The CPD is available for use by all Northern Ireland Mapping Agreement (NIMA) participants or those working on behalf of a NIMA participant. If you are unsure if you are a NIMA participant, you should confirm this with Land & Property Services (firstname.lastname@example.org) prior to download of the CPD.
Anyone working on behalf of NIMA participant must obtain the data from the NIMA participant and complete the relevant Sub-Licence form.
Non-NIMA customers can licence the product through the Address data and gazetteers section in the OSNI Online Map Shop.
The CPD provides a direct look-up between postcodes as of January 2021 and a range of geographies including Local Government Districts, Wards, Small Areas, Census Super Output Areas and Parliamentary Constituencies among others. A full list can obtained in the Guidance Notes which can be viewed via the link below.
Before Downloading the CPD:
Users must sign and return the Terms and Conditions document to receive a password for access to download CPD from this website.
Central Postcode Directory - Download Formats
- CPD Accuracy by Geography
- Introduction to Postal Geography & Geo-Referencing
- Guidance Notes
- CPD Methodology Flow Chart
- Advice on Linking CPD Tables
While NISRA endeavour to ensure the CPD is as accurate as possible, NISRA can give no guarantee to the accuracy or completeness of the data presented. Further clarification on any aspect not already covered relating to the transfer or dissemination of the data on the Central Postcode Directory should be directed to the NISRA Geography team.