FAQs | What is Class Q Planning? Transforming Barns into Wonderful Family Homes

Written By Tyler Thurston

DECEMBER 19, 2023

Barn conversions have increasingly become a sought-after dream for many aspiring homeowners. Both breathing new life into these rustic structures and transforming them into modern family homes while preserving their historical charm, is a rewarding process. However, the process of converting a barn into a residential property requires navigating the intricacies of planning permission, specifically Class Q planning.

WHAT IS CLASS Q PLANNING PERMISSION?

Class Q permitted development rights in the United Kingdom allow certain agricultural buildings to be converted into dwellings without the need for full planning permission. Introduced in 2014, this legislation aims to promote the adaptive reuse of agricultural buildings, such as barns, for residential purposes, contributing to the preservation of rural heritage and meeting the growing demand for housing.

To convert a barn into a family home under Class Q, specific criteria must be met:

  1. The Building’s Eligibility: The structure must have been in agricultural use on or before March 20, 2013 (or in agricultural use within 10 years before applying for the change of use – whichever is the lesser) and remain in that use or redundant thereafter.

  2. Size Limitations: There are restrictions on the maximum floor space for the converted dwelling. You are allowed to build up to 5 dwellings per established agricultural unit (or farm). These can be split into smaller dwellings and larger dwellings. Smaller dwellings are up to 100m2 and larger dwellings 100-465m2. This means a theoretical maximum limit of 865m2. Additionally, the planning authority will consider the building's external dimensions and structural alterations.

  3. Use as a Dwelling: The converted property should function as a single dwelling, adhering to all necessary regulations and standards for habitable spaces.

  4. Location and Land: The barn's location and surrounding land might influence the decision, considering factors such as environmental impact, visual aesthetics, and potential impact on neighbours.

    Click here for the full general permitted development legislation.

STEPS FOR CLASS Q PLANNING PERMISSION?

  1. Initial Assessment: Conduct a thorough assessment to ensure your barn meets the criteria for Class Q. Seek professional advice from architects or planning consultants.

  2. Preparation and Submission: Prepare detailed plans and documentation outlining the proposed conversion. Submit these to your local planning authority, including information on the design, scale, access, and impact on the environment.

  3. Engage with the Community: Engage with the local community and address any concerns or objections they may have about the proposed conversion. This could involve public consultations or meetings.

  4. Wait for Approval: The planning authority will review your application, considering various factors. If granted, you can proceed with the conversion according to the approved plans. If not, you might need to revise the proposal based on feedback or appeal the decision.

Converting a barn into a family home under Class Q planning permission offers a unique opportunity to create a distinctive living space, blending historical character with contemporary comforts. However, navigating the regulatory framework and meeting the necessary criteria demands careful planning and adherence to local planning guidelines. If you're considering a Class Q home we would advice that you conduct thorough research, seek expert guidance to gain a clear understanding of the Class Q requirements in order to smooth the planning application process and subsequent construction of your new rural home.

If you'd like to take the first step towards designing your own home or renovation project, we offer a free consultation call.


During the initial consultation, we will:

  • Get clarity on your current situation and your project aspirations

  • Discuss our process and how we may be able to help you

  • Determine if we would be a good fit for your project

To schedule a call with us today to see how we can help you, email us at studio@thurstonking.com or call the office directly on +44 (0) 121 517 1953

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Thurston King Architects Ltd. ARB. RIBA Chartered Practice. Membership Number 20055060.

© 2023 Thurston King Architects Ltd. All Rights Reserved.

Tyler Thurston
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