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Green Belt Planning Permission | Charrette Law
Green Belt planning permission is a complex and nuanced area of law in England, influencing property ownership, development aspirations, and local communities. The Green Belt policy, originally designed to halt urban sprawl and preserve the countryside, continues to evolve in light of modern development pressures. Understanding the intricacies of Green Belt planning permission is essential for anyone considering building, extending, or altering properties within these zones. This article, brought to you by Charrette Law, explores the fundamental principles, restrictions, the application process, recent legislative changes, and practical tips for improving your chances of securing planning approval in the Green Belt.
What Is Green Belt Land?
Green Belt land refers to specially designated open spaces surrounding many towns and cities across England and the wider United Kingdom. First introduced in post-war Britain, the purpose was to prevent unchecked urban expansion, maintain the character of rural communities, and safeguard the natural environment. Local authorities designate these zones through local planning policies, and although ‘Green Belt’ is a planning term rather than a landscape description, its impact on development rights is significant.
The Green Belt now covers over 1.6 million hectares in England alone, representing about 13% of the land area. It’s important to distinguish Green Belt from other terms like ‘Area of Outstanding Natural Beauty’ or ‘National Park’, as each has its own framework and implications for planning control. The overriding feature of Green Belt land is its strict regulatory regime concerning new building and development.
Objectives of Green Belt Policy
The National Planning Policy Framework (NPPF) outlines five main purposes for Green Belt designation:
- To check the unrestricted sprawl of large built-up areas
- To prevent neighbouring towns from merging into one another
- To assist in safeguarding the countryside from encroachment
- To preserve the setting and special character of historic towns
- To assist in urban regeneration, by encouraging the recycling of derelict and other urban land
Crucially, Green Belt is not intended to be a landscape or wildlife designation; instead, it is a spatial one, prioritising the control of urban growth. This means that while wildlife and scenery may benefit from Green Belt protection, the policy’s main concern is land use, not ecology per se.
Principles for Development in the Green Belt
Obtaining planning permission for development on Green Belt land is particularly challenging due to a presumption against most forms of new construction. Paragraph 147 of the NPPF establishes that inappropriate development is, by definition, harmful to the Green Belt and should not be approved except in “very special circumstances”.
The policy is clear: the construction of new buildings is considered inappropriate, unless it falls under a list of exceptions, which include:
- Buildings for agriculture and forestry
- Provision of appropriate facilities for outdoor sport, recreation, cemeteries, provided they preserve the openness of the Green Belt
- Extensions or alterations of existing buildings, so long as they do not result in disproportionate additions over and above the size of the original building
- Replacement of a building, provided the new building is not materially larger than the one it replaces
- Limited infilling in villages, and limited affordable housing for local community needs under policies set out in the Local Plan
- Limited infilling or redevelopment of previously developed sites (brownfield land), that would not have a greater impact on the openness of the Green Belt
If your proposal does not fall within these categories, you will need to demonstrate “very special circumstances” (VSC) in order to succeed with a planning application.
Understanding ‘Very Special Circumstances’ (VSC)
Demonstrating VSC is the most common route for development that is neither one of the named exceptions nor clearly inappropriate. However, what constitutes VSC is not defined within the legislation, so each case is judged on its individual merits.
Factors that may support a VSC argument include:
- The lack of alternative sites to meet an identified local need, especially for community infrastructure, affordable homes, or public services
- Significant public benefits, such as new transport links, schools, or medical facilities
- Demonstrable enhancement of biodiversity, landscaping, or recreation
- Replacement of derelict or visually detrimental buildings with more sympathetic structures
- Economic benefits that outweigh harm to openness
Cases are sometimes successful where the applicant can show that the Green Belt harm is clearly outweighed by other material considerations. However, this is the exception, not the rule, and substantial justification is required.
The Green Belt Planning Permission Application Process
The process for applying for planning permission within the Green Belt generally follows the same procedures as other sites, albeit under stricter scrutiny.
- Pre-application Advice: It is strongly recommended that you engage in pre-application discussions with the local planning authority. These discussions will clarify relevant policies, identify key issues such as impact on openness, and provide a steer on the likelihood of success.
- Preparing Your Application: This involves preparing detailed plans, drawings, and supporting documentation including Planning, Design and Access Statements, and if required, environmental impact documents. A robust case for any claimed ‘very special circumstances’ must be presented.
- Submission and Consultation: Upon submission, the planning authority will consult statutory and non-statutory consultees, and advertise the application publicly. This period allows local residents and interested bodies to comment.
- Assessment: The authority will assess the proposal against local policy, national guidance (NPPF), and representations received. Key tests include impact upon the openness of the Green Belt and whether the benefits clearly outweigh any harm.
- Decision: Applications are usually decided by planning officers under delegated powers, but significant or controversial proposals may go to the planning committee.
- Right to Appeal: If permission is refused, applicants may appeal to the Planning Inspectorate, who will consider the case afresh.
It is worth noting that even permitted development rights (which allow certain types of small-scale work without formal consent) are often far more limited in Green Belt locations.
Extensions, Alterations, and Replacement Dwellings in the Green Belt
While the principle of restricting new development is strict, there is some flexibility for extending or altering existing properties in the Green Belt. The NPPF allows for extensions or alterations provided they are not ‘disproportionate’ to the original building.
What constitutes a disproportionate addition is determined by local authorities, often defined in their Local Plans. A typical approach is to limit extensions to a set percentage increase over the original footprint or volume of the house (for example, a maximum of 30-50%).
Similarly, replacing an existing dwelling is allowed, provided that the new building is not materially larger and occupies a similar position on the plot. This enables homeowners to replace outdated structures with more modern homes, but large ‘mansion’ replacements are likely to be refused.
Building New Homes on Green Belt Land
Constructing entirely new homes on Green Belt sites faces the stiffest test. Unless the proposal is for limited infilling (for example, within an existing village boundary), affordable housing required by a local plan, or redevelopment of brownfield land with no greater impact on openness, permission will almost never be granted except in VSC cases.
There is a strong policy imperative to direct housing growth to non-Green Belt land wherever possible, making such applications highly contentious and subject to challenge from planning authorities, local politicians, and community groups.
Green Belt and Agricultural or Forestry Use
One of the most significant exceptions to restrictions within Green Belt is for buildings and structures related to agriculture and forestry. These uses are considered appropriate as they help maintain rural character and can be essential for the operation of farmland and estates.
Examples include implementing new barns, stables, and machinery storage. However, proposed agricultural buildings must demonstrate that they are genuinely required for the agricultural enterprise, and not intended as a precursor for residential conversion.
Applications for ‘agricultural dwellings’ – that is, housing for farm workers – are carefully scrutinised and require clear evidence of an unmet essential need.
Outdoor Sport, Recreation, and Community Facilities
The NPPF recognises that outdoor sport and recreational facilities (such as playing fields, clubhouses, or pavilions) may be permissible within the Green Belt, provided such development preserves openness and does not conflict with the purposes of designation.
Similarly, cemeteries and burial grounds can be appropriate, often requiring modest buildings or shelter. Proposals should minimise built form and demonstrate sensitivity