Contact Ordnance Survey

We're here to answer your questions.

Leisure enquiries

General enquiries

  • General queries (including map errors, omissions and technical support): Email or call 03456 050505.
  • Planning application maps (get large-scale maps from OS Partners). See our planning applications page.
  • Careers/recruitment: Email or call 02380 056025 (9am-5pm, Monday to Friday)
  • For Welsh language enquiries, call our Welsh helpline 03456 05 05 04.

Business/commercial enquiries

Government/public sector enquiries

  • Public Sector Mapping Agreement (PSMA): Email or call 03453 757595.
  • One Scotland Mapping Agreement (OSMA) enquiries: Email or call 03454 580650.


While we always aim to exceed our customers’ expectations, sometimes things can go wrong. If you'd like to make a complaint please email giving as much detail as you can.


Please note:

Textphone (deaf and hard of hearing customers only please): 02380 056146
Textphone (from outside the UK – deaf and hard of hearing customers only please): +44 2380 056146

National calls are charged at the local rate.
International calls are charged at the standard rate.


Our frequently asked questions may help answer your queries:

Online support

Get help using our products, managing your OS account and understanding navigation technology.

Visit OS head office

Get our address and travel directions to our head office in Southampton.