HP20 postcode area guide — Buckinghamshire

Where is HP20?

Broadband & internet speeds in HP20

Strong coverage

Broadband availability in the HP20 postcode district (Buckinghamshire) is Strong — superfast is near-universal and gigabit is rolling out. Across the 442 postcodes Ofcom measures in HP20, superfast broadband (30 Mbit/s or faster) reaches 97.5% of premises and gigabit-capable lines are available to 79.7%.

Around 0% of premises in HP20 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 HP20

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

Mobile signal around Buckinghamshire

Ofcom's coverage model for the wider Buckinghamshire district (250,700 premises):

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

Crime in HP20

Police recorded 450 incidents within about a mile of the centre of HP20 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 HP20

Based on 155 sales registered with HM Land Registry in the last 12 months, the median sold price in HP20 is £305,000, up 8.9% on the previous year (£280,000).

Latest recorded sales in HP20

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

Who lives here? Buckinghamshire demographics

Census 2021 figures for the wider Buckinghamshire district (553,079 residents, 220,327 households):

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

Schools in and around HP20

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 HP20

238 rated food businesses operate in HP20. 173 hold the top rating of 5, 31 are rated 4, and 3 are rated 2 or below.

Among the 5-rated: ABI Town Centre Store, Adams Corner Service Station, AJ World Foods, Aktiva Nurseries - Elmhurst Preschool, Al Kebabish Aylesbury & Peri Peri Charcoal.

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

Energy performance (EPC) in HP20

From a sample of 279 Energy Performance Certificates across 10 HP20 postcodes, the most common rating is band C (average band C). 67% 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 Buckinghamshire

Landlines around HP20 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 HP20?

Postcodes in HP20

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.