Ordnance Survey – Great Britain's national mapping agency
![Ordnance Survey home page [logo]](/images/gui/logo-home.gif){kind=logo}
Frequently asked questions
Why can't I access the entire database of OS Sitemap mapping via your web site and then download my required site?
Ordnance Survey does not sell OS Sitemap directly. However you are able to purchase OS Sitemap via e-mail direct from your local Mapping and Data Centre, without having to leave your office.
Find your nearest Mapping and Data Centre