Ofcom data · 182 postcodes

SW1Y broadband coverage — Wandsworth

Full-fibre, gigabit and superfast broadband availability across the SW1Y postcode district, plus business broadband and leased-line options for Wandsworth.

Excellent coverage

Superfast (30Mb+)

83.7%

Ultrafast (300Mb+)

83.7%

Gigabit-capable

83.7%

Below USO (10Mb)

Check broadband at your exact SW1Y 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 SW1Y

Broadband availability in the SW1Y postcode district (Wandsworth) is Excellent — gigabit-capable full fibre is widely available. Across the 182 postcodes Ofcom measures in SW1Y, superfast broadband (30 Mbit/s or faster) reaches 83.7% of premises and gigabit-capable lines are available to 83.7%.

Around 0% of premises in SW1Y 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 SW1Y

Postcode	Superfast	Gigabit
SW1Y 4AA	100%	100%
SW1Y 4AD	100%	100%
SW1Y 4AE	100%	100%
SW1Y 4AH	0%	0%
SW1Y 4AJ	0%	0%
SW1Y 4AL	100%	100%
SW1Y 4AN	100%	100%
SW1Y 4AR	100%	100%
SW1Y 4AU	100%	100%
SW1Y 4BE	100%	100%

Business broadband & leased lines in Wandsworth

Whether the SW1Y 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 SW1Y

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

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Nearby SW districts

SW19 — 80% gigabit SW11 — 83.2% gigabit SW6 — 80% gigabit SW16 — 87.8% gigabit SW15 — 54.3% gigabit SW18 — 86.9% gigabit SW2 — 89.3% gigabit SW17 — 90.1% gigabit SW9 — 88.7% gigabit SW4 — 87.1% gigabit

See all South West London (SW) broadband coverage ›

Frequently asked questions

What broadband speeds are available in the SW1Y area (Wandsworth)?

In the SW1Y area (Wandsworth), superfast broadband (30 Mbit/s+) is available to approximately 83.7% of premises and gigabit-capable broadband to around 83.7%, 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 SW1Y area (Wandsworth)?

Gigabit-capable coverage in the SW1Y area (Wandsworth) stands at about 83.7% 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 SW1Y area (Wandsworth)?

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 SW1Y area (Wandsworth)?

Most UK providers serve the SW1Y area (Wandsworth) 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.