Use this guide to understand BT1 1RB in Northern Ireland. Start with the interactive location and approximate postcode outline, then browse the available facts and local-area indicators. Labels show which figures relate to the exact postcode and which cover a larger geography.
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Create a Custom MapCore details from the ONS Postcode Directory. Geography codes identify the official areas containing this postcode.
| Postcode | BT1 1RB |
| Postcode without spaces | BT11RB |
| Status | Active postcode |
| User type | Small user postcode |
| Introduced | December 1984 |
| Directory version | 2026-06 |
| Latitude | 54.5999500 |
| Longitude | -5.9287940 |
| British National Grid | 333,904 E, 374,386 N |
| Country | Northern Ireland |
| Output Area (2021) | N20001079 |
| LSOA (2021) | N21000251 |
| MSOA (2021) | N99999999 |
| Electoral ward | N08000315 |
| Westminster constituency | N05000003 |
The postcode is assigned to these official political geographies. Names and election results will be added when the ElectionMaps datasets are connected.
A detailed vector map covering a 500 metre radius around the postcode.
Companies House records whose registered-office address uses this exact postcode.
Private Limited Company
Incorporated 12 May 2026
59111 - Motion picture production activities
Private Limited Company
Incorporated 24 March 2026
59111 - Motion picture production activities
Private Limited Company
Incorporated 19 December 2025
64209 - Activities of other holding companies n.e.c.
Private Limited Company
Incorporated 18 December 2025
64209 - Activities of other holding companies n.e.c.
Private Limited Company
Incorporated 14 October 2025
64209 - Activities of other holding companies n.e.c.
Private Limited Company
Incorporated 14 October 2025
64209 - Activities of other holding companies n.e.c.
Private Limited Company
Incorporated 14 October 2025
64209 - Activities of other holding companies n.e.c.
Private Limited Company
Incorporated 14 October 2025
59111 - Motion picture production activities
Private Limited Company
Incorporated 14 October 2025
64209 - Activities of other holding companies n.e.c.
Private Limited Company
Incorporated 5 September 2025
59111 - Motion picture production activities
Private Limited Company
Incorporated 4 September 2025
59111 - Motion picture production activities
Private Limited Company
Incorporated 8 August 2025
59111 - Motion picture production activities
Answers use the geographic scope stated with each dataset above.
BT1 1RB is in Northern Ireland.
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Explore other full postcodes in the same postcode sector.