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Postcode area report · 459 postcodes

BT11 postcode area guide — Belfast

House prices, crime, broadband speeds, mobile signal, schools and demographics for the BT11 postcode district in Belfast — every official dataset on one page.

BT11 is a postcode district in Belfast, Northern Ireland, containing 459 live postcodes.

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Where is BT11?

Map loads as you scroll…

Broadband & internet speeds in BT11

Excellent coverage

Superfast (30Mb+)

99.9%

Ultrafast (300Mb+)

97.5%

Gigabit-capable

97.5%

Below USO (10Mb)

0%

Broadband availability in the BT11 postcode district (Belfast) is Excellent — gigabit-capable full fibre is widely available. Across the 459 postcodes Ofcom measures in BT11, superfast broadband (30 Mbit/s or faster) reaches 99.9% of premises and gigabit-capable lines are available to 97.5%.

Around 0% of premises in BT11 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 BT11

PostcodeSuperfastGigabit
BT11 8AA100%100%
BT11 8AB100%100%
BT11 8AD100%100%
BT11 8AE100%100%
BT11 8AF100%100%
BT11 8AG100%100%
BT11 8AH100%100%
BT11 8AJ100%100%
BT11 8AL100%100%
BT11 8AN100%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 BT11

Police recorded 316 incidents within about a mile of the centre of BT11 in May 2026 (latest published street-level data). The breakdown:

CategoryIncidentsShare
Anti-social behaviour11837.3%
Violence & sexual offences8025.3%
Criminal damage & arson3611.4%
Shoplifting278.5%
Drugs144.4%
Burglary103.2%
Other theft103.2%
Other crime72.2%

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 BT11

203 rated food businesses operate in BT11. 126 hold the top rating of 5, 35 are rated 4, and 6 are rated 2 or below.

Among the 5-rated: 28 Trench Park, 2k Coffee & Deli, Adventures Day Nursery, All Saints College - Glen Road Campus, Andersonstown Meats.

Source: Food Standards Agency, food hygiene ratings (FHRS) open data.

Phone area codes for Belfast

Landlines around BT11 typically use:

Had a call from an unknown number? Use our free UK phone number checker to see who called.

What's it like living in BT11?

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Moving to BT11? Sort your connectivity first

We arrange broadband, full-fibre, leased lines, VoIP and business mobiles across Belfast — free, no-obligation quote.

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Postcodes in BT11

Neighbouring districts

All Belfast (BT) postcode districts ›

Frequently asked questions

Where is the BT11 postcode?
BT11 covers Belfast in Northern Ireland. It contains 459 live postcodes. The map above shows the district centre; the postcode list further down covers individual addresses.
Is BT11 a safe area?
Police recorded 316 incidents within a mile of the centre of BT11 in May 2026, with Anti-social behaviour the most common category. Compare the breakdown above and check street-level detail on police.uk before drawing conclusions — a busy high street inflates raw counts.
What broadband can I get in BT11?
In BT11, 99.9% of premises can order superfast broadband and 97.5% are within reach of a gigabit-capable service (Ofcom Connected Nations). Enter a full postcode in the checker on this page for address-level availability.

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.

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