Explore BT11 9BY in Northern Ireland on an interactive map. See its location and approximate address-derived boundary, then review the exact-postcode facts and wider-area statistics available below. Editable vector files, printed maps and postcode colouring tools are also available.
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Create a Custom MapCore details from the ONS Postcode Directory. Geography codes identify the official areas containing this postcode.
| Postcode | BT11 9BY |
| Postcode without spaces | BT119BY |
| Status | Active postcode |
| User type | Small user postcode |
| Introduced | December 1984 |
| Directory version | 2026-06 |
| Latitude | 54.5732800 |
| Longitude | -5.9886690 |
| British National Grid | 330,120 E, 371,305 N |
| Country | Northern Ireland |
| Output Area (2021) | N20001364 |
| LSOA (2021) | N21000315 |
| MSOA (2021) | N99999999 |
| Electoral ward | N08000301 |
| Westminster constituency | N05000004 |
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 22 November 2025
41201 - Construction of commercial buildings
Community Interest Company
Incorporated 13 August 2025
72200 - Research and experimental development on social sciences and humanities
Private Limited Company
Incorporated 16 January 2025
56101 - Licensed restaurants
Private Limited Company
Incorporated 21 March 2022
70100 - Activities of head offices
PRI/LTD BY GUAR/NSC (Private, limited by guarantee, no share capital)
Incorporated 4 January 2021
88990 - Other social work activities without accommodation n.e.c.
Private Limited Company
Incorporated 30 December 2016
41100 - Development of building projects
Private Limited Company
Incorporated 22 January 2016
41100 - Development of building projects
Private Limited Company
Incorporated 17 July 2015
41202 - Construction of domestic buildings
Private Limited Company
Incorporated 27 July 2020
41100 - Development of building projects
Answers use the geographic scope stated with each dataset above.
BT11 9BY is in Northern Ireland.
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