HP1 postcode area guide — Dacorum

Where is HP1?

Broadband & internet speeds in HP1

Excellent coverage

Broadband availability in the HP1 postcode district (Dacorum) is Excellent — gigabit-capable full fibre is widely available. Across the 624 postcodes Ofcom measures in HP1, superfast broadband (30 Mbit/s or faster) reaches 96.1% of premises and gigabit-capable lines are available to 88.6%.

Around 0.1% of premises in HP1 fall below the Universal Service Obligation (a minimum of 10 Mbit/s download and 1 Mbit/s upload), so the overwhelming majority of homes and businesses here can already order a decent fixed line. For a business that depends on its connection, the figures that matter most are gigabit and full-fibre availability — the symmetric, low-contention services we quote leased lines and FTTP against.

Sample postcodes in HP1

Run a speed test to see what you're actually getting, or check your exact postcode.

Mobile signal around Dacorum

Ofcom's coverage model for the wider Dacorum district (71,286 premises):

Signal varies street by street — use the mobile coverage checker to compare EE, O2, Three and Vodafone at an exact postcode.

Crime in HP1

Police recorded 338 incidents within about a mile of the centre of HP1 in May 2026 (latest published street-level data). The breakdown:

Raw counts favour busy town centres — a high street with shops and nightlife records more incidents than a residential cul-de-sac. Source: police.uk open data (point sample around the district centroid).

House prices in HP1

Based on 297 sales registered with HM Land Registry in the last 12 months, the median sold price in HP1 is £415,000, essentially flat on the previous year (£415,000).

Latest recorded sales in HP1

Contains HM Land Registry data © Crown copyright and database right 2026, licensed under the Open Government Licence v3.0.

Who lives here? Dacorum demographics

Census 2021 figures for the wider Dacorum district (155,081 residents, 63,412 households):

Source: ONS Census 2021 (district level — the finest openly licensed cut we republish). © Crown copyright, OGL v3.0.

Schools in and around HP1

Source: DfE Get Information about Schools (England & Wales). Check Ofsted report cards for inspection detail — headline one-word grades were retired in 2024.

Food hygiene ratings in HP1

263 rated food businesses operate in HP1. 158 hold the top rating of 5, 49 are rated 4, and 5 are rated 2 or below.

Among the 5-rated: Alford Arms, Amaravati Buddhist Centre, Aramark at West Herts College, Asda Express PFS Dacorum, Atlas Petroleum Ltd.

Source: Food Standards Agency, food hygiene ratings (FHRS) open data.

Energy performance (EPC) in HP1

From a sample of 147 Energy Performance Certificates across 12 HP1 postcodes, the most common rating is band D (average band D). 40% of sampled homes are rated C or better.

Source: MHCLG Energy Performance of Buildings Data (England & Wales), sampled at postcode level and refreshed monthly. Individual certificates are on each postcode’s page.

Phone area codes for Dacorum

Landlines around HP1 typically use:

Had a call from an unknown number? Use our free UK phone number checker to see who called.

What's it like living in HP1?

Postcodes in HP1

Neighbouring districts

All Hemel Hempstead (HP) postcode districts ›

Frequently asked questions

Sources: HM Land Registry Price Paid Data, police.uk street-level crime, Ofcom Connected Nations, ONS Census 2021, DfE Get Information about Schools, Food Standards Agency FHRS — all © Crown copyright, licensed under the Open Government Licence v3.0. Figures are area aggregates; individual addresses vary. Energy performance (EPC) data will be added when our Open Data Communities registration is approved.