HP3 postcode area guide — Dacorum

Where is HP3?

Broadband & internet speeds in HP3

Excellent coverage

Broadband availability in the HP3 postcode district (Dacorum) is Excellent — gigabit-capable full fibre is widely available. Across the 754 postcodes Ofcom measures in HP3, superfast broadband (30 Mbit/s or faster) reaches 96.5% of premises and gigabit-capable lines are available to 81.8%.

Around 0.1% of premises in HP3 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 HP3

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 HP3

Police recorded 196 incidents within about a mile of the centre of HP3 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 HP3

Based on 324 sales registered with HM Land Registry in the last 12 months, the median sold price in HP3 is £470,000, up 10.6% on the previous year (£425,000).

Latest recorded sales in HP3

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 HP3

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 HP3

171 rated food businesses operate in HP3. 118 hold the top rating of 5, 23 are rated 4, and 3 are rated 2 or below.

Among the 5-rated: 1 Ashley Close, Abbots Hill Nursery at Abbots Hill School, Abbots Hill School, Aldi, Apsley Chinese (Chung Wah).

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

Energy performance (EPC) in HP3

From a sample of 221 Energy Performance Certificates across 11 HP3 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 HP3 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 HP3?

Postcodes in HP3

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.