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Ordnance Survey of Northern Ireland - OSNI Mapping

Ordnance Survey of Northern Ireland

What's new? -

Please note the OSNI Online Map Shop will be unavailable from 11.30 am to 2.30 pm on 31 July due to essential maintenance.

OSNI Online Helpdesk
Visit the OSNI
Online Map ShopOpens in a new browser window

OSNI ACEmap ®

Create an address centred mapping extract

OSNI Product Range

What’s in the full OSNI range of products?

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