Guide · 8 min read
The Golden Rules under NPPF 2026 (policy GB8)
The Golden Rules are the price of Green Belt release. Under the August 2026 Framework they sit in policy GB8, and they apply to major residential development on land released from the Green Belt through plan-making or permitted in the Green Belt under policy GB7. They are the single largest variable in most grey belt appraisals.
What GB8 requires
Policy GB8 attaches three requirements to major residential development on released or permitted Green Belt land:
- Affordable housing at the level set by an up-to-date plan policy, or 15 percentage points above the highest otherwise applicable requirement where no such policy is in place.
- The necessary improvements to local or national infrastructure serving the development.
- Provision of new, or improvement of existing, green space that is accessible to the public.
How the 15-point uplift works in practice
The uplift is expressed in percentage points, not as a proportional increase. Where the highest otherwise applicable requirement is 30 per cent affordable housing, the Golden Rules figure is 45 per cent, subject to a cap on the level applied and to the Framework's viability provisions in policy DM5.
Because the figure is fixed to the local requirement, the same site can carry a materially different Golden Rules obligation depending on which authority it sits in and whether that authority has adopted an up-to-date affordable housing policy. Check the adopted policy first; do not model a national average.
Infrastructure and accessible green space
The infrastructure limb is scheme-specific and evidence-led: it means the improvements that the development makes necessary, established through consultation with the highway authority, education authority, health bodies and utility providers. The green space limb is a distinct requirement and is not satisfied by on-site amenity land alone where the policy expects publicly accessible provision.
Viability and the Golden Rules
The Framework's viability provisions still apply, but the starting assumption on Green Belt land is that the Golden Rules are deliverable because the land value uplift on release is substantial. A viability case that seeks to reduce the affordable requirement on a grey belt site therefore starts from a weak position and needs robust, transparent evidence, prepared on the basis that it will be published.
The practical implication for a landowner is that the land value expectation should be set after the Golden Rules, not before. Heads of terms drafted on pre-Golden-Rules assumptions are the most common cause of a stalled grey belt deal.
Common questions
- Do the Golden Rules apply to all Green Belt development?
- They apply to major residential development on land released from the Green Belt through plan-making or permitted in the Green Belt under policy GB7. Smaller schemes and non-residential development are treated differently — check the policy wording against the specific proposal.
- Is the 15 percentage point uplift capped?
- The Framework sets the uplift against the highest otherwise applicable requirement and provides for a cap on the resulting level, alongside the general viability provisions. The applicable figure should be read from the current policy text and the authority's adopted affordable housing policy.
- Can viability reduce the Golden Rules requirement?
- Only exceptionally, and on transparent evidence. Green Belt release normally produces a substantial land value uplift, so the Framework expects the requirements to be met rather than negotiated down.
Last reviewed 18 August 2026. Written from published national policy and legislation; it is general information, not planning or legal advice on a specific site.
This assessment is an automated planning intelligence report based on available public data. It does not constitute planning, legal, valuation or other professional advice and does not guarantee that planning permission will be granted.