Emerging Local Plans: how much weight can they carry?

 

A council may be years into preparing a new Local Plan before it is finally adopted. During that period applications still have to be decided, so an obvious question arises: how much weight can the emerging policies carry?

The answer is not simply “none until adoption”, but neither can a council treat a draft policy as though it is already part of the statutory development plan. The August 2026 National Planning Policy Framework now deals with the issue directly in national decision-making policy DM4.

This page explains the three factors which affect the weight of an emerging Local Plan, the high bar for refusing an application on prematurity grounds, and the separate strategic-site rule in HO13 where an emerging plan proposes strategic sites.

 

An emerging Local Plan is not yet the development plan

 

The statutory starting point for a planning decision remains section 38(6) of the Planning and Compulsory Purchase Act 2004. The decision is made in accordance with the development plan unless material considerations indicate otherwise.

A draft Local Plan does not acquire that statutory status merely because the council has published it, consulted on it or voted to submit it for examination. Until the relevant plan is adopted, the existing development plan remains the statutory starting point.

That does not make the emerging plan irrelevant. It can be a material consideration, and DM4 tells the decision-maker how much weight may sensibly be given to its proposals.

 

The three DM4 tests for weight

 

Policy DM4 says that weight may be given to relevant policies in emerging plans according to three matters:

• The stage of preparation – the more advanced the plan, the greater the weight that may normally be appropriate
• The extent of unresolved objections – policies facing significant unresolved objections are less settled than policies which have attracted little or no dispute
• The degree of compliance with the NPPF’s plan-making policies – an emerging policy which is clearly aligned with current national policy is in a stronger position than one which appears to conflict with it

Those factors have to be considered together. There is no national rule saying, for example, that a Regulation 19 policy automatically receives “moderate weight” or that submission to examination automatically gives every emerging policy substantial weight.

 

Weight is policy-specific, not plan-wide

 

This point is easily missed. A Local Plan can be advanced overall while individual policies remain heavily contested. One policy may be close to settled while another is the subject of substantial objections, proposed main modifications or disagreement over whether it complies with national policy.

So the useful question is not merely “how far has the Local Plan got?” It is “how far has this policy got, what objections remain to it and how well does it fit the current national policy framework?”

That matters particularly where a council relies on an emerging housing allocation, settlement boundary, design requirement or development-management policy as a reason to resist a proposal.

 

When is an emerging plan advanced?

 

DM4 gives useful guidance when prematurity is being considered. It says a draft plan is unlikely to be at an advanced stage unless it has been submitted for examination. For a neighbourhood plan, the relevant publicity period must have ended.

That does not mean submission instantly gives every policy decisive weight. The unresolved-objection and national-policy tests still apply. But it does mean that a council trying to stop development simply because a replacement Local Plan is being prepared will normally have a much harder argument if the plan has not even reached examination.

For the wider plan-making process, see our guide to Local Plans.

 

Prematurity: a deliberately high bar

 

Sometimes the argument is not simply that an emerging policy should carry weight. The council may say that granting permission now would prejudice the plan-making process itself. This is the familiar issue of prematurity.

DM4 says refusal on prematurity grounds will seldom be justified where a draft plan has not yet been adopted. It identifies two circumstances which must both be present before refusal is justified:

• The development is so substantial, or its cumulative effect would be so significant, that granting permission would undermine the plan-making process by predetermining decisions about the scale, location or phasing of new development that should properly be dealt with through the plan
• The emerging plan is at an advanced stage but has not yet been adopted

A small or ordinary planning application will therefore rarely be capable of derailing an entire Local Plan. Prematurity is aimed at proposals which could effectively make the strategic choice before the plan-making process has finished.

 

A prematurity refusal needs a proper explanation

 

Where a council does refuse on prematurity grounds, DM4 says it should indicate clearly how granting permission would prejudice the outcome of the plan-making process.

A vague statement that the proposal “would prejudice the emerging Local Plan” is therefore not enough by itself. The reasoning should identify the strategic decision which would be predetermined and explain why the scale or cumulative effect of the proposal creates that problem.

That can be an important appeal point. A planning appeal is a fresh decision on the planning merits, and the Inspector will consider the policy position current at the time the appeal is determined.

 

The strategic-site rule in HO13

 

The 2026 NPPF contains a separate point which should not be lost inside the general DM4 rule. Policy HO13(4) says that where an emerging development plan proposes one or more strategic sites, development proposals should not be inconsistent with the proposed scale, location or phasing of those sites, however advanced the emerging plan is.

The Framework expressly says that this applies notwithstanding the general prematurity provision in DM4(2). In other words, a proposal affecting a strategic site cannot assume that the normal “plan is not advanced enough” argument disposes of the issue.

Although HO13 sits in the housing chapter, paragraph 5 makes clear that paragraphs 3 and 4 apply to all strategic sites. This is not a licence to treat every emerging allocation as adopted policy: the wording and status of the particular strategic-site proposal still need to be read carefully.

 

What should an applicant check?

 

If an emerging Local Plan is being relied upon in an application or appeal, check the actual evidence rather than accepting a generic statement about weight:

• Which version of the emerging plan is current?
• Has it reached consultation, publication, submission or examination?
• What objections have been made to the particular policy or allocation?
• Has the council proposed modifications?
• Does the policy comply with the August 2026 NPPF plan-making policies?
• Is the council arguing ordinary policy weight, prematurity, or the separate strategic-site rule in HO13?

Those are very different arguments and should not be blended together.

 

Emerging policy can help an application as well as hinder it

 

Applicants sometimes think of an emerging Local Plan only as something the council may use against them. It can work the other way too. An emerging allocation, a proposed settlement-boundary change or a new policy more closely aligned with national policy may support a proposal.

The same DM4 exercise applies. The applicant should explain why the relevant emerging policy deserves weight, rather than simply quoting it as though adoption has already happened.

Other Planning Policy Sections

 

Emerging Local Plan Page Updated: 30th August 2026