Storage yard or open storage planning permission

Using a field, a yard or a former car park for open storage is a material change of use and needs planning permission. Open storage planning permission is decided under Class B8, storage or distribution, and the decision usually turns on four things: whether the principle is acceptable in that location, how surface water and pollution are dealt with on a hard-surfaced yard, whether the access can take the vehicles, and what the site looks like from outside. None of those is about the containers themselves.

Class B8 and when open storage is a material change of use

Class B8 covers use for storage or as a distribution centre, and it applies to open land as much as to a building. Storing pallets, plant, containers, aggregates or vehicles on land is a B8 use of that land.

Section 55 of the Town and Country Planning Act 1990 makes the making of any material change in the use of land development. Land that was grazing, vacant or ancillary parking becoming a commercial storage yard is a change of character, not a change of degree, so permission is needed even where no building is proposed and nothing is fixed to the ground.

Two related points get overlooked. Laying hardstanding is an engineering operation and is development in its own right, which is why an application usually covers both the use and the surfacing. And a use that begins as incidental storage for a business on the same site can grow into a primary use, at which point it is a material change even though nothing visibly happened on a single day.

Where open storage stops being B8

Several open-air uses that look like storage sit outside Class B8, and getting this wrong produces a permission that does not authorise the business.

Open storage of vehicles for sale is car sales, which is sui generis rather than B8. A scrap yard, a waste transfer station or a site where materials are sorted, broken or processed is a waste use, sui generis and usually needing an environmental permit as well as planning permission. Storage combined with a trade counter is a mixed use, and the retail element engages town centre policy.

Describe the operation precisely on the application form and in the planning statement. Say what is stored, in what form, whether anything is processed, whether anything is sold from the site and whether vehicles are repaired. A planning statement that pins the use down protects you later, because a condition tied to a vague description is a condition you will breach without noticing.

Agricultural land to commercial yard

On agricultural land, the principle is the hard part. National policy supports a prosperous rural economy and the sustainable growth of businesses in the countryside, and it also resists isolated development unconnected to any settlement. Local plans usually add a criteria-based policy for rural employment.

The case that works is built on four points, in this order: the site is previously developed or of low agricultural quality, the use has a functional need to be in that location, the access is already suitable or can be made so, and the landscape effect is contained.

Best and most versatile agricultural land is a real constraint. Where the land is graded 1, 2 or 3a, expect the council to ask why lower grade land was not used, and expect an agricultural land classification survey to be requested where the grading is uncertain.

Green Belt is harder again. Open storage in the Green Belt is normally inappropriate development, because it is neither a building falling within an exception nor an appropriate use of open land, so the case has to be made on very special circumstances. That is a high bar and it is not met by commercial convenience.

Surfacing, drainage and pollution prevention

A yard is an impermeable surface with vehicles on it, which makes it a drainage and pollution question before it is anything else.

Surfacing a hectare of grass roughly turns rainfall that used to soak away into runoff that has to go somewhere. The drainage strategy needs to show the pre-development and post-development runoff rates, the attenuation provided, the discharge point and the agreement of whoever owns it. Discharge to a watercourse needs the consent of the lead local flood authority or the Environment Agency depending on the receiving water, and discharge to a public sewer needs the undertaker's agreement.

Pollution prevention is the second half. Yards used for vehicles, plant or fuel need oil separation before discharge, and a spill response plan. Where fuel is stored on site, bunding to the required standard and the relevant oil storage regulations apply.

Permeable surfacing helps on both counts and is often refused by operators on load-bearing grounds. Where a fully bound surface is needed for heavy plant, the answer is usually a bound yard draining to a swale or basin at the edge, which also gives you the landscape buffer you need anyway.

Illustrative example

An illustrative case: 0.8 hectares of grazing land beside a B-road, proposed for the storage of scaffolding and site cabins. The existing field gate has 40 m of visibility in one direction against a 60 mph limit. The scheme adds a bound yard, a 2.4 m by 90 m visibility splay achieved by setting the boundary hedge back within the applicant's own land, a 1.8 m bund with native planting on the road frontage, an attenuation basin at the low corner discharging at greenfield rate through an oil separator, and a wheel wash at the exit. The application succeeds on the strength of the access and the drainage, not on the storage.

Access geometry, HGV movements and mud on the road

The highway authority looks at three things: whether vehicles can enter and leave in forward gear, whether the visibility splays meet the standard for the road speed, and whether the vehicles the site will generate can physically make the turn.

Provide a swept path analysis for the largest vehicle you expect, showing the entry, the internal manoeuvre and the exit. Provide visibility splays drawn to scale, with the sight lines within land you control or within the public highway, because a splay across a third party's hedge is not deliverable.

Mud on the highway is a criminal matter as well as a planning one. Depositing mud on a road is an offence under the Highways Act 1980, and highway officers will ask for a wheel wash or a bound apron for a stated length inside the gate. Offer it in the application.

Where a new or altered access onto the public highway is involved, that is a separate consent from planning permission and runs on the highway authority's own timetable, in the same way dropped kerb applications do at a domestic scale.

Boundary treatment, stacking heights and visual impact

Open storage is visually difficult because the stored material changes daily and can be any height. Councils respond by conditioning both the boundary and the stack.

Propose a maximum stacking height yourself, expressed in metres above the finished yard level, and show it on a section against the boundary treatment. A 3 m limit behind a 2 m fence and a 2 m bund with planting reads very differently from an unlimited stack behind a palisade fence.

Boundary treatment that works in the countryside is a bund with native hedge and tree planting, not a fence. In an industrial estate the reverse is true, and a fence matching the estate's palette is what fits. Say which context you are in and design accordingly.

Where the site is prominent or near a designated landscape, expect a request for a landscape and visual appraisal, and treat the planting scheme as part of the application rather than a condition to be argued over later.

Noise, dust, lighting and the conditions to expect

Operational noise on a yard is reversing alarms, container handling, plant movements and early morning starts, and it is assessed under BS 4142 against the background at the nearest sensitive receptor. Broadband reversing alarms, a defined manoeuvring area away from the boundary and restricted early hours are the usual mitigation.

Dust comes from unbound surfaces and from stored aggregates. A bound yard, damping down in dry weather and sheeting of loads deal with most of it.

Lighting on a yard is often the thing neighbours notice first. Design to a recognised obtrusive light standard, with full cut-off luminaires, a stated maximum column height and a curfew.

Expect conditions on hours of operation, hours of deliveries, maximum stacking height, the area within which storage may take place, surfacing and drainage to be approved before use, a wheel wash, lighting details, boundary treatment and landscaping, HGV routeing, and a restriction to storage only with no processing, repair or sales. Read that last one before you accept it, because it defines your business.

Temporary permissions are common on open storage, particularly on agricultural land, and a three or five year temporary consent with a review is often the pragmatic outcome. Scoping the technical documents against the full list of report types at the outset is what keeps that timetable on track.

This is general guidance, not legal advice; check the position with your local planning authority or a qualified professional before relying on it.

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