Southampton · SO17

Plumbing compliance check in SO17 (Highfield)? We'll point you the right way.

Covering Highfield, Portswood, St Denys, Swaythling, including Banister & Polygon, Bassett, Bevois. Find plumbers nearby.

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Request a plumbing compliance check in SO17 (Highfield)

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SO17 (Highfield) in a nutshell

SO17 covers Highfield, Portswood, St Denys, Swaythling, in Southampton. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.

Local tips for SO17

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Southampton council area

SO17 is in Southampton'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

SO17 stretches across Banister & Polygon, Bassett, Bevois and more, so give your full postcode, not just 'SO17', when you ask for quotes.

Where's this from?postcodes.io (ONSPD) wards
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Converted flats and bedsits

Converted houses often share pipework between flats, so a leak upstairs can become your problem. Know where your stopcock is!

Where's this from?ONS Census 2021, Southampton: 5.0% converted/shared houses
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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 Southampton page. Always double-check on GOV.UK.

Next door to SO17

SO14 · City CentreSO18 · BitterneSO15 · ShirleySO16 · BassettSO19 · Sholing

← Plumbing & water compliance across Southampton · all areas

Frequently asked questions

Which areas does SO17 cover?

SO17 (Highfield, Portswood, St Denys, Swaythling) includes the wards of Banister & Polygon, Bassett, Bevois, Freemantle, Portswood, Swaythling (ONS Postcode Directory via postcodes.io).

Which postcode districts are next to SO17?

Neighbouring districts include SO14 (City Centre), SO18 (Bitterne), SO15 (Shirley) (ONS Postcode Directory via Doogal). A pro covering SO17 may well cover these too, so it's worth asking.

How many homes are in SO17?

About 7,627 households and 19,431 residents at the 2011 Census, across 441 active postcodes (Doogal / ONS Postcode Directory).

Which council area is SO17 in?

SO17 sits in Southampton (postcodes.io). Parliamentary constituency: Romsey and Southampton North, Southampton Test.

📊 The numbers behind this page
Postcode district
SO17 1
Areas covered
Highfield, Portswood, St Denys, Swaythling 2
Active postcodes
441 3
Households (2011 Census, via Doogal)
7,627 2
Population (2011 Census, via Doogal)
19,431 2
Electoral wards
Banister & Polygon, Bassett, Bevois, Freemantle, Portswood, Swaythling 4
Parliamentary constituencies
Romsey and Southampton North, Southampton Test 4
Local authority
Southampton 4
Households in converted/shared houses (Southampton built-up area)
5.0% 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.