Southampton · SO15

Gas safety certificate in SO15 (Shirley)? We'll point you the right way.

Covering Shirley, Freemantle, Banister Park, Millbrook, including Banister & Polygon, Bargate, Bassett. Find Gas Safe registered engineers nearby.

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Request a gas safety certificate in SO15 (Shirley)

No gas safety engineer listed for SO15 (Shirley) yet. Tell us what you need and we'll find you a registered gas safety engineer, free.

Request a gas safety certificate in SO15 (Shirley)

How to check a gas safety engineer is registered: see the Southampton page.

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SO15 (Shirley) in a nutshell

SO15 covers Shirley, Freemantle, Banister Park, Millbrook, in Southampton. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.

Local tips for SO15

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Southampton council area

SO15 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

SO15 stretches across Banister & Polygon, Bargate, Bassett and more, so give your full postcode, not just 'SO15', when you ask for quotes.

Where's this from?postcodes.io (ONSPD) wards
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Mostly mains gas round here

Most homes in Southampton run on mains gas, so a standard boiler-and-hob check is what most people need.

Where's this from?ONS Census 2021, Southampton: 66.2% mains gas only
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New to gas safety certificates? 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

  • Every year: a check by a Gas Safe registered engineer.
  • Within 28 days: give your tenants a copy (new tenants get it before they move in).
  • Keep it: hang on to records for at least 2 years.

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

Next door to SO15

SO16 · BassettSO17 · HighfieldSO14 · City CentreSO18 · BitterneSO52 · North BaddesleySO40 · Totton

← Gas safety (CP12) across Southampton · all areas

Frequently asked questions

Which areas does SO15 cover?

SO15 (Shirley, Freemantle, Banister Park, Millbrook) includes the wards of Banister & Polygon, Bargate, Bassett, Freemantle, Millbrook, Redbridge, Shirley (ONS Postcode Directory via postcodes.io).

Which postcode districts are next to SO15?

Neighbouring districts include SO16 (Bassett), SO17 (Highfield), SO14 (City Centre) (ONS Postcode Directory via Doogal). A pro covering SO15 may well cover these too, so it's worth asking.

How many homes are in SO15?

About 18,155 households and 41,754 residents at the 2011 Census, across 1,167 active postcodes (Doogal / ONS Postcode Directory).

Which council area is SO15 in?

SO15 sits in Southampton (postcodes.io). Parliamentary constituency: Romsey and Southampton North, Southampton Itchen, Southampton Test.

📊 The numbers behind this page
Postcode district
SO15 1
Areas covered
Shirley, Freemantle, Banister Park, Millbrook 2
Active postcodes
1,167 3
Households (2011 Census, via Doogal)
18,155 2
Population (2011 Census, via Doogal)
41,754 2
Electoral wards
Banister & Polygon, Bargate, Bassett, Freemantle, Millbrook, Redbridge, Shirley 4
Parliamentary constituencies
Romsey and Southampton North, Southampton Itchen, Southampton Test 4
Local authority
Southampton 4
Households heated by mains gas only (Southampton built-up area)
66.2% 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.