Southampton · SO16

Gas safety certificate in SO16 (Bassett)? We'll point you the right way.

Covering Bassett, Redbridge, Rownhams, Nursling, Chilworth, including Chilworth, Nursling & Rownhams, Coxford, Freemantle. Find Gas Safe registered engineers nearby.

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Request a gas safety certificate in SO16 (Bassett)

No gas safety engineer listed for SO16 (Bassett) yet. Tell us what you need and we'll find you a registered gas safety engineer, free.

Request a gas safety certificate in SO16 (Bassett)

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

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SO16 (Bassett) in a nutshell

SO16 covers Bassett, Redbridge, Rownhams, Nursling, Chilworth, in Southampton and Test Valley. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.

Local tips for SO16

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Two councils in one district

SO16 is split between Southampton and Test Valley. Some councils run their own landlord licensing, so check which one your home is in.

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

SO16 stretches across Bassett, Chilworth, Nursling & Rownhams, Coxford and more, so give your full postcode, not just 'SO16', 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 SO16

SO15 · ShirleySO17 · HighfieldSO52 · North BaddesleySO14 · City CentreSO18 · Bitterne

← Gas safety (CP12) across Southampton · all areas

Frequently asked questions

Which areas does SO16 cover?

SO16 (Bassett, Redbridge, Rownhams, Nursling, Chilworth) includes the wards of Bassett, Chilworth, Nursling & Rownhams, Coxford, Freemantle, Millbrook, Portswood, Redbridge, Shirley, Swaythling (ONS Postcode Directory via postcodes.io).

Which postcode districts are next to SO16?

Neighbouring districts include SO15 (Shirley), SO17 (Highfield), SO52 (North Baddesley) (ONS Postcode Directory via Doogal). A pro covering SO16 may well cover these too, so it's worth asking.

How many homes are in SO16?

About 26,827 households and 66,350 residents at the 2011 Census, across 1,542 active postcodes (Doogal / ONS Postcode Directory).

Which council area is SO16 in?

SO16 sits in Southampton, Test Valley (postcodes.io). Parliamentary constituency: Romsey and Southampton North, Southampton Test.

📊 The numbers behind this page
Postcode district
SO16 1
Areas covered
Bassett, Redbridge, Rownhams, Nursling, Chilworth 2
Active postcodes
1,542 3
Households (2011 Census, via Doogal)
26,827 2
Population (2011 Census, via Doogal)
66,350 2
Electoral wards
Bassett, Chilworth, Nursling & Rownhams, Coxford, Freemantle, Millbrook, Portswood, Redbridge, Shirley … 4
Parliamentary constituencies
Romsey and Southampton North, Southampton Test 4
Local authority
Southampton, Test Valley 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.