Scheduled monuments and planning in England

 

Scheduled monuments are nationally important archaeological sites and historic remains given legal protection under the Ancient Monuments and Archaeological Areas Act 1979. They range from prehistoric burial mounds and hillforts to Roman sites, medieval remains, industrial archaeology and more recent military structures. Some are obvious above ground; others survive mainly as buried archaeology.

For planning purposes, the important point is that three different questions can arise. Is the site itself scheduled? Would a development proposal affect the monument or the contribution made by its setting? And do any physical works also need separate Scheduled Monument Consent? Those questions overlap, but they are not the same legal test.

This page explains scheduling and the planning consequences. If you are proposing works to the monument itself, our separate Scheduled Monument Consent guide deals with the consent process, class consents, offences and applications in more detail.

 

What is a scheduled monument?

 

Scheduling is a form of national designation for monuments of archaeological or historic importance. The legal power sits in section 1 of the Ancient Monuments and Archaeological Areas Act 1979. In England, the Secretary of State decides whether a monument should be included in the Schedule, with Historic England advising on designation.

Historic England describes scheduling as deliberately selective. England contains a huge number of archaeological sites, but only those considered nationally important and for which scheduling is an appropriate means of protection are placed on the Schedule. Historic England currently describes the Schedule as containing over 19,000 entries, some of which protect more than one monument.

Not all nationally important archaeology therefore has to be scheduled, and not all archaeology is a designated heritage asset. That distinction matters in planning, because the August 2026 NPPF also gives special treatment to non-designated archaeological remains which are demonstrably of equivalent significance to a scheduled monument.

Ridge and furrow is not automatically scheduled, but some scheduled entries include well-preserved cultivation earthworks as part of a wider medieval settlement or field system.

 

How does a monument become scheduled?

 

Historic England investigates potential designations and advises the Secretary of State. The decision is based principally on archaeological or historical interest, applying the statutory framework alongside the Secretary of State’s scheduling policy and Historic England’s selection guidance.

Scheduling is not simply an award for being old. The question is whether the remains are nationally important and whether scheduling is an appropriate form of protection. In some cases another form of control, such as listing or the planning system, may be more appropriate.

The designation identifies the monument and the area protected by the Schedule. It does not transfer ownership, give the public a new right of access, or by itself require the owner to open the site or carry out a programme of works.

 

How do you check whether land is scheduled?

 

Scheduled monuments are recorded on Historic England’s National Heritage List for England. The list entry, map and legal description should be checked rather than relying on a general online map or estate-agent particulars.

This matters because the scheduled area can be quite different from what is visible on the ground. A grassy field may contain buried remains, while a large historic landscape may have only particular elements within the statutory scheduled boundary.

For development sites, the National Heritage List should be considered alongside the local Historic Environment Record and the wider archaeological evidence. Our guide to archaeology and planning explains the role of desk-based assessment, field evaluation and the Historic Environment Record.

 

The scheduled boundary is not the same as the setting

 

A scheduled boundary is the legal extent of the designated monument. It is not a standard buffer zone around it, and it should not be confused with the monument’s setting.

Setting is the surroundings in which a heritage asset is experienced. It can contribute to significance, but its extent is not fixed by a circle on a map. A development outside the scheduled area can therefore affect the significance of a monument through its setting, while development close to the boundary does not automatically cause harm.

The correct exercise is to identify what contributes to the monument’s significance, ask whether and how its surroundings contribute to that significance, and then assess the effect of the proposal. Our separate guide to the setting of a heritage asset goes through that analysis in more detail.

 

How planning permission affects a scheduled monument

 

A planning application can affect a scheduled monument without proposing any physical work to the scheduled fabric. New buildings, roads, renewable-energy development, landscaping, changes in levels, lighting or other development can affect the monument’s significance directly or through its setting.

The planning authority must determine the application in accordance with the development plan unless material considerations indicate otherwise, with the current national planning policies forming important material considerations. Scheduled status is therefore highly important, but it does not create an automatic blanket ban on all development nearby. The planning question is the effect on the significance of the heritage asset and the weight that national policy requires that effect to receive.

Where the proposal actually involves works to the scheduled monument, a planning permission is not enough on its own. Separate Scheduled Monument Consent may also be required before those works begin.

 

Scheduled monuments receive the highest level of NPPF heritage protection

 

The August 2026 National Planning Policy Framework treats scheduled monuments as designated heritage assets of the highest significance. Policy HE5 requires a proportionate assessment of significance, including any contribution made by setting, and an explanation of how the proposal would affect that significance.

The current NPPF categorises effects as positive effect, no effect, harm, substantial harm or total loss. It no longer uses the older policy phrase “less than substantial harm”. Policy HE6 requires substantial weight to be given to the conservation of a designated heritage asset, with greater weight for more important assets. Where substantial harm or total loss would affect an asset of the highest significance, including a scheduled monument, the NPPF says that should be wholly exceptional.

