Ofcom data · 533 postcodes

N21 broadband coverage — Enfield

Full-fibre, gigabit and superfast broadband availability across the N21 postcode district, plus business broadband and leased-line options for Enfield.

Excellent coverage

Superfast (30Mb+)

96.9%

Ultrafast (300Mb+)

88.2%

Gigabit-capable

88%

Below USO (10Mb)

Check broadband at your exact N21 postcode

District figures are an average — get the precise availability, full-fibre status and mobile signal for your address.

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Broadband in N21

Broadband availability in the N21 postcode district (Enfield) is Excellent — gigabit-capable full fibre is widely available. Across the 533 postcodes Ofcom measures in N21, superfast broadband (30 Mbit/s or faster) reaches 96.9% of premises and gigabit-capable lines are available to 88%.

Around 0% of premises in N21 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 N21

Postcode	Superfast	Gigabit
N21 1AA	100%	66.7%
N21 1AB	100%	100%
N21 1AD	100%	100%
N21 1AE	100%	100%
N21 1AF	100%	0%
N21 1AG	100%	100%
N21 1AH	100%	100%
N21 1AJ	100%	100%
N21 1AL	100%	100%
N21 1AN	94.1%	94.1%

Business broadband & leased lines in Enfield

Whether the N21 district has full fibre yet or not, we can connect your business. Where FTTP and gigabit are live we quote ultrafast full-fibre; where they aren't, a leased line still delivers guaranteed, symmetric speeds with an SLA. We also handle mobile coverage and VoIP for the same site.

Get a business broadband quote for N21

Free, no obligation — full fibre, leased line or FTTC, matched to what's actually available at your postcode.

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Nearby N districts

N1 — 91.6% gigabit N16 — 91.3% gigabit N17 — 89.4% gigabit N7 — 83.7% gigabit N9 — 92.2% gigabit N4 — 92% gigabit N15 — 84.2% gigabit N12 — 71.8% gigabit N8 — 73.9% gigabit N22 — 72% gigabit

See all North London (N) broadband coverage ›

Frequently asked questions

What broadband speeds are available in the N21 area (Enfield)?

In the N21 area (Enfield), superfast broadband (30 Mbit/s+) is available to approximately 96.9% of premises and gigabit-capable broadband to around 88%, based on Ofcom Connected Nations data. Exact availability varies by postcode — enter your full postcode in our checker for a precise result.

Can I get full-fibre or gigabit broadband in the N21 area (Enfield)?

Gigabit-capable coverage in the N21 area (Enfield) stands at about 88% of premises. Where gigabit and full-fibre (FTTP) are live, businesses can order symmetric, low-latency connections — ideal for cloud, VoIP and multi-site working. If full fibre hasn't reached your premises yet, a leased line can still deliver guaranteed gigabit speeds.

How do I check broadband at my exact address in the N21 area (Enfield)?

Use the free broadband postcode checker on this page: enter your postcode to see fixed-broadband availability, gigabit/full-fibre coverage and mobile signal for all four networks at that location, sourced from official Ofcom data.

Who provides business broadband in the N21 area (Enfield)?

Most UK providers serve the N21 area (Enfield) over the Openreach and (where present) CityFibre or Virgin Media networks. Connection Technologies arranges business broadband, full-fibre (FTTP) and leased lines across the area — request a quote to compare options for your postcode.

Broadband availability data © 2026 Ofcom (Connected Nations), licensed under the Open Government Licence v3.0. Figures are area averages and predictions; availability at an individual address may differ — always confirm with a postcode-level check.