The Country House Clause and the updated NPPF
The Country House Clause is the informal name commonly used for the planning policy supporting exceptional new homes in isolated countryside locations in England. Previously associated with Paragraph 84 of the National Planning Policy Framework (NPPF), the exceptional-design route now sits within policy HO11.
For architects, landowners and homeowners considering a bespoke countryside home in Buckinghamshire and the surrounding Home Counties, understanding the policy is an important early step in assessing a site’s potential.
What changed in the 2026 planning framework?
The revised NPPF was published on 17 August 2026. It introduces named policies and separates guidance for preparing development plans from policies used to determine planning applications.
HO11, titled “Isolated homes in the countryside”, carries forward the exceptional-design route previously found in Paragraph 84(e). It also covers other circumstances, including essential rural workers’ homes, appropriate heritage enabling development, the reuse of redundant or disused buildings, and the subdivision of existing residential buildings.
The updated framework provides clearer guidance on isolation, describing isolated homes as those outside settlements or groups of houses. Your architect or planning consultant can assess whether this policy is relevant to your particular site.
What type of country home does HO11 support?
Under HO11(1)(e), a proposed home must demonstrate exceptional design quality. Its architecture must be outstanding, contribute to raising design standards in rural areas, significantly enhance its immediate setting and respond sensitively to the defining characteristics of the local area.
The building’s position, scale, materials and relationship with the landscape should therefore inform the design from the outset. Environmental technologies can contribute to a scheme, alongside a considered approach to energy use, comfort and construction.
Meeting the exceptional-design requirements does not guarantee planning permission. Other relevant planning policies and site constraints must also be addressed.
Planning a countryside home in Buckinghamshire
For projects around Amersham, Chesham, Beaconsfield and the wider Chilterns, check whether the site lies within the Green Belt or the Chilterns National Landscape. These designations bring separate planning considerations.
HO11 does not automatically overcome Green Belt restrictions. Where a proposal constitutes inappropriate development, very special circumstances must be demonstrated. Within protected landscapes, sensitive siting and design are essential, with substantial weight placed on conserving and enhancing natural beauty.
Early discussions with an architect and planning consultant can help establish a suitable approach. Buckinghamshire Council also offers pre-application advice to identify relevant policies and potential issues before an application is submitted.
Explore materials and specifications at Sky House
Glazing, external finishes and building systems all influence the architectural character and performance of a countryside home. Consider glazing alongside orientation, shading and ventilation to balance daylight and views with thermal comfort.
At Sky House Design Centre in Amersham, architects, designers and homeowners can explore architectural glazing from IQ Glass and visit specialist member businesses covering kitchens, blinds, smart home technology, finishes and other elements of residential design.
Bring your plans to discuss products and specifications with the relevant businesses as your design develops.
Book a visit to Sky House Design Centre to explore options for your project.