The detailed balancing exercise depends on the level of effect. Our guide to heritage significance and harm explains the current HE5 and HE6 tests, including the public-benefit balance and the stricter test for substantial harm or total loss.

 

What evidence may a planning application need?

 

The starting point is significance. A proposal affecting a scheduled monument should explain what makes the monument important, which parts of its fabric, archaeology, relationships or setting contribute to that importance, and how the proposal would change those contributions.

Depending on the site and proposal, this may require a Heritage Impact Assessment, archaeological desk-based assessment, geophysical survey, field evaluation or other specialist work. HE5 also specifically recognises that archaeological sites may need desk-based assessment and field evaluation where necessary.

Evidence should be proportionate. A proposal some distance away which plainly has no effect should not require the same work as ground disturbance within a complex archaeological site. Equally, a modest development can still require detailed evidence if it affects a key element of a monument’s significance.

 

When is Historic England consulted?

 

Historic England is a statutory consultee on planning applications that are likely to affect the site of a scheduled monument. In practice, early engagement is sensible where a proposal may affect the monument itself or raises a significant setting issue, particularly where the project is likely to need archaeological investigation or Scheduled Monument Consent as well.

The local planning authority remains the decision-maker on an ordinary planning application. Historic England’s role is different from the Scheduled Monument Consent regime, where Historic England administers the application and advises the Secretary of State.

 

When is Scheduled Monument Consent also required?

 

Under section 2 of the 1979 Act, most works which demolish, destroy, damage, remove, repair, alter or add to a scheduled monument require prior Scheduled Monument Consent, as can flooding or tipping operations affecting the scheduled site. The regime can therefore reach buried archaeology and ground disturbance as well as standing remains.

Scheduled Monument Consent is separate from planning permission and cannot be replaced by it. There are also class consents for certain tightly defined categories of work. Our dedicated guide to Scheduled Monument Consent explains what needs consent, the class-consent system, how to apply, and the criminal consequences of unauthorised works.

 

Permitted development does not override Scheduled Monument Consent

 

A development may not need a planning application because planning permission is granted by the General Permitted Development Order. That does not mean other statutory controls disappear.

If works fall within the scheduled-monument consent regime, the fact that they have planning permission through permitted development does not remove the need for Scheduled Monument Consent. The same general principle applies to other separate regimes such as protected-species licensing and building regulations.

Before relying on permitted development on or close to scheduled land, check both the GPDO limitations and the heritage consent position rather than treating “permitted development” as permission to ignore other legislation.

 

Not all nationally important archaeology is scheduled

 

Some archaeological remains are not formally scheduled but are nevertheless demonstrably of equivalent significance to a scheduled monument. The current NPPF says these should be treated, for planning-policy purposes, in the same way as designated heritage assets.

That can be important on sites where evaluation discovers archaeology during the planning process. The absence of a scheduled-monument entry is not therefore proof that nationally important archaeology can be treated as an ordinary non-designated asset.

For archaeology below that threshold, the planning treatment is different and depends on its significance and the effect of the proposal. See our guide to archaeology and planning applications.

 

Can a scheduling decision be challenged?

 

Scheduling is a designation decision, not a planning application, so the ordinary planning appeal system does not apply. Government guidance provides a review process for a decision to schedule or not to schedule a monument. Current GOV.UK scheduling review guidance says a review request must be made within 28 days of the scheduling decision notification and is limited to specified grounds, such as significant evidence that the original decision was wrong, a significant factual error or an irregularity in the scheduling process.

This is different again from challenging a refusal of Scheduled Monument Consent. The consent page explains the separate High Court challenge route under the 1979 Act.

 

A future special-regard duty is not yet in force

 

Section 102 of the Levelling-up and Regeneration Act 2023 contains a provision intended to create a new statutory special-regard duty for certain nationally important heritage assets, including scheduled monuments, through a new section 58B of the Town and Country Planning Act 1990.

As at 21st August 2026, section 102 has not been commenced. Current government consultation material expressly says that it has not been commenced but is under consideration. It should therefore not be treated as an operative planning duty today.

The present planning assessment continues to rest on the development plan, the August 2026 NPPF and other law already in force. This page will need updating if and when section 102 is commenced.

 

Key legislation and guidance

 

• Ancient Monuments and Archaeological Areas Act 1979 – the primary legislation for scheduling and Scheduled Monument Consent
• Historic England: What are Scheduled Monuments? – designation, selection and practical effects
• Historic England: Scheduled Monument Consent – current consent process and pre-application advice
• Planning Geek: Heritage significance and harm – current August 2026 NPPF heritage tests
• Planning Geek: Heritage Impact Assessment – evidence and assessment for proposals affecting heritage assets
• GOV.UK: review a scheduling decision – the 28-day review process and permitted grounds
• GOV.UK: reforms to the statutory consultee system – current confirmation that LURA 2023 section 102 has not been commenced

Conservation, Heritage & Protected Sites

 

Scheduled Monuments Page Updated: 24th August 2026