Watford · WD25

Plumbing compliance check in WD25 (Garston)? We'll point you the right way.

Covering Garston, Aldenham, Leavesden, Letchmore Heath, including Aldenham West, Bushey North, Bushey St James. Find plumbers nearby.

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Request a plumbing compliance check in WD25 (Garston)

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Request a plumbing compliance check in WD25 (Garston)

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WD25 (Garston) in a nutshell

WD25 covers Garston, Aldenham, Leavesden, Letchmore Heath, in Hertsmere and St Albans and Three Rivers and Watford. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.

Local tips for WD25

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Two councils in one district

WD25 is split between Hertsmere and St Albans and Three Rivers and Watford. 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

WD25 stretches across Aldenham West, Bushey North, Bushey St James and more, so give your full postcode, not just 'WD25', when you ask for quotes.

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

Watford 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, Watford: 25.4% 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 Watford page. Always double-check on GOV.UK.

Next door to WD25

WD24 · North WatfordWD17 · WatfordWD19 · OxheyWD5 · BedmondWD18 · West WatfordWD23 · Bushey

← Plumbing & water compliance across Watford · all areas

Frequently asked questions

Which areas does WD25 cover?

WD25 (Garston, Aldenham, Leavesden, Letchmore Heath) includes the wards of Aldenham West, Bushey North, Bushey St James, Holywell, Leavesden, Leggatts, Meriden, Stanborough, St Stephen, Woodside (ONS Postcode Directory via postcodes.io).

Which postcode districts are next to WD25?

Neighbouring districts include WD24 (North Watford), WD17 (Watford), WD19 (Oxhey) (ONS Postcode Directory via Doogal). A pro covering WD25 may well cover these too, so it's worth asking.

How many homes are in WD25?

About 11,167 households and 27,711 residents at the 2011 Census, across 687 active postcodes (Doogal / ONS Postcode Directory).

Which council area is WD25 in?

WD25 sits in Hertsmere, St Albans, Three Rivers, Watford (postcodes.io). Parliamentary constituency: Hertsmere, South West Hertfordshire, St Albans, Watford.

📊 The numbers behind this page
Postcode district
WD25 1
Areas covered
Garston, Aldenham, Leavesden, Letchmore Heath 2
Active postcodes
687 3
Households (2011 Census, via Doogal)
11,167 2
Population (2011 Census, via Doogal)
27,711 2
Electoral wards
Aldenham West, Bushey North, Bushey St James, Holywell, Leavesden, Leggatts, Meriden, Stanborough … 4
Parliamentary constituencies
Hertsmere, South West Hertfordshire, St Albans, Watford 4
Local authority
Hertsmere, St Albans, Three Rivers, Watford 4
Households in converted/shared houses (Watford built-up area)
4.4% 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.