Ofcom data · 949 postcodes

UB3 broadband coverage — Hillingdon

Full-fibre, gigabit and superfast broadband availability across the UB3 postcode district, plus business broadband and leased-line options for Hillingdon.

Excellent coverage

Superfast (30Mb+)

96.7%

Ultrafast (300Mb+)

92.5%

Gigabit-capable

92.5%

Below USO (10Mb)

Check broadband at your exact UB3 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 UB3

Broadband availability in the UB3 postcode district (Hillingdon) is Excellent — gigabit-capable full fibre is widely available. Across the 949 postcodes Ofcom measures in UB3, superfast broadband (30 Mbit/s or faster) reaches 96.7% of premises and gigabit-capable lines are available to 92.5%.

Around 0% of premises in UB3 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 UB3

Postcode	Superfast	Gigabit
UB3 1AA	6%	0%
UB3 1AD	100%	100%
UB3 1AG	100%	100%
UB3 1AH	100%	100%
UB3 1AJ	100%	100%
UB3 1AL	100%	100%
UB3 1AN	61.5%	61.5%
UB3 1AP	48.5%	48.5%
UB3 1AQ	100%	100%
UB3 1AR	100%	100%

Business broadband & leased lines in Hillingdon

Whether the UB3 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 UB3

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

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Nearby UB districts

UB6 — 90.3% gigabit UB5 — 89.9% gigabit UB8 — 80% gigabit UB10 — 89.4% gigabit UB4 — 94.4% gigabit UB7 — 81.4% gigabit UB1 — 81.4% gigabit UB2 — 77.7% gigabit UB9 — 61.6% gigabit UB11 — 3.9% gigabit

See all Uxbridge (UB) broadband coverage ›

Frequently asked questions

What broadband speeds are available in the UB3 area (Hillingdon)?

In the UB3 area (Hillingdon), superfast broadband (30 Mbit/s+) is available to approximately 96.7% of premises and gigabit-capable broadband to around 92.5%, 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 UB3 area (Hillingdon)?

Gigabit-capable coverage in the UB3 area (Hillingdon) stands at about 92.5% 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 UB3 area (Hillingdon)?

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 UB3 area (Hillingdon)?

Most UK providers serve the UB3 area (Hillingdon) 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.