WD25 postcode area guide — Hertsmere
House prices, crime, broadband speeds, mobile signal, schools and demographics for the WD25 postcode district in Hertsmere — every official dataset on one page.
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Where is WD25?
Broadband & internet speeds in WD25
Excellent coverage
Superfast (30Mb+)
94.5%
Ultrafast (300Mb+)
82.8%
Gigabit-capable
81.3%
Below USO (10Mb)
0%
Broadband availability in the WD25 postcode district (Hertsmere) is Excellent — gigabit-capable full fibre is widely available. Across the 663 postcodes Ofcom measures in WD25, superfast broadband (30 Mbit/s or faster) reaches 94.5% of premises and gigabit-capable lines are available to 81.3%.
Around 0% of premises in WD25 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 WD25
| Postcode | Superfast | Gigabit |
|---|---|---|
| WD25 0AA | 100% | 100% |
| WD25 0AB | 100% | 77.8% |
| WD25 0AD | 100% | 100% |
| WD25 0AE | 100% | 100% |
| WD25 0AF | 100% | 0% |
| WD25 0AG | 100% | 100% |
| WD25 0AH | 100% | 100% |
| WD25 0AJ | 100% | 100% |
| WD25 0AL | 100% | 100% |
| WD25 0AN | 100% | 100% |
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):
4G indoors — all networks
98.2%
4G outdoors — all networks
100%
5G outdoors — all networks
99.8%
Voice indoors — all networks
99.3%
Signal varies street by street — use the mobile coverage checker to compare EE, O2, Three and Vodafone at an exact postcode.
Crime in WD25
Police recorded 273 incidents within about a mile of the centre of WD25 in May 2026 (latest published street-level data). The breakdown:
| Category | Incidents | Share |
|---|---|---|
| Violence & sexual offences | 85 | 31.1% |
| Anti-social behaviour | 68 | 24.9% |
| Other theft | 45 | 16.5% |
| Public order | 21 | 7.7% |
| Criminal damage & arson | 13 | 4.8% |
| Shoplifting | 12 | 4.4% |
| Vehicle crime | 10 | 3.7% |
| Other crime | 9 | 3.3% |
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 WD25
Based on 216 sales registered with HM Land Registry in the last 12 months, the median sold price in WD25 is £495,000, up 4.2% on the previous year (£475,000).
Detached
£750,000
29 sales
Semi-detached
£535,000
84 sales
Terraced
£450,000
57 sales
Flat / maisonette
£256,000
45 sales
Latest recorded sales in WD25
| Date | Price | Type | Street | Postcode |
|---|---|---|---|---|
| 19 May 2026 | £550,000 | Semi-detached | North Western Avenue | WD25 0AG |
| 15 May 2026 | £535,000 | Semi-detached | St Albans Road | WD25 9JL |
| 12 May 2026 | £120,000 | Flat | Beken Court | WD25 9PG |
| 12 May 2026 | £1,275,000 | Detached | Stables End | WD25 8EU |
| 1 May 2026 | £420,000 | Terraced | Felden Close | WD25 9QW |
| 30 Apr 2026 | £630,000 | Semi-detached | Garston Crescent | WD25 0LD |
| 28 Apr 2026 | £207,000 | Flat | Rochester Drive | WD25 9BJ |
| 24 Apr 2026 | £450,000 | Terraced | The Pelhams | WD25 9SZ |
| 23 Apr 2026 | £515,000 | Semi-detached | Garston Lane | WD25 9QL |
| 22 Apr 2026 | £495,000 | Semi-detached | Lavinia Avenue | WD25 0LF |
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):
| Age profile | |
|---|---|
| Under 15 | 20.1% |
| 15–29 | 21.4% |
| 30–44 | 21.3% |
| 45–64 | 19.5% |
| 65+ | 17.8% |
| Housing tenure | |
|---|---|
| Owner-occupied | 64.2% |
| Private rented | 17.3% |
| Social rented | 15.3% |
Source: ONS Census 2021 (district level — the finest openly licensed cut we republish). © Crown copyright, OGL v3.0.
Schools in and around WD25
| School | Phase | Ages | Pupils | Postcode |
|---|---|---|---|---|
| Parmiter's School | Secondary | 11–18 | 1,496 | WD25 0UU |
| Saint Michael's Catholic High School | Secondary | 11–18 | 1,130 | WD25 0SS |
| Future Academies Watford | Secondary | 11–18 | 1,060 | WD25 7HW |
| The Grove Academy | Primary | 3–11 | 473 | WD25 9RH |
| Leavesden JMI School | Primary | 3–11 | 389 | WD25 7QZ |
| Edge Grove School | Not applicable | 2–13 | 311 | WD25 8NL |
| St Catherine of Siena Catholic Primary School | Primary | 4–11 | 268 | WD25 7HP |
| Alban Wood Primary School and Nursery | Primary | 3–11 | 238 | WD25 7NX |
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 WD25
106 rated food businesses operate in WD25. 88 hold the top rating of 5, 4 are rated 4, and none are currently rated 2 or below.
Among the 5-rated: Aldenham Golf & Country Club, Argos At Sainsbury's, Armark Ltd @ Warner Bros. Studios, Asda Express Greggs Sheepcot, Asda Express Sheepcot PFS.
Source: Food Standards Agency, food hygiene ratings (FHRS) open data.
Energy performance (EPC) in WD25
From a sample of 94 Energy Performance Certificates across 8 WD25 postcodes, the most common rating is band D (average band D). 26% of sampled homes are rated C or better.
Band B
1%
Band C
24%
Band D
57%
Band E
15%
Band F
1%
Band G
1%
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 WD25 typically use:
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What's it like living in WD25?
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Moving to WD25? Sort your connectivity first
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Postcodes in WD25
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Frequently asked questions
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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.