Statutory consultees that appear as a scheme grows
Statutory consultees arrive for three reasons: where the site is, how large the scheme is, and what it does. Only the second set moves as the unit count rises.
Statutory consultees arrive in a residential application for three different reasons, and only one of them is scale. Where the site is, how big the scheme is and what you are proposing to build each bring a different list, and the lists are set by Schedule 4 of the Development Management Procedure Order 2015 rather than by the case officer's preference.
The practical value of knowing which statutory consultees planning thresholds will trigger is programme. A consultee that appears at 150 units and needs a technical note you have not commissioned adds six weeks to a determination that was already at 13.
How statutory consultation is set
The Order lists the bodies the authority must consult and the circumstances in which the duty applies. Consultation is a legal requirement, and a permission granted without a required consultation is vulnerable.
Statutory consultees are expected to respond within 21 days, and their performance against that period is reported. In practice, a response often arrives as a request for more information rather than a substantive view, and the 21 days restarts in spirit if not in law.
Separately from the statutory list, every authority has a local list of non-statutory consultees, such as the county archaeologist, the tree officer, environmental health, the urban design officer and the local wildlife trust. Those responses shape the officer report just as much, and they have no time limit attached at all.
Consultees triggered by location
Location triggers apply at any scale, including a single dwelling.
The Environment Agency is consulted on development in Flood Zone 2 or 3, on sites of one hectare or more in Flood Zone 1, on development within 20 metres of a main river, and on certain proposals affecting groundwater or contaminated land. The lead local flood authority is the statutory consultee for surface water drainage on major development.
Natural England is consulted where development is in or likely to affect a site of special scientific interest, and on proposals affecting European sites and protected species in the circumstances the Order sets out. Historic England is consulted on development affecting Grade I and Grade II* listed buildings, scheduled monuments, registered parks and gardens of the higher grades, and World Heritage Sites. Demolition affecting listed buildings and conservation areas also brings in the national amenity societies.
The Coal Authority is consulted in development high risk areas. National Highways is consulted where a proposal may affect the strategic road network. Network Rail and the Canal and River Trust are consulted on land adjoining their assets, and the Health and Safety Executive where a site sits within a consultation distance of a hazardous installation or major accident hazard pipeline.
None of these care how many units you are building. A single house in a flood zone brings the Environment Agency in, with a Flood Risk Assessment required to support it.
Consultees triggered by scale
Scale triggers step in at recognisable points, and they are the ones worth mapping against the scheme before the red line is fixed.
| Scale | What changes |
|---|---|
| 10 or more dwellings, or 0.5 hectares | Major development: 13 week determination, statutory publicity, affordable housing policy engaged |
| Major with surface water drainage | Lead local flood authority becomes a statutory consultee |
| Local transport thresholds, often 50 or more units | Highway authority expects a Transport Assessment rather than a statement |
| 150 or more dwellings, 7,500 m² or 5 hectares | Active Travel England is consulted on major applications at this scale |
| Environmental impact assessment development | 16 week determination, wider consultation, publicity of the environmental statement |
Active Travel England is the newest of these and the one most often missed, because it was added to the statutory list after many practitioners learned their thresholds. Verify the current figures before relying on them, because consultee thresholds are amended periodically.
Where a scheme sits just below a threshold, the temptation to keep it there is strong and rarely works, as planning fees and thresholds on a growing scheme sets out.
Consultees triggered by development type
Some consultees are brought in by what the development does rather than by where or how large it is.
Sport England is consulted where development would affect land used, or last used, as a playing field. That includes a school field, a disused pitch and land within a wider site that happens to contain one. The consultation is triggered by the land, not by the scheme's intention for it.
The Health and Safety Executive acts as the Building Safety Regulator at Planning Gateway One for relevant buildings, meaning residential buildings of 18 metres or more or seven storeys, which brings a Fire Statement requirement with the application.
