Sheffield · S21

Gas safety certificate in S21 (Eckington)? We'll point you the right way.

Covering Eckington, Killamarsh, Renishaw, Spinkhill, including Barlborough, Eckington North, Eckington South & Renishaw. Find Gas Safe registered engineers nearby.

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Request a gas safety certificate in S21 (Eckington)

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Request a gas safety certificate in S21 (Eckington)

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

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S21 (Eckington) in a nutshell

S21 covers Eckington, Killamarsh, Renishaw, Spinkhill, in Bolsover and Chesterfield and North East Derbyshire. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.

Local tips for S21

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Two councils in one district

S21 is split between Bolsover and Chesterfield and North East Derbyshire. 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

S21 stretches across Barlborough, Eckington North, Eckington South & Renishaw and more, so give your full postcode, not just 'S21', when you ask for quotes.

Where's this from?postcodes.io (ONSPD) wards
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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 Sheffield page. Always double-check on GOV.UK.

Next door to S21

S20 · WestfieldS43 · BarlboroughS26 · AstonS13 · HandsworthS12 · BirleyS44 · Bolsover

← Gas safety (CP12) across Sheffield · all areas

Frequently asked questions

Which areas does S21 cover?

S21 (Eckington, Killamarsh, Renishaw, Spinkhill) includes the wards of Barlborough, Eckington North, Eckington South & Renishaw, Killamarsh East, Killamarsh West, Ridgeway & Marsh Lane, Staveley North, Unstone (ONS Postcode Directory via postcodes.io).

Which postcode districts are next to S21?

Neighbouring districts include S20 (Westfield), S43 (Barlborough), S26 (Aston) (ONS Postcode Directory via Doogal). A pro covering S21 may well cover these too, so it's worth asking.

How many homes are in S21?

About 8,709 households and 20,778 residents at the 2011 Census, across 467 active postcodes (Doogal / ONS Postcode Directory).

Which council area is S21 in?

S21 sits in Bolsover, Chesterfield, North East Derbyshire (postcodes.io). Parliamentary constituency: Bolsover, North East Derbyshire.

📊 The numbers behind this page
Postcode district
S21 1
Areas covered
Eckington, Killamarsh, Renishaw, Spinkhill 2
Active postcodes
467 3
Households (2011 Census, via Doogal)
8,709 2
Population (2011 Census, via Doogal)
20,778 2
Electoral wards
Barlborough, Eckington North, Eckington South & Renishaw, Killamarsh East, Killamarsh West, Ridgeway & Marsh Lane, Staveley North, Unstone 4
Parliamentary constituencies
Bolsover, North East Derbyshire 4
Local authority
Bolsover, Chesterfield, North East Derbyshire 4
  1. ONS Postcode Directory
  2. Doogal
  3. Doogal / ONSPD
  4. postcodes.io

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