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There are four ways to find a field on the map. All of them work in England only.

Search a postcode

Type a full postcode, such as OX1 1AA, and press Search. You see the open fields within 500 m of the postcode, nearest first. Fields have no postcode of their own, so the postcode of the nearest house or farm is usually the best place to start.

Search a town or village

Type the name of a town or village. Suggestions appear as you type. You see the open fields within 500 m of the edge of the place’s built-up area, both just outside it and the open land just inside. That’s where most new housing goes. If more than one place has the name, you’re asked which one you mean.
Street addresses don’t work. Search the postcode, or the town or village, instead.

Use your location

Tap Use my location (or the location button beside the search box). You see the open fields within 500 m of you. If you’re standing in a field and your device knows where you are closely enough, that field is picked for you: the panel says You’re in this field.

Draw the field

Tap Draw a field, then tap each corner of the field in turn, and tap the first corner again to finish. Every registered land parcel your shape covers is picked.
  • A parcel counts only if the shape covers a fair share of it (or it covers a fair share of the shape), so a wobbly line doesn’t pull in the field next door.
  • A report covers up to 20 fields. If your shape covers more, the 20 it covers most are picked.
  • A report on a drawn shape is weighted by how much of each field your shape covers.

What counts as a field

The fields come from HM Land Registry’s registered land parcels. A search shows parcels that are open land of at least 0.2 hectares; smaller ones are usually verges, gardens and slivers. A search shows up to 60 fields. If nothing is found, try a nearby postcode, or draw the field. Land that is leasehold or has never been registered has no parcel to find. The map keeps your search in the address bar, so you can bookmark or share it. You can also build a link yourself: See Using the map for what you can do once the fields are showing.