W1J postcode area guide — Islington
House prices, crime, broadband speeds, mobile signal, schools and demographics for the W1J postcode district in Islington — every official dataset on one page.
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Where is W1J?
Broadband & internet speeds in W1J
Strong coverage
Superfast (30Mb+)
64.8%
Ultrafast (300Mb+)
60.8%
Gigabit-capable
60.8%
Below USO (10Mb)
0%
Broadband availability in the W1J postcode district (Islington) is Strong — superfast is near-universal and gigabit is rolling out. Across the 673 postcodes Ofcom measures in W1J, superfast broadband (30 Mbit/s or faster) reaches 64.8% of premises and gigabit-capable lines are available to 60.8%.
Around 0% of premises in W1J 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 W1J
| Postcode | Superfast | Gigabit |
|---|---|---|
| W1J 0AB | 0% | 0% |
| W1J 0AD | 0% | 0% |
| W1J 0AG | 0% | 0% |
| W1J 0AH | 0% | 0% |
| W1J 0AJ | 100% | 100% |
| W1J 0AL | 100% | 100% |
| W1J 0AN | 87.5% | 87.5% |
| W1J 0AP | 100% | 100% |
| W1J 0AR | 100% | 100% |
| W1J 0AS | 100% | 100% |
Run a speed test to see what you're actually getting, or check your exact postcode.
Mobile signal around Islington
Ofcom's coverage model for the wider Islington district (120,046 premises):
4G indoors — all networks
98.3%
4G outdoors — all networks
100%
5G outdoors — all networks
100%
Voice indoors — all networks
98.3%
Signal varies street by street — use the mobile coverage checker to compare EE, O2, Three and Vodafone at an exact postcode.
Crime in W1J
Police recorded 4,360 incidents within about a mile of the centre of W1J in May 2026 (latest published street-level data). The breakdown:
| Category | Incidents | Share |
|---|---|---|
| Other theft | 857 | 19.7% |
| Theft from the person | 816 | 18.7% |
| Shoplifting | 696 | 16.0% |
| Violence & sexual offences | 631 | 14.5% |
| Anti-social behaviour | 541 | 12.4% |
| Public order | 254 | 5.8% |
| Robbery | 146 | 3.3% |
| Drugs | 140 | 3.2% |
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 W1J
Based on 9 sales registered with HM Land Registry in the last 12 months, the median sold price in W1J is £2,320,000, down 14.1% on the previous year (£2,700,000).
Flat / maisonette
£2,320,000
7 sales
Latest recorded sales in W1J
| Date | Price | Type | Street | Postcode |
|---|---|---|---|---|
| 16 Mar 2026 | £900,000 | Flat | Berkeley Square | W1J 5AX |
| 16 Jan 2026 | £22,600,000 | Other | Berkeley Square | W1J 5BF |
| 25 Nov 2025 | £2,320,000 | Flat | Hill Street | W1J 5LT |
| 27 Oct 2025 | £1,225,000 | Flat | Hertford Street | W1J 7RG |
| 17 Oct 2025 | £4,100,000 | Flat | Hill Street | W1J 5NP |
| 30 Sep 2025 | £5,488,000 | Flat | Berkeley Square | W1J 5AX |
| 21 Aug 2025 | £1,967,558 | Other | Farm Street | W1J 5RP |
| 1 Aug 2025 | £760,000 | Flat | Carrington Street | W1J 7AF |
| 25 Jul 2025 | £2,700,000 | Flat | Chesterfield Gardens | W1J 5JX |
| 17 Jun 2025 | £17,151,001 | Flat | Ashburton Place | W1J 8AS |
Contains HM Land Registry data © Crown copyright and database right 2026, licensed under the Open Government Licence v3.0.
Who lives here? Islington demographics
Census 2021 figures for the wider Islington district (216,589 residents, 96,496 households):
| Age profile | |
|---|---|
| Under 15 | 15.2% |
| 15–29 | 38.5% |
| 30–44 | 21.4% |
| 45–64 | 15.5% |
| 65+ | 9.4% |
| Housing tenure | |
|---|---|
| Owner-occupied | 26.7% |
| Private rented | 31.5% |
| Social rented | 15.2% |
Source: ONS Census 2021 (district level — the finest openly licensed cut we republish). © Crown copyright, OGL v3.0.
Schools in and around W1J
| School | Phase | Ages | Pupils | Postcode |
|---|---|---|---|---|
| London Park School Mayfair and London Park School Sixth | Not applicable | 11–18 | 202 | W1J 7NL |
| St George's Hanover Square CofE Primary School | Primary | 3–11 | 73 | W1K 2XH |
| Soho Parish CofE Primary School | Primary | 3–11 | 90 | W1D 7LF |
| University of Westminster | Not applicable | — | — | W1B 2UW |
| Wetherby Senior School | Not applicable | 11–18 | 406 | W1U 2QU |
| Queen's College, London | Not applicable | 3–19 | 412 | W1G 8BT |
| Westminster City School | Secondary | 11–18 | 790 | SW1E 5HJ |
| St Vincent's Catholic Primary School | Primary | 3–11 | 236 | W1U 4DF |
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 W1J
200 rated food businesses operate in W1J. 146 hold the top rating of 5, 32 are rated 4, and 4 are rated 2 or below.
Among the 5-rated: 1 Hotel Mayfair, 12 Hay Hill, 5 Hertford Street, Al Hamra Restaurant, Amazonico Restaurant.
Source: Food Standards Agency, food hygiene ratings (FHRS) open data.
Energy performance (EPC) in W1J
From a sample of 68 Energy Performance Certificates across 3 W1J postcodes, the most common rating is band B (average band C). 69% of sampled homes are rated C or better.
Band B
50%
Band C
19%
Band D
26%
Band E
4%
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 Islington
Landlines around W1J typically use:
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What's it like living in W1J?
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Moving to W1J? Sort your connectivity first
We arrange broadband, full-fibre, leased lines, VoIP and business mobiles across Islington — free, no-obligation quote.
Postcodes in W1J
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Frequently asked questions
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How energy efficient are homes in W1J?
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.