Sutton · SM1

Gas safety certificate in SM1 (Sutton)? We'll point you the right way.

Covering Sutton, Rose Hill, The Wrythe, Carshalton, Benhilton, Erskine Village, including Carshalton Central, Cheam, St Helier West. Find Gas Safe registered engineers nearby.

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Request a gas safety certificate in SM1 (Sutton)

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Request a gas safety certificate in SM1 (Sutton)

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

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SM1 (Sutton) in a nutshell

SM1 covers Sutton, Rose Hill, The Wrythe, Carshalton, Benhilton, Erskine Village, in Sutton. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.

Local tips for SM1

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Sutton council area

SM1 is in Sutton'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

SM1 stretches across Carshalton Central, Cheam, St Helier West and more, so give your full postcode, not just 'SM1', when you ask for quotes.

Where's this from?postcodes.io (ONSPD) wards
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Postcodes change here

Lots of old SM1 postcodes have been retired. If an old letter shows a different postcode, use your current one.

Where's this from?Doogal/ONSPD: 843 of 1,577 postcodes active
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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 Sutton page. Always double-check on GOV.UK.

Next door to SM1

SM2 · BelmontSM3 · North CheamSM5 · CarshaltonSM4 · MordenSM6 · WallingtonSM7 · Banstead

← Gas safety (CP12) across Sutton · all areas

Frequently asked questions

Which areas does SM1 cover?

SM1 (Sutton, Rose Hill, The Wrythe, Carshalton, Benhilton, Erskine Village) includes the wards of Carshalton Central, Cheam, St Helier West, Stonecot, Sutton Central, Sutton North, Sutton South, Sutton West & East Cheam, The Wrythe (ONS Postcode Directory via postcodes.io).

Which postcode districts are next to SM1?

Neighbouring districts include SM2 (Belmont), SM3 (North Cheam), SM5 (Carshalton), SM4 (Morden), SM6 (Wallington) (ONS Postcode Directory via Doogal). A pro covering SM1 may well cover these too, so it's worth asking.

How many homes are in SM1?

About 16,359 households and 38,274 residents at the 2011 Census, across 843 active postcodes (Doogal / ONS Postcode Directory).

Which council area is SM1 in?

SM1 sits in Sutton (postcodes.io). Parliamentary constituency: Carshalton and Wallington, Sutton and Cheam.

📊 The numbers behind this page
Postcode district
SM1 1
Areas covered
Sutton, Rose Hill, The Wrythe, Carshalton, Benhilton, Erskine Village 2
Active postcodes
843 3
Households (2011 Census, via Doogal)
16,359 2
Population (2011 Census, via Doogal)
38,274 2
Electoral wards
Carshalton Central, Cheam, St Helier West, Stonecot, Sutton Central, Sutton North, Sutton South, Sutton West & East Cheam … 4
Parliamentary constituencies
Carshalton and Wallington, Sutton and Cheam 4
Local authority
Sutton 4
Households heated by mains gas only (Sutton built-up area)
75.3% 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.