Ofcom data · 1,087 postcodes

SP4 broadband coverage — Test Valley

Full-fibre, gigabit and superfast broadband availability across the SP4 postcode district, plus business broadband and leased-line options for Test Valley.

Strong coverage

Superfast (30Mb+)

92.8%

Ultrafast (300Mb+)

65%

Gigabit-capable

65%

Below USO (10Mb)

0.4%

Check broadband at your exact SP4 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 SP4

Broadband availability in the SP4 postcode district (Test Valley) is Strong — superfast is near-universal and gigabit is rolling out. Across the 1,087 postcodes Ofcom measures in SP4, superfast broadband (30 Mbit/s or faster) reaches 92.8% of premises and gigabit-capable lines are available to 65%.

Around 0.4% of premises in SP4 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 SP4

Postcode	Superfast	Gigabit
SP4 0AA	100%	0%
SP4 0AB	95%	0%
SP4 0AD	75%	0%
SP4 0AE	100%	0%
SP4 0AF	100%	100%
SP4 0AG	100%	0%
SP4 0AH	100%	0%
SP4 0AJ	100%	0%
SP4 0AL	100%	0%
SP4 0AN	100%	0%

Business broadband & leased lines in Test Valley

Whether the SP4 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 SP4

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

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Nearby SP districts

SP11 — 47.2% gigabit SP5 — 52.2% gigabit SP10 — 75.6% gigabit SP2 — 82% gigabit SP3 — 32.4% gigabit SP1 — 95.8% gigabit SP7 — 74.4% gigabit SP6 — 63.8% gigabit SP8 — 78.1% gigabit SP9 — 52.4% gigabit

See all Salisbury (SP) broadband coverage ›

Frequently asked questions

What broadband speeds are available in the SP4 area (Test Valley)?

In the SP4 area (Test Valley), superfast broadband (30 Mbit/s+) is available to approximately 92.8% of premises and gigabit-capable broadband to around 65%, 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 SP4 area (Test Valley)?

Gigabit-capable coverage in the SP4 area (Test Valley) stands at about 65% 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 SP4 area (Test Valley)?

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 SP4 area (Test Valley)?

Most UK providers serve the SP4 area (Test Valley) 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.