular property may be used for by its lawful occupants. In England and Wales, these are contained within the text of Town and Country Planning (Use Classes) Order 1987 (Statutory Instrument 1987 No. 764).
The use classes were reformed in September 2020. The 1987 use classes were replaced by the new use classes introduced in the Town and Country Planning (Use Classes) (Amendment) (England) Regulations 2020. The following use classes were replaced by the new Use Class E - Commercial, Business and Service:
The Town and Country Planning (Use Classes) Order 1987 came into force on 1 June 1987, replacing the previous 1972 and 1983 versions. It defines the possible uses of a site, with “site” meaning “the whole area of land within a single unit of occupation”. The legislation is particularly relevant for those looking to buy, lease, rent or otherwise occupy commercial property. The vast majority of property in England will have had its permissible uses already assigned by its local authority.
The classes of potential uses are divided into groups. For example, the uses falling under Part A are types of professional service provided to the public and business communities, including the sale of goods or service in shops. Each part is further divided into sub-groups, which each then contains the specific uses the law is actually concerned with. Each of the subgroups is assigned a letter (from A to D) and a number, creating for example a 'Class A1 Use', a 'Class B3 Use', etc.
Each Class is used by the Local Planning Authority to allow them to create a suitable balance between residential areas and those for business purposes. They have the authority to effectively prohibit a 'use' which would be inadvisable due to a particular property's location or other relevant considerations. The aim is to prevent types of business activities taking place which would have a detrimental effect on the local community. A hypothetical example might be to veto the location of a proposed heavy metal works or all night club beside a school or housing estate. The following information represents a brief summary of the property classes of use.
Not every use of building is assigned a class under this legislation. Examples of these include theatres, scrap yards, petrol stations, nightclubs, and casinos, and these are known as sui generis uses.
This heading is further sub-divided into a variety of everyday commercial uses.
For those within Class A1, the customers in all cases should be “visiting members of the general public”. Property in this area could include:
Class A2 moves on to cover “financial and professional services”. Again, these must be offered to the general public. This time, the specification is that “principally” the clients or customers of these types of businesses will again be visiting the premises:
Class A3 consists of one use, namely premises which are to sell “Food and drink”, either to be consumed on site, or on or offsite in the case of hot food. This includes restaurants and cafes.
Drinking establishments such as public houses, wine bars or other such establishments.
For the sale of hot food intended for consumption off the premises.
This class covers many common business activities, and is prefaced by the provision for “all or any of” the activities described in Class B1:
B1(a): Offices – except those already mentioned within Class A2.
B1(b): Premises for Research and Development
B1(c): Industrial processes which “can” take place within a residential area without damaging the “amenity of that area”
Since these classes are described in quite general terms, professional advice is advisable before proceeding with negotiations to occupy commercial premises. As the remaining Classes in Part B continue, the uses begin to relate to increasingly specific industrial processes.
General Industrial Use for the use of carrying on an industrial process other than one falling within class B1 and they may not be correct.
Applies to properties which are used “for storage or as a distribution centre”
Class C1 deals with hotels, boarding houses and guest houses which do not offer care as part of their services.
Residential institutions - Residential care homes, hospitals, nursing homes, boarding schools, residential colleges and training centres.
Class C3 addresses use as a “dwelling house”, as a principal or secondary residence. The classifications were updated in 2010 aligning the definitions of usage C3(a) (“single household”) and C4 ("house in multiple occupation") with those in the Housing Act 2004.
This class is formed of 3 parts:
C3(a): those living together as a single household as defined by the Housing Act 2004, what could be construed as a family.
C3(b): up to six people living together as a single household and receiving care e.g. supported housing schemes such as those for people with learning disabilities or mental health problems.
C3(c): allows for groups of people (up to six) living together as a single household. This allows for those groupings that do not fall within the C4 HMO definition, but which fell within the previous C3 use class, to be provided for i.e. a small religious community may fall into this section as could a homeowner who is living with a lodger.
Houses in multiple occupation – small shared houses occupied by between three and six unrelated individuals, as their only or main residence, who share basic amenities such as a kitchen or bathroom.
Large houses in multiple occupation - with more than 6 people sharing are unclassified by the Use Classes Order. In planning terms they are described as being sui generis. In consequence, a planning application will be required for a change of use from a dwellinghouse to a large house in multiple occupation or from a Class C4 house in multiple occupation to a large house in multiple occupation where a material change of use is considered to have taken place.
A number of authorities have issued Article 4 Directions to remove the right to carry out a conversion from C3 to C4 as permitted developments. This has the effect of requiring planning permission for any change of usage from a "dwelling house" to a "house in multiple occupation". For example, Nottingham City Council requires planning permission for any conversion of a family dwelling to an HMO in the Nottingham area.
Class D1 covers many ‘public’ services (which do not fall under Class A): These are mostly F1 or F2 as of 2021
Class D is revoked from 1 September 2020.
Class D2 used to address the use of premises for entertainment and leisure purposes:
Certain uses are specifically defined as Sui Generis by legislation, whereas other uses land in the sui generis category when they fall outside of the defined limits of other use classes.
Prior to the Town and Country Planning (Use Classes) (Amendment) (England) Regulations 2020 changes, the following uses were defined as Sui Generis:
As of 1 September 2020, the following uses were added as Sui Generis: