Islington · WC1X

Gas safety certificate in WC1X (Kings Cross)? We'll point you the right way.

Covering Kings Cross, Finsbury – west, including Clerkenwell, Holborn & Covent Garden, King's Cross. Find Gas Safe registered engineers nearby.

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Request a gas safety certificate in WC1X (Kings Cross)

No gas safety engineer listed for WC1X (Kings Cross) yet. Tell us what you need and we'll find you a registered gas safety engineer, free.

Request a gas safety certificate in WC1X (Kings Cross)

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

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WC1X (Kings Cross) in a nutshell

WC1X covers Kings Cross, Finsbury – west, in Camden and Islington. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.

Local tips for WC1X

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Two councils in one district

WC1X is split between Camden and Islington. 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

WC1X stretches across Clerkenwell, Holborn & Covent Garden, King's Cross, so give your full postcode, not just 'WC1X', when you ask for quotes.

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

Lots of old WC1X postcodes have been retired. If an old letter shows a different postcode, use your current one.

Where's this from?Doogal/ONSPD: 327 of 677 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 Islington page. Always double-check on GOV.UK.

Next door to WC1X

WC1R · Gray's InnWC1N · Great Ormond Street HospitalWC1V · High HolbornEC1R · FinsburyWC1A · New Oxford StreetWC1H · St Pancras

← Gas safety (CP12) across Islington · all areas

Frequently asked questions

Which areas does WC1X cover?

WC1X (Kings Cross, Finsbury – west) includes the wards of Clerkenwell, Holborn & Covent Garden, King's Cross (ONS Postcode Directory via postcodes.io).

Which postcode districts are next to WC1X?

Neighbouring districts include WC1R (Gray's Inn), WC1N (Great Ormond Street Hospital) (ONS Postcode Directory via Doogal). A pro covering WC1X may well cover these too, so it's worth asking.

How many homes are in WC1X?

About 3,318 households and 8,114 residents at the 2011 Census, across 327 active postcodes (Doogal / ONS Postcode Directory).

Which council area is WC1X in?

WC1X sits in Camden, Islington (postcodes.io). Parliamentary constituency: Holborn and St Pancras, Islington South and Finsbury.

📊 The numbers behind this page
Postcode district
WC1X 1
Areas covered
Kings Cross, Finsbury – west 2
Active postcodes
327 3
Households (2011 Census, via Doogal)
3,318 2
Population (2011 Census, via Doogal)
8,114 2
Electoral wards
Clerkenwell, Holborn & Covent Garden, King's Cross 4
Parliamentary constituencies
Holborn and St Pancras, Islington South and Finsbury 4
Local authority
Camden, Islington 4
Households heated by mains gas only (Islington built-up area)
66.5% 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.