Barn conversions are increasingly popular as time goes on. With a lot of space, a trendy look and a good use of previous infrastructure its a great option to consider when you’re wanting a new project.
Class 18B Barn Conversions
Class 18B allows the change of use along with certain building operations to effect a change of use from an agricultural building to use as a dwelling.
The change now allows modern agricultural sheds and traditional barns to be converted to houses via the General Permitted Development Scotland Order.
It forms part of Government plans to increase housing supply and follows similar permitted development easements in England.
However, to carry out development under class 18B provisions there is a requirement to apply to the planning authority for a determination as to whether the prior approval of the authority is required. This is a condition of the planning permission granted under these provisions and is referred to as ‘prior notification’. There are also instances where these permitted developments do not apply.
In the majority of cases a significant amount of work and intervention to the agricultural or forestry building will be required to ensure it is capable of residential use. However, to benefit from the permitted development rights under Class 18B and Class 22A the proposed work needs to meet set criterion. This means a careful strategy needs to be deployed for each unique agricultural building to maximise your chances of a successful outcome.
It is worth highlighting that Class 18B Barn Conversions can be utilised to create fall back positions and limit exposure to Developer Contributions.
Want to find out more? Get in touch for your free consultation.

Class 18C Barn Conversions
Class 18C allows the change of use along with certain building operations to effect a change of use from an agricultural building to a flexible commercial use. It forms part of Government plans to boost the rural economy.
The change now allows modern agricultural sheds and traditional barns to be converted to a flexible commercial use via the General Permitted Development Scotland Order.
A “flexible commercial use” means a use falling within the following classes of the Use Classes Order, or a combination of such uses –
- Class 1 (shops)
- Class 2 (Financial, professional and other services)
- Class 3 (food and drink)
- Class 4 (Business)
- Class 6 (Storage or distribution)
- Class 10 (Non-residential institutions)
However, to carry out development under class 18C provisions there is a requirement to apply to the planning authority for a determination as to whether the prior approval of the authority is required. This is a condition of the planning permission granted under these provisions and is referred to as ‘prior notification’. There are also instances where these permitted developments do not apply.
In the majority of cases a significant amount of work and intervention to the agricultural or forestry building will be required to ensure it is capable of residential use. However, to benefit from the permitted development rights under Class 18C and Class 22B the proposed work needs to meet set criterion. This means a careful strategy needs to be deployed for each unique agricultural building to maximise your chances of a successful outcome.
Want to find out more? Get in touch for your free consultation.