SO17 postcode area guide — Southampton

Where is SO17?

Broadband & internet speeds in SO17

Excellent coverage

Broadband availability in the SO17 postcode district (Southampton) is Excellent — gigabit-capable full fibre is widely available. Across the 437 postcodes Ofcom measures in SO17, superfast broadband (30 Mbit/s or faster) reaches 99.5% of premises and gigabit-capable lines are available to 95.3%.

Around 0% of premises in SO17 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 SO17

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

Mobile signal around Southampton

Ofcom's coverage model for the wider Southampton district (116,126 premises):

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

Crime in SO17

Police recorded 478 incidents within about a mile of the centre of SO17 in May 2026 (latest published street-level data). The breakdown:

Raw counts favour busy town centres — a high street with shops and nightlife records more incidents than a residential cul-de-sac. Source: police.uk open data (point sample around the district centroid).

House prices in SO17

Based on 600 sales registered with HM Land Registry in the last 12 months, the median sold price in SO17 is £181,858, down 30.1% on the previous year (£260,000).

Latest recorded sales in SO17

Contains HM Land Registry data © Crown copyright and database right 2026, licensed under the Open Government Licence v3.0.

Who lives here? Southampton demographics

Census 2021 figures for the wider Southampton district (248,922 residents, 102,290 households):

Source: ONS Census 2021 (district level — the finest openly licensed cut we republish). © Crown copyright, OGL v3.0.

Schools in and around SO17

Source: DfE Get Information about Schools (England & Wales). Check Ofsted report cards for inspection detail — headline one-word grades were retired in 2024.

Food hygiene ratings in SO17

136 rated food businesses operate in SO17. 83 hold the top rating of 5, 22 are rated 4, and 4 are rated 2 or below.

Among the 5-rated: .HEYBOBA Portswood, Al Baraka Superstore, ANESTI LIMITED, Arlott Bar, BEK Sourdough Bakery.

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

Energy performance (EPC) in SO17

From a sample of 197 Energy Performance Certificates across 11 SO17 postcodes, the most common rating is band D (average band D). 33% of sampled homes are rated C or better.

Source: MHCLG Energy Performance of Buildings Data (England & Wales), sampled at postcode level and refreshed monthly. Individual certificates are on each postcode’s page.

Phone area codes for Southampton

Landlines around SO17 typically use:

Had a call from an unknown number? Use our free UK phone number checker to see who called.

What's it like living in SO17?

Postcodes in SO17

Neighbouring districts

All Southampton (SO) postcode districts ›

Frequently asked questions

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.