BT1 postcode area guide — Belfast
House prices, crime, broadband speeds, mobile signal, schools and demographics for the BT1 postcode district in Belfast — every official dataset on one page.
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Where is BT1?
Broadband & internet speeds in BT1
Strong coverage
Superfast (30Mb+)
82.9%
Ultrafast (300Mb+)
70.6%
Gigabit-capable
70.9%
Below USO (10Mb)
0%
Broadband availability in the BT1 postcode district (Belfast) is Strong — superfast is near-universal and gigabit is rolling out. Across the 354 postcodes Ofcom measures in BT1, superfast broadband (30 Mbit/s or faster) reaches 82.9% of premises and gigabit-capable lines are available to 70.9%.
Around 0% of premises in BT1 fall below the Universal Service Obligation (a minimum of 10 Mbit/s download and 1 Mbit/s upload), so the overwhelming majority of homes and businesses here can already order a decent fixed line. For a business that depends on its connection, the figures that matter most are gigabit and full-fibre availability — the symmetric, low-contention services we quote leased lines and FTTP against.
Sample postcodes in BT1
| Postcode | Superfast | Gigabit |
|---|---|---|
| BT1 1AA | 100% | 100% |
| BT1 1BL | 100% | 100% |
| BT1 1BN | 0% | 0% |
| BT1 1BW | 0% | 0% |
| BT1 1DA | 60% | 60% |
| BT1 1DD | 98.8% | 98.8% |
| BT1 1DJ | 94.1% | 94.1% |
| BT1 1DL | 100% | 44.4% |
| BT1 1DN | 100% | 100% |
| BT1 1EA | 100% | 100% |
Run a speed test to see what you're actually getting, or check your exact postcode.
Mobile signal around Belfast
Ofcom's coverage model for the wider Belfast district (174,763 premises):
4G indoors — all networks
95.4%
4G outdoors — all networks
99.8%
5G outdoors — all networks
90.1%
Voice indoors — all networks
95.8%
Signal varies street by street — use the mobile coverage checker to compare EE, O2, Three and Vodafone at an exact postcode.
Crime in BT1
Police recorded 1,512 incidents within about a mile of the centre of BT1 in May 2026 (latest published street-level data). The breakdown:
| Category | Incidents | Share |
|---|---|---|
| Anti-social behaviour | 508 | 33.6% |
| Violence & sexual offences | 427 | 28.2% |
| Shoplifting | 152 | 10.1% |
| Drugs | 123 | 8.1% |
| Criminal damage & arson | 106 | 7.0% |
| Other theft | 84 | 5.6% |
| Other crime | 20 | 1.3% |
| Burglary | 19 | 1.3% |
Raw counts favour busy town centres — a high street with shops and nightlife records more incidents than a residential cul-de-sac. Source: police.uk open data (point sample around the district centroid).
Food hygiene ratings in BT1
394 rated food businesses operate in BT1. 274 hold the top rating of 5, 69 are rated 4, and 2 are rated 2 or below.
Among the 5-rated: 2 Taps Winebar, 39 Gordon Street and Lux, AC Hotel by Marriott, Agra Indian Cuisine & BFC Fried Chicken, Alexander.
Source: Food Standards Agency, food hygiene ratings (FHRS) open data.
Phone area codes for Belfast
Landlines around BT1 typically use:
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What's it like living in BT1?
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Postcodes in BT1
Neighbouring districts
All Belfast (BT) postcode districts ›
Frequently asked questions
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Sources: HM Land Registry Price Paid Data, police.uk street-level crime, Ofcom Connected Nations, ONS Census 2021, DfE Get Information about Schools, Food Standards Agency FHRS — all © Crown copyright, licensed under the Open Government Licence v3.0. Figures are area aggregates; individual addresses vary. Energy performance (EPC) data will be added when our Open Data Communities registration is approved.