WD23 postcode area guide — Harrow
House prices, crime, broadband speeds, mobile signal, schools and demographics for the WD23 postcode district in Harrow — every official dataset on one page.
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Where is WD23?
Broadband & internet speeds in WD23
Excellent coverage
Superfast (30Mb+)
98.3%
Ultrafast (300Mb+)
82.6%
Gigabit-capable
81.9%
Below USO (10Mb)
0%
Broadband availability in the WD23 postcode district (Harrow) is Excellent — gigabit-capable full fibre is widely available. Across the 742 postcodes Ofcom measures in WD23, superfast broadband (30 Mbit/s or faster) reaches 98.3% of premises and gigabit-capable lines are available to 81.9%.
Around 0% of premises in WD23 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 WD23
| Postcode | Superfast | Gigabit |
|---|---|---|
| WD23 1AA | 100% | 0% |
| WD23 1AB | 100% | 100% |
| WD23 1AD | 100% | 93.3% |
| WD23 1AE | 100% | 100% |
| WD23 1AG | 100% | 100% |
| WD23 1AH | 100% | 100% |
| WD23 1AJ | 100% | 100% |
| WD23 1AL | 100% | 100% |
| WD23 1AN | 100% | 100% |
| WD23 1AP | 100% | 100% |
Run a speed test to see what you're actually getting, or check your exact postcode.
Mobile signal around Harrow
Ofcom's coverage model for the wider Harrow district (102,712 premises):
4G indoors — all networks
99.8%
4G outdoors — all networks
100%
5G outdoors — all networks
100%
Voice indoors — all networks
99.9%
Signal varies street by street — use the mobile coverage checker to compare EE, O2, Three and Vodafone at an exact postcode.
Crime in WD23
Police recorded 115 incidents within about a mile of the centre of WD23 in May 2026 (latest published street-level data). The breakdown:
| Category | Incidents | Share |
|---|---|---|
| Violence & sexual offences | 53 | 46.1% |
| Anti-social behaviour | 25 | 21.7% |
| Criminal damage & arson | 13 | 11.3% |
| Other theft | 6 | 5.2% |
| Vehicle crime | 6 | 5.2% |
| Public order | 4 | 3.5% |
| Burglary | 3 | 2.6% |
| Drugs | 3 | 2.6% |
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 WD23
Based on 280 sales registered with HM Land Registry in the last 12 months, the median sold price in WD23 is £540,000, up 1.9% on the previous year (£530,000).
Detached
£845,000
49 sales
Semi-detached
£622,500
81 sales
Terraced
£471,000
65 sales
Flat / maisonette
£320,000
79 sales
Latest recorded sales in WD23
| Date | Price | Type | Street | Postcode |
|---|---|---|---|---|
| 27 May 2026 | £790,000 | Flat | Royal Connaught Drive | WD23 2RB |
| 22 May 2026 | £445,000 | Terraced | Park Road | WD23 3EE |
| 14 May 2026 | £725,000 | Detached | The Drive | WD23 2BJ |
| 8 May 2026 | £520,000 | Semi-detached | Duncan Way | WD23 2BE |
| 5 May 2026 | £690,000 | Flat | Sparrows Herne | WD23 1AQ |
| 1 May 2026 | £315,000 | Terraced | Forest Walk | WD23 2BX |
| 1 May 2026 | £687,500 | Semi-detached | Little Bushey Lane | WD23 4RX |
| 1 May 2026 | £300,000 | Semi-detached | Brambling Close | WD23 2HW |
| 30 Apr 2026 | £360,000 | Flat | London Road | WD23 2NN |
| 30 Apr 2026 | £945,000 | Detached | Ashlyn Close | WD23 2EJ |
Contains HM Land Registry data © Crown copyright and database right 2026, licensed under the Open Government Licence v3.0.
Who lives here? Harrow demographics
Census 2021 figures for the wider Harrow district (261,203 residents, 89,642 households):
| Age profile | |
|---|---|
| Under 15 | 19.8% |
| 15–29 | 25.2% |
| 30–44 | 22.2% |
| 45–64 | 17.4% |
| 65+ | 15.4% |
| Housing tenure | |
|---|---|
| Owner-occupied | 58.8% |
| Private rented | 29.7% |
| Social rented | 4.8% |
Source: ONS Census 2021 (district level — the finest openly licensed cut we republish). © Crown copyright, OGL v3.0.
Schools in and around WD23
| School | Phase | Ages | Pupils | Postcode |
|---|---|---|---|---|
| Queens' School | Secondary | 11–18 | 1,697 | WD23 2TY |
| Bushey Meads School | Secondary | 11–18 | 1,200 | WD23 4PA |
| The Grange Academy | Secondary | 11–18 | 928 | WD23 3AA |
| St Margaret's School | Not applicable | 2–18 | 799 | WD23 1DT |
| Highwood Primary School | Primary | 3–11 | 445 | WD23 2AW |
| Sacred Heart Catholic Primary School and Nursery | Primary | 3–11 | 346 | WD23 1SU |
| Immanuel College | Not applicable | 9–19 | 341 | WD23 4EB |
| Little Reddings Primary School | Primary | 3–11 | 312 | WD23 3PR |
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 WD23
133 rated food businesses operate in WD23. 97 hold the top rating of 5, 13 are rated 4, and 3 are rated 2 or below.
Among the 5-rated: AG Catering Limited, Ashfield Junior Mixed School, Barracuda, Beaumonts Cafe, Bella Rosa.
Source: Food Standards Agency, food hygiene ratings (FHRS) open data.
Energy performance (EPC) in WD23
From a sample of 138 Energy Performance Certificates across 10 WD23 postcodes, the most common rating is band D (average band D). 39% of sampled homes are rated C or better.
Band A
1%
Band B
20%
Band C
19%
Band D
43%
Band E
14%
Band F
3%
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 Harrow
Landlines around WD23 typically use:
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What's it like living in WD23?
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Moving to WD23? Sort your connectivity first
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Postcodes in WD23
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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.