Grazing horses or keeping them: the use class line

Turning horses out onto a field to eat the grass is agriculture. Keeping horses on that field, feeding them, rugging them, riding them and stabling them is not. That is the whole of the keeping horses change of use question, and it comes from section 336 of the Town and Country Planning Act 1990, which defines agriculture to include the use of land as grazing land and the breeding and keeping of livestock, where livestock means creatures kept for food, wool, skins or fur, or for use in the farming of land.

A riding horse is none of those things. So the grass is agricultural while the horse is merely eating it, and the moment the land is used for the horse rather than the horse being used on the land, a material change of use has occurred and permission is needed.

The courts drew that line decades ago and it has held. Applying it to a real field is where the difficulty starts.

Why the definition produces this result

Two limbs of the definition matter. The use of land as grazing land is expressly agriculture, without qualification about what is grazing. And the keeping of livestock is agriculture, but only for creatures within the statutory list.

Put together, they mean a field grazed by horses is in agricultural use so long as the grazing is the use. A field where horses are kept, which is a different activity involving feeding, shelter, exercise and management, is in a non-agricultural use. Sheep grazing alongside the horses does not change the analysis for the horse element.

The practical effect is that the same field, with the same fence and the same water trough, can be lawful or unlawful depending on what happens on it. A planning officer cannot tell from the boundary. They look for indicators.

The indicators officers actually look for

None of these is decisive on its own. Together they build a picture, and the picture is what an enforcement case turns on.

• Supplementary feeding: hay racks, ring feeders, hard feed buckets, feed stores. Grazing land does not need feeding.
• Rugs on the horses, which suggest management rather than grazing.
• Jumps, poles, barrels, a marked-out school or a manège surface.
• Field shelters, stables, tack rooms and hay stores.
• Muck heaps, which indicate the horses are being mucked out somewhere on the land.
• Post and rail fencing, and electric tape subdivision into small paddocks for rotation.
• Horse boxes and trailers parked on the land, and a hardstanding for them.
• Regular vehicle movements, particularly at consistent times of day.
• Water supplied by hose or piped trough rather than a natural source.

One rug and a hay rack in February is not a change of use. A school, a muck heap and three field shelters is. In between there is judgment, and the honest answer to a client asking where the line falls is that it depends on the overall character of what is happening.

Stables, field shelters and buildings

Buildings are a separate question from use, and this is where householders most often go wrong.

Stables are not agricultural buildings, so the permitted development rights for agricultural units in Part 6 of Schedule 2 to the General Permitted Development Order 2015 do not apply to them. A stable block on a field needs planning permission for the building, regardless of the use question. The same goes for a tack room, a hay barn built for horse use, a manège and any hardstanding.

Field shelters occupy an uncertain position. A shelter that is mobile, sits on skids or wheels, rests on the ground without foundations and is actually moved is arguable as not being development at all. A shelter that is bolted to a concrete pad and has not moved in three years is a building. The distinction is factual rather than a matter of the manufacturer's description, and a council will look at whether it has been moved, not whether it could be.

Lighting a manège raises a further set of issues in open countryside, where the visual effect of columns and spill light on a dark landscape can be the reason for refusal rather than the surface itself. Where the site is in a National Landscape or a prominent position, the case may need the visual work set out in a Landscape and Visual Impact Assessment.

Number of horses and intensity

There is no statutory number. Four horses on eight hectares of grazing with no buildings may be agriculture. Four horses on half a hectare with shelters and a school is not, and the small area is part of what makes it obvious.

What intensity does affect is the character of the use once it has changed. A private use with two horses and a mobile shelter is a modest change. A yard with twelve horses, deliveries, visiting farriers and vets, and clients coming to ride has a different traffic and amenity profile, and the council will assess it accordingly. That is also the point at which the use may have become a business rather than a private one, which is a further material change, and the threshold is discussed in the note on livery yards and the point horses become a business.

Commercial livery and riding schools

Commercial equestrian uses are generally treated as sui generis, falling outside the use classes, which means any move into or out of them needs permission. Grass livery, where the owner does nothing but let the grazing, sits closer to agriculture. Full livery, where the operator feeds, mucks out, turns out and exercises, is plainly a business use of land and buildings.

The assessment then turns on ordinary development management matters: access and visibility, parking and turning for horse boxes, traffic on narrow lanes, drainage from hardstandings and manèges, muck heap siting and odour, hours of use, and lighting. None of these is exotic, and all of them are easier to answer before submission than after a highways objection.

How to describe the use in an application

The description of development decides what you get, and a vague description gets a refusal or a permission you cannot use.

1. Say what the use is: change of use of land from agriculture to the keeping of horses, and state whether it is private or commercial.
2. State the number of horses if you are content to be limited to it, and expect a condition if you do not.
3. List the buildings and structures separately: stables, field shelter, tack room, manège with dimensions, hardstanding, muck heap position.
4. Describe the access arrangement and where vehicles park and turn.
5. Say what happens to the muck.

Then evidence the planning case in a Planning Statement that deals with countryside policy, landscape and visual effect, highway safety, and neighbour amenity. Where the use has been going on for years, consider whether a Lawful Development Certificate is the better application, because it asks a question of fact rather than of policy.

Illustrative example. A householder with a 1.6 hectare paddock behind the garden keeps two horses, feeds hay through the winter and has erected a shelter on a concrete base. The council treats the land as having changed to the keeping of horses and the shelter as a building. The owner applies for change of use plus retention of the shelter, describes the use as private with a maximum of three horses, accepts a condition prohibiting commercial livery, and relocates the muck heap 30 metres from the boundary. Figures are illustrative.

Enter your postcode on PlanScope to see which reports an equestrian change of use is likely to need.

This is general guidance, not legal advice. A Lawful Development Certificate is the only formal way to confirm that a use is lawful. Check the position with your local planning authority or a qualified professional before relying on it. PlanScope provides AI-assisted draft reports for planning applications. Reports should be reviewed before submission. We do not guarantee planning approval.