City of Westminster · W1G

EICR in W1G (Harley Street)? We'll point you the right way.

Covering Harley Street, including Clerkenwell, Marylebone, West End. Find qualified electricians nearby.

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Request an EICR in W1G (Harley Street)

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Request an EICR in W1G (Harley Street)

How to check an electrician is registered: see the City of Westminster page.

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W1G (Harley Street) in a nutshell

W1G covers Harley Street, in Islington and Westminster. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.

Local tips for W1G

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Two councils in one district

W1G is split between Islington and Westminster. 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

W1G stretches across Clerkenwell, Marylebone, West End, so give your full postcode, not just 'W1G', when you ask for quotes.

Where's this from?postcodes.io (ONSPD) wards
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Flats and shared houses

Plenty of City of Westminster homes are flats or converted houses, where the shared hallway lights and circuits matter too. Ask whether the quote covers communal areas.

Where's this from?ONS Census 2021, City of Westminster: 70.3% purpose-built flats, 16.0% converted/shared
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New to EICRs? 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 5 years: an electrical inspection and test by a qualified person.
  • Within 28 days: give your tenants a copy of the report.
  • If asked: send it to the council within 7 days.

More detail on the City of Westminster page. Always double-check on GOV.UK.

Next door to W1G

W1U · MaryleboneW1C · Oxford Street – westW1W · Great Portland StreetW1K · Mayfair – northW1B · Portland StreetW1T · Fitzrovia

← Electrical safety (EICR) across City of Westminster · all areas

Frequently asked questions

Which areas does W1G cover?

W1G (Harley Street) includes the wards of Clerkenwell, Marylebone, West End (ONS Postcode Directory via postcodes.io).

Which postcode districts are next to W1G?

Neighbouring districts include W1U (Marylebone), W1C (Oxford Street – west), W1W (Great Portland Street) (ONS Postcode Directory via Doogal). A pro covering W1G may well cover these too, so it's worth asking.

How many homes are in W1G?

About 1,610 households and 3,059 residents at the 2011 Census, across 703 active postcodes (Doogal / ONS Postcode Directory).

Which council area is W1G in?

W1G sits in Islington, Westminster (postcodes.io). Parliamentary constituency: Cities of London and Westminster, Islington South and Finsbury.

📊 The numbers behind this page
Postcode district
W1G 1
Areas covered
Harley Street 2
Active postcodes
703 3
Households (2011 Census, via Doogal)
1,610 2
Population (2011 Census, via Doogal)
3,059 2
Electoral wards
Clerkenwell, Marylebone, West End 4
Parliamentary constituencies
Cities of London and Westminster, Islington South and Finsbury 4
Local authority
Islington, Westminster 4
Households privately renting (City of Westminster built-up area)
43.3% 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.