WD19 postcode area guide — Hertsmere

Where is WD19?

Broadband & internet speeds in WD19

Excellent coverage

Broadband availability in the WD19 postcode district (Hertsmere) is Excellent — gigabit-capable full fibre is widely available. Across the 680 postcodes Ofcom measures in WD19, superfast broadband (30 Mbit/s or faster) reaches 99.6% of premises and gigabit-capable lines are available to 97.4%.

Around 0% of premises in WD19 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 WD19

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

Mobile signal around Hertsmere

Ofcom's coverage model for the wider Hertsmere district (47,691 premises):

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

Crime in WD19

Police recorded 224 incidents within about a mile of the centre of WD19 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 WD19

Based on 261 sales registered with HM Land Registry in the last 12 months, the median sold price in WD19 is £450,000, essentially flat on the previous year (£450,000).

Latest recorded sales in WD19

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

Who lives here? Hertsmere demographics

Census 2021 figures for the wider Hertsmere district (107,827 residents, 42,682 households):

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

Schools in and around WD19

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 WD19

91 rated food businesses operate in WD19. 62 hold the top rating of 5, 17 are rated 4, and 1 are rated 2 or below.

Among the 5-rated: Age UK Hertfordshire, Alexander Express, Aspens Services Ltd @ Bromet Primary School, Aspens Services Ltd @ Oxhey Wood Primary School, Aspens Services Ltd @ Warren Dell Primary School.

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

Energy performance (EPC) in WD19

From a sample of 191 Energy Performance Certificates across 11 WD19 postcodes, the most common rating is band D (average band D). 33% 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 Hertsmere

Landlines around WD19 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 WD19?

Postcodes in WD19

Neighbouring districts

All Watford (WD) 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.