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Postcode area report · 618 postcodes

G21 postcode area guide — Glasgow City

House prices, crime, broadband speeds, mobile signal, schools and demographics for the G21 postcode district in Glasgow City — every official dataset on one page.

The G21 postcode district serves Glasgow City, Scotland, with 618 postcodes currently in use.

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Where is G21?

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Broadband & internet speeds in G21

Excellent coverage

Superfast (30Mb+)

98.2%

Ultrafast (300Mb+)

94.4%

Gigabit-capable

93.9%

Below USO (10Mb)

0.2%

Broadband availability in the G21 postcode district (Glasgow City) is Excellent — gigabit-capable full fibre is widely available. Across the 618 postcodes Ofcom measures in G21, superfast broadband (30 Mbit/s or faster) reaches 98.2% of premises and gigabit-capable lines are available to 93.9%.

Around 0.2% of premises in G21 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 G21

PostcodeSuperfastGigabit
G21 1AA0%0%
G21 1AE100%100%
G21 1AF100%100%
G21 1AG100%100%
G21 1AJ0%0%
G21 1AL0%0%
G21 1AN100%100%
G21 1AP100%100%
G21 1AQ0%0%
G21 1AW100%100%

Run a speed test to see what you're actually getting, or check your exact postcode.

Mobile signal around Glasgow City

Ofcom's coverage model for the wider Glasgow City district (342,928 premises):

4G indoors — all networks

99.4%

4G outdoors — all networks

100%

5G outdoors — all networks

99.1%

Voice indoors — all networks

99.5%

Signal varies street by street — use the mobile coverage checker to compare EE, O2, Three and Vodafone at an exact postcode.

Food hygiene ratings in G21

215 rated food businesses operate in G21. 118 hold a Pass under the Food Hygiene Information Scheme used in Scotland, while 27 currently require improvement.

Among the Pass-rated: 7 Spices, A Weir - Butcher, Afro-Bite On Demand, Aldi, All Saints Secondary School.

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

Phone area codes for Glasgow City

Landlines around G21 typically use:

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What's it like living in G21?

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Moving to G21? Sort your connectivity first

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

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Postcodes in G21

Neighbouring districts

All Glasgow (G) postcode districts ›

Frequently asked questions

Where is the G21 postcode?
G21 covers Glasgow City in Scotland. It contains 618 live postcodes. Use the map and the postcode list on this page to pinpoint an exact address.
What broadband can I get in G21?
In G21, 98.2% of premises can order superfast broadband and 93.9% 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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