Waste and water undertakers are consulted on major development. The Theatres Trust is consulted where a theatre is involved. Where an environmental statement is required, the consultation list widens further and an Environmental Impact Assessment has to be prepared by competent experts under the 2017 Regulations, so the programme has to allow for their input as well as the consultees'.
Holding responses and what they mean
Consultee responses come in three forms and they are not equivalent.
A substantive response gives a view, often with suggested conditions. A holding objection says the consultee objects unless and until specified information is provided, which stops the authority granting permission in practice even though it is not a legal bar. And a direction is the strongest form. National Highways can issue a direction under the Development Management Procedure Order restricting the grant of permission, and where that is in place the authority cannot lawfully grant until it is lifted.
Treat a holding objection as a request with a deadline you set. Ask the consultee directly what would resolve it, agree the scope in writing, and send the material as a formal submission rather than as an email to the case officer. A Transport Assessment addendum agreed with the highway authority before it is submitted is worth three that were not.
Pre-application engagement with consultees
Most of the national consultees offer a charged pre-application service, and for a scheme of any size it is money well spent.
Natural England operates a discretionary advice service. The Environment Agency charges for pre-application advice at an hourly rate. Historic England offers pre-application advice on schemes affecting the assets it is consulted on. National Highways engages before submission on schemes affecting the strategic road network, and Active Travel England publishes its expectations for major applications.
Ask three questions in every pre-application meeting. What will you want to see with the application. What will make you object. And how long will your response take once it is validated. Write the answers down and send them back as a note for agreement, because a consultee who has confirmed the scope in writing is much less likely to widen it later.
Building consultee lead times into the programme
The honest planning programme has consultee time in it as a separate line, not folded into the determination period.
- Identify location triggers from the constraints search before the layout is fixed.
- Map scale triggers against the unit count and site area, and check whether the scheme sits within 10 per cent of any of them.
- Commission the technical work each consultee will expect, in the order the survey seasons allow.
- Book pre-application engagement with the two consultees most likely to object, at least three months before submission.
- Allow for one round of holding objection and response on any scheme with a flood, heritage or highways dimension.
- Agree an extension of time with the authority rather than letting the statutory period expire, because a non-determination appeal lands you in front of an inspector with an incomplete consultee position.
Where the scheme sits in a designated landscape, the consultation picture changes again, and major development in a National Landscape covers the policy test that comes with it.
This is general guidance, not legal advice, so check the position with your local planning authority or a qualified professional before relying on it.
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Frequently asked questions
How long do statutory consultees have to respond?
Twenty-one days is the expected period under the Development Management Procedure Order 2015, and performance against it is reported. In practice the first response is often a request for further information rather than a substantive view, so the realistic programme allowance is longer than the formal period suggests.
When is the Environment Agency a statutory consultee?
On development in Flood Zone 2 or 3, on sites of one hectare or more in Flood Zone 1, on development within 20 metres of a main river, and on certain proposals affecting groundwater or land contamination. These are location triggers, so a single dwelling in a flood zone brings the Agency in just as a major scheme does.
At what size is Active Travel England consulted?
It is consulted on major applications at the larger end, with thresholds framed around 150 or more dwellings, 7,500 square metres of floorspace or sites of 5 hectares or more. It was added to the statutory list relatively recently, so verify the current thresholds rather than relying on a figure learned earlier.
What is a holding objection?
It is an objection that stands until specified information is provided. It is not a legal bar on granting permission, but in practice an authority will not grant against one. The way through is to ask the consultee what would resolve it, agree the scope in writing, then submit the material formally rather than by email.
Can a consultee stop permission being granted?
National Highways can issue a direction under the Development Management Procedure Order restricting the grant of permission, and while that is in place the authority cannot lawfully grant. Other consultees influence rather than block, though an unresolved objection from the Environment Agency or Historic England usually produces a refusal in practice.
Sources and further reading
This article is general guidance about the planning system in England and, where stated, the rest of the UK. It is not legal or professional advice. Check your local planning authority’s validation requirements and take professional advice for your specific site.