
When you’re looking at the environmental context of a property, Areas of Outstanding Natural Beauty are one of the key designations you’ll come across.
Beautiful landscapes, strict planning controls, and a strong emphasis on conservation all come together in these carefully protected areas.
Here’s a simple, five‑minute explainer to help conveyancers and clients understand what they mean.
What is an Area of Outstanding Natural Beauty?
Areas of Outstanding Natural Beauty (or AONBs) are nationally designated landscapes recognised for their distinctive character, natural beauty, and cultural value. While often compared to National Parks, AONBs tend to be smaller and, unlike National Parks, do not have their own independent planning authorities. Planning decisions remain with the local council, but with strong policy protections in place.
The purpose of an AONB is straightforward: to conserve and enhance the natural beauty of the area for future generations.
How do Areas of Outstanding Natural Beauty differ from National Parks?
A helpful distinction:
- National Parks: Have the highest level of landscape protection in the UK, their own planning authorities, and additional duties around recreation and public access.
- AONBs: Have similar levels of landscape protection, but are overseen by local authorities (often with input from AONB partnerships or conservation boards).
Both appear on Local Plans and Adopted Proposals Maps and are treated very seriously within planning policy.
How does planning work in an Area of Outstanding Natural Beauty?
Within an AONB, development is assessed with far greater scrutiny. Local planning authorities must give great weight to conserving and enhancing the area’s scenic and natural qualities.
This often means:
- Stricter requirements around design, materials, and scale
- Heightened consideration of landscape impact
- Lower tolerance for visually intrusive or large‑scale proposals
- Stronger emphasis on wildlife, cultural heritage, and tranquillity
Major developments are expected to take place in AONBs only in exceptional circumstances and only when clearly in the public interest.
Why do AONBs matter in conveyancing?
AONBs offer clients a stunning landscape to live in – but with that beauty comes tighter controls. For property buyers, the designation can influence:
- Future alterations or extensions
Clients may find that planning permission is harder to obtain, or more conditions are applied. - Potential development nearby
The area is protected, so surrounding land is less likely to see large‑scale development — a positive for some buyers. - Property value and desirability
Homes in protected landscapes often command a premium thanks to their environment and limited development pressure. - Local authority commentary
Even developments outside an AONB can be scrutinised if they impact the setting or views of the protected area.
Highlighting these factors helps buyers make informed decisions, especially if they have long‑term plans for extending or renovating.
How do AONBs appear in search results?
AONBs are typically included in local planning layers and, depending on the report, may appear as part of:
- Constraints mapping
- Local authority planning data
- Environmental risk or land use assessments
- Proposals maps in Local Development Frameworks
For conveyancers, the presence of an AONB should always trigger a gentle conversation with clients about future planning expectations.
Areas of Outstanding Natural Beauty celebrate some of the UK’s finest landscapes, and with that beauty comes a robust set of planning protections. Whether a client is buying a rural cottage, a village home, or land near the boundary of an AONB, understanding the designation helps set realistic expectations about development, conservation, and the character of the area.




