Need help using our products, managing your account or understanding navigation technology? Find the online help you need, quickly.


Planning application maps
How to get hold of planning application maps.

Desktop wallpaper
Download a seasonal landscape photo for your desktop or mobile.

Historical resources
Find out how to access historical maps, learn about historical place names, and more.

Maps, geography, free resources
Learn how to read a map and access educational resources.

Property & political boundaries
Discover maps of boundary lines, counties and election constituencies.

Online shop

Read about our website's accessibility, from browser support to documents, links and images.

Delivery & returns information
See the delivery options you can choose from and find out how to return items.

Map shop help
Get answers to commonly asked questions about buying a map and items through our online shop.

Privacy policy
We're committed to protecting your personal data. Find out exactly how we use your information.

Terms & conditions
Read about our general terms as well as terms for OS Maps and our Map Shop.

Trade marks
Here's a list of OS product names and trade marks.


Choosing a map
Get help deciding which OS map is right for you.

Grid North, Magnetic North & True North
Find out about the three 'Norths', to help you get to grips with our maps.

Map reading & symbols
Watch map reading videos from Steve Backshall and download how-to guides.

The National Grid
Discover how the National Grid works in Great Britain.


Business customers

Create an OS customer account
You'll need an online account to order OS data or resell our data as an OS business partner.

How to pay us
Get bank details for Ordnance Survey Ltd, Ordnance Survey Leisure Ltd, Ordnance Survey International LLP and Geoplace LLP.

Password advice
Read FAQs about setting a password for your online account, and download our login guide.

Order data
Use your login to order OS map data, download data and manage your account users.

OS Orders help
Read FAQs about our data ordering system; pricing; OS products and delivery; and downloading your data.

Partner information
Find out how to become an OS business partner; find an OS partner; and log in to the secure partner area.

Understand our licensing
Use our interactive tool to choose the right licence or agreement that suits your needs and budget.

Public sector customers

Getting started with OS data
Find out where to start once you've got your digital OS mapping data and how you can use your data.
You can call us for help:
PSMA members: 03453 757595
OSMA members: 03454 580650

Find other PSMA/OSMA members
Use our map to find members of the public sector who are using OS data.

Licensing guidance
Get information about each of our licences and what this means for you using OS data.

Managing users
Log in to the public sector members area to manage who can access your OS account.

Members login area
Existing PSMA/OSMA members: Get the latest product updates; support; and stay in touch with your community.

Products included in the PSMA/OSMA
Get help using OS products through user guides, useful downloads and FAQs.


GPS & satellite navigation

Sat nav and GPS devices FAQs
Read FAQs about OS map data in satellite navigation devices.

The National Grid
Find out how the National Grid works in Great Britain.

Navigate using the OS Maps app
This app uses GPS to show you exactly where you are in Great Britain - you don't need phone signal.

OS Net

OS Net is OS's national coordinate system.

About OS Net
Find out about our network of global navigation satellite system (GNSS) base stations covering Great Britain.

Find out about the accuracy of our data and surveying, base stations and coordinate transformers, and how these work with the national GPS system.

Antenna phase centre offsets

Coordinate transformation tool
Easily convert eastings, northings, longitude and latitude coordinates. You can also use our spread sheet for coordinate calculations (xls).

OSTN15 and OSGM15 for developers
Find out how to incorporate these two models into software.

Online tools

OS Net RINEX data
Use this tool below to find stations and request data.

Coordinate transformation tool
Easily convert eastings, northings, longitude and latitude coordinates.

Bench marks
Bench marks are marks made by OS to record height. They're typically found on buildings or semi-permanent features.

Legacy control information
Find search tools for passive stations, benchmarks, triangulation stations and more.