Bolton · BL4

Plumbing compliance check in BL4 (Bolton)? We'll point you the right way.

Covering Bolton, Farnworth, Kearsley, including Farnworth North, Farnworth South, Horwich South & Blackrod. Find plumbers nearby.

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Request a plumbing compliance check in BL4 (Bolton)

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BL4 (Bolton) in a nutshell

BL4 covers Bolton, Farnworth, Kearsley, in Bolton. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.

Local tips for BL4

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Bolton council area

BL4 is in Bolton'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

BL4 stretches across Farnworth North, Farnworth South, Horwich South & Blackrod and more, so give your full postcode, not just 'BL4', when you ask for quotes.

Where's this from?postcodes.io (ONSPD) wards
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Older terraces, older pipes

Bolton has lots of terraced homes. In older ones, ask the plumber to look at shared supply pipes and any old tanks in the loft.

Where's this from?ONS Census 2021, Bolton: 36.9% terraced
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New to plumbing compliance checks? 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

  • No single certificate: but keep water, heating and sanitation in repair.
  • Legionella: assess the risk for each let.
  • CO alarms: needed where there's a fixed combustion appliance (not gas cookers).

More detail on the Bolton page. Always double-check on GOV.UK.

Next door to BL4

M38 · Little HultonM28 · WorsleyBL3 · BoltonBL2 · BoltonBL1 · BoltonM26 · Radcliffe

← Plumbing & water compliance across Bolton · all areas

Frequently asked questions

Which areas does BL4 cover?

BL4 (Bolton, Farnworth, Kearsley) includes the wards of Farnworth North, Farnworth South, Horwich South & Blackrod, Hulton, Kearsley (ONS Postcode Directory via postcodes.io).

Which postcode districts are next to BL4?

Neighbouring districts include M38 (Little Hulton), M28 (Worsley), BL3 (Bolton) (ONS Postcode Directory via Doogal). A pro covering BL4 may well cover these too, so it's worth asking.

How many homes are in BL4?

About 14,377 households and 33,688 residents at the 2011 Census, across 850 active postcodes (Doogal / ONS Postcode Directory).

Which council area is BL4 in?

BL4 sits in Bolton (postcodes.io). Parliamentary constituency: Bolton South and Walkden, Bolton West.

📊 The numbers behind this page
Postcode district
BL4 1
Areas covered
Bolton, Farnworth, Kearsley 2
Active postcodes
850 3
Households (2011 Census, via Doogal)
14,377 2
Population (2011 Census, via Doogal)
33,688 2
Electoral wards
Farnworth North, Farnworth South, Horwich South & Blackrod, Hulton, Kearsley 4
Parliamentary constituencies
Bolton South and Walkden, Bolton West 4
Local authority
Bolton 4
Households in converted/shared houses (Bolton built-up area)
1.1% 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.