PO4 postcode area guide — Portsmouth

Where is PO4?

Broadband & internet speeds in PO4

Excellent coverage

Broadband availability in the PO4 postcode district (Portsmouth) is Excellent — gigabit-capable full fibre is widely available. Across the 732 postcodes Ofcom measures in PO4, superfast broadband (30 Mbit/s or faster) reaches 99.6% of premises and gigabit-capable lines are available to 96.1%.

Around 0% of premises in PO4 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 PO4

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

Mobile signal around Portsmouth

Ofcom's coverage model for the wider Portsmouth district (95,670 premises):

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

Crime in PO4

Police recorded 611 incidents within about a mile of the centre of PO4 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 PO4

Based on 509 sales registered with HM Land Registry in the last 12 months, the median sold price in PO4 is £268,500, up 3.3% on the previous year (£260,000).

Latest recorded sales in PO4

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

Who lives here? Portsmouth demographics

Census 2021 figures for the wider Portsmouth district (208,003 residents, 86,155 households):

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

Schools in and around PO4

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 PO4

247 rated food businesses operate in PO4. 131 hold the top rating of 5, 47 are rated 4, and 21 are rated 2 or below.

Among the 5-rated: 2 Nice Cafe, Active8 Minds, Aldi Fratton Way, Portsmouth, Alton Manor Care Home, Bay Coffee.

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

Energy performance (EPC) in PO4

From a sample of 455 Energy Performance Certificates across 10 PO4 postcodes, the most common rating is band D (average band D). 36% 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 Portsmouth

Landlines around PO4 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 PO4?

Postcodes in PO4

Neighbouring districts

All Portsmouth (PO) 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.