Glossary definition
Sui Generis
A planning classification meaning 'of its own kind,' used for property uses that do not fall within any of the standard use classes defined by the Town and Country Planning (Use Classes) Order 1987. Examples of sui generis uses include petrol stations, theatres, nightclubs, launderettes, and large HMOs with more than six occupants.
Definition
A planning classification meaning 'of its own kind,' used for property uses that do not fall within any of the standard use classes defined by the Town and Country Planning (Use Classes) Order 1987. Examples of sui generis uses include petrol stations, theatres, nightclubs, launderettes, and large HMOs with more than six occupants. Change of use to or from a sui generis use always requires planning permission, with no permitted development rights available.
See also
Closely related terms.
Use Class
The classification system under the Town and Country Planning (Use Classes) Order that groups similar land and property uses together.
Planning Permission
Formal consent from the local planning authority required before carrying out most types of development, including new construction, material changes of use, and significant alterations to existing buildings.
HMO (House in Multiple Occupation)
A property rented out to three or more tenants who form two or more separate households and share a kitchen, bathroom, or toilet.
Permitted Development Rights
Automatic planning permissions granted by Parliament through the General Permitted Development Order, allowing certain building works and changes of use without needing to apply for planning permission from the local authority.
Further reading
Guides that touch this term.
Guide
Legal Due Diligence in Development Finance: What Solicitors Check
Legal due diligence is the backbone of every development finance transaction. This guide explains what solicitors investigate, common issues that delay completions, and how to prepare your legal pack.
9 min read readReadGuide
How Does Development Finance Work? A Complete Guide for UK Developers
A ground-up guide to how development finance is structured in the UK, covering loan mechanics, drawdown schedules, monitoring surveyors, and what lenders look for in your application.
5 min read readRead
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