Explore BT1 1GB 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 | BT1 1GB |
| Postcode without spaces | BT11GB |
| Status | Active postcode |
| User type | Small user postcode |
| Introduced | December 1984 |
| Directory version | 2026-06 |
| Latitude | 54.5992500 |
| Longitude | -5.9289690 |
| British National Grid | 333,884 E, 374,304 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 1 December 2020
47410 - Retail sale of computers, peripheral units and software in specialised stores
Other company type
Incorporated 23 July 2008
None Supplied
Other company type
Incorporated 7 June 2004
None Supplied
PRI/LBG/NSC (Private, Limited by guarantee, no share capital, use of 'Limited' exemption)
Incorporated 24 May 2000
94990 - Activities of other membership organizations n.e.c.
Answers use the geographic scope stated with each dataset above.
BT1 1GB is in Northern Ireland.
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Explore other full postcodes in the same postcode sector.