Understanding commercial property usage classes is key to unlocking the full potential of your premises. Whether you’re opening a boutique retail shop, launching a new restaurant, or expanding office space, knowing which class your property falls under, and how to change it if needed, can help you plan confidently, maximise value, and stay compliant with planning law.
This guide is for business owners, landlords, and developers who want to make informed decisions about commercial property use. You’ll learn what the different usage classes mean, why they matter for your business, and how to navigate changes smoothly, giving you the clarity and confidence to move your projects forward.
If you need advice on how property usage rules affect your plans, our expert commercial property solicitors will give you the tailored, practical support your business needs.
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Commercial property use classes
Commercial property use classes are categories of property usage. For example, A1 classification means the property can be used as a shop and so on – as seen in the table below.
Here’s a list of all the commercial property use classes under the current legislation:
| A1 – shops | B1 – Businesses | C1 – Hotels | D1 – Non-residential institutions |
| A2 – Financial and professional services | B2 – General industrial | C2 – Residential institutions | D2 – Assembly & leisure |
| A3 – Restaurants and cafes | B3 – B7 – special industrial group A-E | C2A – Secure residential institutions | Sui Generis – uses that don’t fall in other categories |
| A4 – Drinking establishments | B8 – Storage and distribution | C3 – Dwelling houses | |
| A5 – Hot food takeaways | C4 – Houses in multiple occupation |
