Portsmouth · PO3

Plumbing compliance check in PO3 (Portsmouth)? We'll point you the right way.

Covering Portsmouth, Hilsea, including Baffins, Charles Dickens, Copnor. Find plumbers nearby.

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Request a plumbing compliance check in PO3 (Portsmouth)

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PO3 (Portsmouth) in a nutshell

PO3 covers Portsmouth, Hilsea, in Portsmouth. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.

Local tips for PO3

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Portsmouth council area

PO3 is in Portsmouth's area. Some councils run their own landlord licensing, so it's worth checking theirs.

Where's this from?postcodes.io (ONSPD) local authority
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Give your full postcode

PO3 stretches across Baffins, Charles Dickens, Copnor and more, so give your full postcode, not just 'PO3', when you ask for quotes.

Where's this from?postcodes.io (ONSPD) wards
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Older terraces, older pipes

Portsmouth has lots of terraced homes. In older ones, ask the plumber to look at shared supply pipes and any old tanks in the loft.

Where's this from?ONS Census 2021, Portsmouth: 41.6% terraced
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New to plumbing compliance checks? Here's what to expect, how to get ready and what it costs, in plain English. Read the quick guide →

England landlord rules: quick version

  • No single certificate: but keep water, heating and sanitation in repair.
  • Legionella: assess the risk for each let.
  • CO alarms: needed where there's a fixed combustion appliance (not gas cookers).

More detail on the Portsmouth page. Always double-check on GOV.UK.

Next door to PO3

PO2 · PortsmouthPO4 · SouthseaPO6 · CoshamPO1 · PortsmouthPO5 · SouthseaPO7 · Waterlooville

← Plumbing & water compliance across Portsmouth · all areas

Frequently asked questions

Which areas does PO3 cover?

PO3 (Portsmouth, Hilsea) includes the wards of Baffins, Charles Dickens, Copnor, Fratton, Hilsea, Milton (ONS Postcode Directory via postcodes.io).

Which postcode districts are next to PO3?

Neighbouring districts include PO2 (Portsmouth), PO4 (Southsea), PO6 (Cosham), PO1 (Portsmouth), PO5 (Southsea) (ONS Postcode Directory via Doogal). A pro covering PO3 may well cover these too, so it's worth asking.

How many homes are in PO3?

About 8,051 households and 19,843 residents at the 2011 Census, across 441 active postcodes (Doogal / ONS Postcode Directory).

Which council area is PO3 in?

PO3 sits in Portsmouth (postcodes.io). Parliamentary constituency: Portsmouth North, Portsmouth South.

📊 The numbers behind this page
Postcode district
PO3 1
Areas covered
Portsmouth, Hilsea 2
Active postcodes
441 3
Households (2011 Census, via Doogal)
8,051 2
Population (2011 Census, via Doogal)
19,843 2
Electoral wards
Baffins, Charles Dickens, Copnor, Fratton, Hilsea, Milton 4
Parliamentary constituencies
Portsmouth North, Portsmouth South 4
Local authority
Portsmouth 4
Households in converted/shared houses (Portsmouth built-up area)
5.9% 5
  1. ONS Postcode Directory
  2. Doogal
  3. Doogal / ONSPD
  4. postcodes.io
  5. ONS Census 2021

Made with open data. See where it all comes from. Updated 26 October 2026.