Hertfordshire County Council

Bins, council tax and planning, and what the council covers

Hertfordshire County Council is the county council for Hertfordshire. It runs schools, roads, social care and libraries. Bins, council tax and planning are run by its 10 district councils. ONS places 32,854 postcodes in use in Hertfordshire, in 66 postcode districts across 10 postcode areas.

89% of homes and businesses in Hertfordshire can get gigabit broadband, Ofcom says. The Environment Agency puts 6,324 homes and businesses in Hertfordshire in an area at high or medium risk of flooding from rivers or the sea.

Its own pages listed
10
Postcodes in use
32,854
Postcode districts
66
District councils
10

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. See all our data sources

Its website

Hertfordshire County Council

hertfordshire.gov.uk

Name and website as GOV.UK gives them.

Do it on Hertfordshire County Council's own website

Each link goes straight to the page on the council's own website for that task. We opened every one on 14 October 2026.

Roads and parking

Schools

Care, support and libraries

Councillors, voting and complaints

The pages are the ones GOV.UK lists for Hertfordshire County Council. GOV.UK lists 11. When we opened them on 14 October 2026, 1 page had gone (missing, or moved to a page about something else). We left it out rather than send you to a page we could not see. If one has moved since, tell us.

What broadband can you get in Hertfordshire?

Across Hertfordshire, 89% of homes and businesses can get gigabit broadband and 73% full fibre, Ofcom says.

Full fibre73% can get it
Gigabit (1,000 Mbit/s)89% can get it
Superfast (30 Mbit/s or more)98% can get it
Cannot get decent broadband (10 Mbit/s)Under 1%

For one street, look up its postcode: each postcode page has its own figures. A provider's checker answers for one address.

Source: Ofcom, Connected Nations, Spring 2026, data for January 2026, Open Government Licence v3.0. How we use it

How many homes in Hertfordshire are at risk of flooding?

Across Hertfordshire, the Environment Agency puts 6,324 homes and businesses in an area at high or medium risk of flooding from rivers or the sea, at 1,818 postcodes with any property at risk.

Homes and businesses in an area at risk, at 1,818 postcodes High: 3,623Medium: 2,701Low: 10,780Very low: 2,864

High: 3.3% or more a year (1 in 30). Medium: 1% to 3.3% a year. Low: 0.1% to 1% a year. Very low: under 0.1% a year (1 in 1,000). Each band is the chance of flooding in any one year.

Homes and businesses in an area at risk of flooding from rivers or the sea, as the Environment Agency counts them. It leaves out surface water, groundwater and sewers. Each postcode page has its own figures and its flood warning areas.

Source: Environment Agency, Risk of Flooding from Rivers and Sea (postcodes in areas at risk), published 6 July 2026, Open Government Licence v3.0. How we use it

Surface water

In Hertfordshire the Environment Agency counts 23,385 properties at high risk of flooding from surface water, 16,004 at medium risk and 50,446 at low risk. Surface water is rain that cannot drain away fast enough.

Source: Environment Agency, Risk of Flooding from Surface Water, properties at risk by local authority, version 2025-09, listed 18 September 2026, Open Government Licence v3.0. How we use it

District councils in Hertfordshire

Bins, council tax and planning are run by the district, borough or city council for each part of Hertfordshire.

Broxbourne council, postcodes in use:2,443Dacorum council, postcodes in use:4,032East Hertfordshire council, postcodes in use:4,705Hertsmere council, postcodes in use:3,023North Hertfordshire council, postcodes in use:3,905St Albans council, postcodes in use:4,575Stevenage council, postcodes in use:1,940Three Rivers council, postcodes in use:2,534Watford council, postcodes in use:2,460Welwyn Hatfield council, postcodes in use:3,237

Postcode districts with postcodes in Hertfordshire

Counted from the ONS Postcode Directory. A postcode district is drawn for sorting post, so many cross a council's edge.

Its postcode areas

AL postcode area: St Albans, postcodes in use here:7,788 of 7,792CM postcode area: Chelmsford, postcodes in use here:1,411 of 18,674EN postcode area: Enfield, postcodes in use here:3,351 of 8,536HA postcode area: Harrow, postcodes in use here:196 of 10,255HP postcode area: Hemel Hempstead, postcodes in use here:3,656 of 14,101LU postcode area: Luton, postcodes in use here:71 of 6,464SG postcode area: Stevenage, postcodes in use here:9,007 of 12,179SL postcode area: Slough, postcodes in use here:3 of 10,672UB postcode area: Southall, postcodes in use here:1 of 7,216WD postcode area: Watford, postcodes in use here:7,370 of 7,405

Beside each area: how many of its postcodes in use are in Hertfordshire.

Towns and villages

WatfordSt AlbansHemel HempsteadStevenageWelwyn Garden CityHoddesdonHarpendenBishop's StortfordLetchworthBorehamwoodCheshuntHatfieldHertfordHitchinBusheyRickmansworthPotters BarBerkhamstedWareRoystonAbbots Langley and Kings LangleyChorleywoodTringWaltham Cross

The 24 with the most postcodes in Hertfordshire, of 60. Browse places A to Z.

Is an address in Hertfordshire?

A council's edge does not follow postcodes exactly. Check the postcode.

All councils, A to Z

What Hertfordshire covers: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. Its name, website and own pages: GOV.UK, Local authority services, downloaded 14 October 2026, Open Government Licence v3.0; every link opened on 14 October 2026. See all our data sources

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