Hemel Hempstead · HP3
Plumbing compliance check in HP3 (Apsley)? We'll point you the right way.
Covering Apsley, Bovingdon, Felden, Flaunden, Hemel Hempstead, Leverstock Green, including Abbots Langley & Bedmond, Adeyfield East, Apsley and Corner Hall. Find plumbers nearby.
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HP3 (Apsley) in a nutshell
HP3 covers Apsley, Bovingdon, Felden, Flaunden, Hemel Hempstead, Leverstock Green, in Dacorum and St Albans and Three Rivers. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.
Local tips for HP3
Two councils in one district
HP3 is split between Dacorum and St Albans and Three Rivers. Some councils run their own landlord licensing, so check which one your home is in.
Where's this from?
postcodes.io (ONSPD) local authorityGive your full postcode
HP3 stretches across Abbots Langley & Bedmond, Adeyfield East, Apsley and Corner Hall and more, so give your full postcode, not just 'HP3', when you ask for quotes.
Where's this from?
postcodes.io (ONSPD) wardsOlder terraces, older pipes
Hemel Hempstead 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, Hemel Hempstead: 34.3% terracedEngland 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 Hemel Hempstead page. Always double-check on GOV.UK.
Next door to HP3
← Plumbing & water compliance across Hemel Hempstead · all areas
Frequently asked questions
Which areas does HP3 cover?
HP3 (Apsley, Bovingdon, Felden, Flaunden, Hemel Hempstead, Leverstock Green) includes the wards of Abbots Langley & Bedmond, Adeyfield East, Apsley and Corner Hall, Bennetts End, Bovingdon, Flaunden and Chipperfield, Chorleywood North & Sarratt, Gade Valley, Kings Langley, Leverstock Green, Nash Mills, Verulam (ONS Postcode Directory via postcodes.io).
Which postcode districts are next to HP3?
Neighbouring districts include HP1 (Bourne End), HP2 (Gaddesden Row), WD4 (Bucks Hill), WD5 (Bedmond), WD3 (Batchworth Heath) (ONS Postcode Directory via Doogal). A pro covering HP3 may well cover these too, so it's worth asking.
How many homes are in HP3?
About 12,621 households and 31,930 residents at the 2011 Census, across 763 active postcodes (Doogal / ONS Postcode Directory).
Which council area is HP3 in?
HP3 sits in Dacorum, St Albans, Three Rivers (postcodes.io). Parliamentary constituency: Harpenden and Berkhamsted, Hemel Hempstead, South West Hertfordshire.
📊 The numbers behind this page
- Postcode district
- HP3 1
- Areas covered
- Apsley, Bovingdon, Felden, Flaunden, Hemel Hempstead, Leverstock Green 2
- Active postcodes
- 763 3
- Households (2011 Census, via Doogal)
- 12,621 2
- Population (2011 Census, via Doogal)
- 31,930 2
- Electoral wards
- Abbots Langley & Bedmond, Adeyfield East, Apsley and Corner Hall, Bennetts End, Bovingdon, Flaunden and Chipperfield, Chorleywood North & Sarratt, Gade Valley, Kings Langley … 4
- Parliamentary constituencies
- Harpenden and Berkhamsted, Hemel Hempstead, South West Hertfordshire 4
- Local authority
- Dacorum, St Albans, Three Rivers 4
- Households in converted/shared houses (Hemel Hempstead built-up area)
- 1.5% 5
- ONS Postcode Directory
- Doogal
- Doogal / ONSPD
- postcodes.io
- ONS Census 2021
Made with open data. See where it all comes from. Updated 26 October 2026.