Producing a location plan the council will validate
Location plans cause more invalidations than reports. The national requirement, the conventions every authority applies, and the five checks to run before uploading.
A planning application location plan has to do one job: show a stranger exactly where your site is, on an up-to-date map, at a scale the council accepts. The national validation requirements expect a plan based on an accurate, current map, normally at 1:1250 or 1:2500 for the location plan, with the application site edged in red, any other adjoining land owned or controlled by the applicant edged in blue, a north point and a scale bar, and enough surrounding detail, usually two named roads, for the site to be found without ambiguity.
Get that wrong and the application is returned before anyone looks at your extension. It is the single most common reason householder submissions fail validation.
What the national requirement asks for
Article 7 of the Development Management Procedure Order 2015 requires a plan identifying the land to which the application relates, together with the plans and drawings necessary to describe the development. The location plan is the first of those. Its purpose is legal as much as practical: the red line defines what permission is sought for, and the certificates on the application form are signed against it.
The conventions have settled into a standard that almost every authority applies:
- location plan at 1:1250 in built-up areas, or 1:2500 for larger or rural sites
- based on an up-to-date map, not a scan of a twenty-year-old deed plan
- north point shown
- scale bar shown, and the stated scale correct for the sheet size printed
- site outlined in red, other land in the same ownership outlined in blue
- at least two named roads and the surrounding buildings shown
- a separate block plan, commonly at 1:500 or 1:200, where the local list asks for one
Print it at the stated size. A 1:1250 plan exported to fit an A4 page is no longer at 1:1250, and officers do check with a scale rule.
Scale, north point and the red line
The red line goes around everything needed to carry out the development. For a rear extension that is usually the house and its curtilage. For a new access it includes the land the access crosses and any visibility splay on third-party or highway land. For a self-build plot it includes the drainage run if that runs outside the plot.
Draw it as a continuous line, edged rather than hatched, so the boundary is unmistakable. Where the site includes land in a different ownership, the ownership certificates on the form change and notice has to be served on the other owner, so the line and the certificate must agree. That is the pairing that causes the most serious problems, because signing the wrong certificate is an offence rather than a paperwork error.
The blue line is for other land you own or control that adjoins the site. Not the whole street. Not land you are hoping to buy.
Including the land you need for access
Access catches people out on two kinds of application. A dropped kerb or new vehicle crossover involves highway land, so the red line crosses the footway to the carriageway, and a separate highway authority approval is needed for the works themselves. A shared private drive used to reach a plot has to be inside the red line if the development depends on it.
Where you have a right of way over land you do not own, the land still goes inside the red line if works are needed on it, and certificate B applies with notice to the owner. Where no works are needed and you are simply using an existing route, it does not.
Ask the question plainly: could the development be built and used without touching this strip of land. If the answer is no, it goes in red.
Buying a plan or drawing your own
Ordnance Survey mapping is licensed, and a plan copied from an online map without a licence is a copyright problem the council will not police but your agent should. The practical routes:
- Buy a licensed location plan from a plan supplier, which arrives as a PDF at a stated scale with the mapping licence shown.
- Have your architect or agent produce it from licensed mapping they already hold.
- Use a measured topographical survey as the base for the block plan, with a bought location plan for the wider context.
Marking up a bought plan yourself is fine. Add the red line, the blue line if it applies, the north point if the supplier has not, and the address. Keep the licence statement visible.
For anything beyond a simple extension a measured survey is worth the cost, because the block plan then carries accurate boundaries, levels and tree positions and the same base drawing serves the whole application. Our note on site location plans councils accept sets out the conventions in more detail.
Why plans get rejected
The recurring faults, in rough order of frequency:
- no scale bar, or a scale that does not match the printed sheet
- no north point
- red line missing, or drawn as a hatch that obscures the boundary
- access land left outside the red line
- other land in the same ownership not edged blue
- an out-of-date base map that does not show a recent building
- the wrong property outlined, usually one plot along
- the site plan submitted as the location plan, with no surrounding context
The last one is worth dwelling on. A location plan shows the site in its surroundings. A site or block plan shows the development within the site. Authorities ask for both, and supplying one twice is a return.
Checking against the local validation list
The national requirement is the floor. Local lists add items, and the ones that touch plans are common: a block plan at a stated scale, existing and proposed levels on sloping sites, a plan showing trees and their canopies, parking and turning shown to a scale, bin and cycle storage positions, and a drainage layout. Download the list for your authority, find the plans section, and tick each item off.
Where a constraint applies, the list usually adds a document as well. A site in a conservation area or near a listed building will attract a Heritage Statement requirement, and a site over the stated area threshold changes the application category altogether, which our note on the 0.5 hectare rule explains.
Before you upload
Open the plan at full size and check five things: the scale bar against a rule, the north point, the red line against the house you actually own, the blue line against the rest of your land, and the address printed on the sheet. Then check the ownership certificate on the form matches the lines you have drawn.
Five minutes. It saves the fortnight that an invalidated application costs, and the council will not tell you it was returned until you ask.
Enter your postcode on PlanScope to confirm your property and see which reports and plans your project is likely to need.
This is general guidance, not legal advice; check the position with your local planning authority 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.
Frequently asked questions
What scale should a location plan be?
Normally 1:1250 in built-up areas and 1:2500 for larger or rural sites, printed at the sheet size the scale assumes. Exporting a 1:1250 plan to fit an A4 page changes the scale and officers check with a rule. Local lists often add a block plan at 1:500 or 1:200, so check the plans section of the list.
What goes inside the red line?
Everything needed to carry out and use the development: the building, its curtilage, any new access including the crossing of the footway, visibility splays where works are required, and drainage runs outside the plot. If the development could not be built or used without a piece of land, that land is edged red and the ownership certificate must match.
When do I need a blue line?
Where you own or control other adjoining land that is not part of the application site. It is limited to adjoining land in the same ownership, not the whole street and not land you hope to acquire. Omitting it is a frequent reason for return, because the certificate on the form depends on it.
Can I use a screenshot of an online map?
Ordnance Survey mapping is licensed, so a marked-up screenshot is a copyright problem even where a council accepts it. Buy a licensed plan from a supplier at the stated scale, or have your agent produce one from mapping they hold. Keep the licence statement visible on the sheet you submit.
What is the difference between a location plan and a site plan?
The location plan shows where the site is within its surroundings, with named roads and neighbouring buildings. The site or block plan shows the development within the site, at a larger scale, with dimensions, levels and features such as trees and parking. Councils ask for both, and submitting the same drawing twice will be returned.
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.