BT3 postcode area guide — Belfast
House prices, crime, broadband speeds, mobile signal, schools and demographics for the BT3 postcode district in Belfast — every official dataset on one page.
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Where is BT3?
Broadband & internet speeds in BT3
Strong coverage
Superfast (30Mb+)
82.8%
Ultrafast (300Mb+)
63.9%
Gigabit-capable
63.9%
Below USO (10Mb)
5.9%
Broadband availability in the BT3 postcode district (Belfast) is Strong — superfast is near-universal and gigabit is rolling out. Across the 80 postcodes Ofcom measures in BT3, superfast broadband (30 Mbit/s or faster) reaches 82.8% of premises and gigabit-capable lines are available to 63.9%.
Around 5.9% of premises in BT3 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 BT3
| Postcode | Superfast | Gigabit |
|---|---|---|
| BT3 9AA | 33.3% | 33.3% |
| BT3 9AD | 100% | 100% |
| BT3 9AE | 100% | 100% |
| BT3 9AG | 50% | 50% |
| BT3 9AH | 100% | 100% |
| BT3 9AL | 16.7% | 16.7% |
| BT3 9AQ | 66.7% | 66.7% |
| BT3 9AR | 44.4% | 40.7% |
| BT3 9AS | 33.3% | 33.3% |
| BT3 9AU | 0% | 0% |
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 BT3
Police recorded 110 incidents within about a mile of the centre of BT3 in May 2026 (latest published street-level data). The breakdown:
| Category | Incidents | Share |
|---|---|---|
| Violence & sexual offences | 40 | 36.4% |
| Anti-social behaviour | 27 | 24.5% |
| Drugs | 12 | 10.9% |
| Criminal damage & arson | 9 | 8.2% |
| Other theft | 9 | 8.2% |
| Shoplifting | 3 | 2.7% |
| Other crime | 3 | 2.7% |
| Bicycle theft | 2 | 1.8% |
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 BT3
82 rated food businesses operate in BT3. 71 hold the top rating of 5, 4 are rated 4, and none are currently rated 2 or below.
Among the 5-rated: Aramark At Heritage Cafe Proni, Artisan Bar & Starbucks, Ashers Baking Co, Aspire Lounge, Barista Belfast VT2.
Source: Food Standards Agency, food hygiene ratings (FHRS) open data.
Phone area codes for Belfast
Landlines around BT3 typically use:
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What's it like living in BT3?
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Moving to BT3? Sort your connectivity first
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Postcodes in BT3
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.