Newbury shapes how planning decisions get made across the UK.
It began in 1962 when rubber firm ISR wanted to use wartime hangars at Membury Airfield as warehouses. Newbury District Council approved the change but required the buildings to be removed and the land restored by 31 December 1972. ISR kept using them after the deadline and the council issued enforcement notices.
The Secretary of State quashed those notices, the Court of Appeal later backed the council, and the case reached the House of Lords. The Lords ruled that planning conditions must serve a genuine planning purpose, reasonably relate to the development and meet tests of reasonableness - the core of the "Newbury test".
The House of Lords established "three tests from the case law... for determining the validity of planning conditions".
In short: councils canelocked from adding random or unfair rules when approving projects. Each condition must pass legal checks.
Those principles fed into modern guidance. England's National Planning Policy Framework builds on Newbury and expands the checks into six tests:
- Necessary: the development would be unacceptable without it.
- Relevant to planning: it must address a proper planning matter.
- Relevant to the development permitted: it must relate specifically to the approved scheme.
- Enforceable: the authority must be able to monitor and act on breaches.
- Precise: wording must be clear and unambiguous.
- Reasonable in all other respects: fair and proportionate, not excessively burdensome.
If a condition fails any one of the six tests it should not be applied and can be challenged.
Niki Hinman, Local Democracy Reporter
