W1J

UK postcode district

Updated September 2026

District overview

Postcode units: 943
Current units: 666
Coordinate coverage: 100%
Electoral wards: 4

Coverage context

Countries represented: England
English regions represented: London
Local authority codes: 2
Terminated postcode units: 277

Postcode sectors in W1J

Choose a sector to browse its complete postcode-unit directory.

6 sectors

Property

View property report

1,671 recorded sales at this postcode

Address	Date	Price
Carrington House, Flat 410, Hertford Street, London, W1J 7SU	2 July 2026	£1,375,000
Carrington House, Flat 401, Hertford Street, London, W1J 7SU	2 July 2026	£1,600,000
Carrington House, Flat 104, Hertford Street, London, W1J 7RG	2 July 2026	£1,350,000

Schools

Across this district

View schools report

Open schools: 1
Primary: 0
Secondary: 0

Recorded crime

Across this district

View crime report

Published events: 2,130
Months covered: 12
Latest month: June 2026

Most recorded categories in this period

Theft from the person 449
Other theft 394
Violence and sexual offences 383
Shoplifting 217
Anti social behaviour 194

Census 2021

Population and age profile

W1J usual residents: 847
Age-profile population: 1,012

Age bands in W1J

Postcode district

Age 0 to 14: 6.7%
Age 15 to 24: 10.8%
Age 25 to 44: 40.4%
Age 45 to 64: 23.2%
Age 65 and over: 18.9%

Small counts are adjusted for privacy, so totals can differ slightly between Census tables.

Census Day: 21 March 2021. Sources: ONS/Nomis P001-P004 and ONS CT21_0228. Age table version 2024-04-08.

Fixed broadband coverage

The median Ofcom availability percentage across 609 current postcode units in this district. Each postcode is weighted equally, not by premises.

Superfast, 30 Mbit/s+: 100%
Ultrafast, 100 Mbit/s+: 100%
Ultrafast, 300 Mbit/s+: 100%
Gigabit-capable: 100%

Unable to receive decent fixed or FWA broadband: 0%
Next Generation Access: 100%
Decent broadband available from fixed wireless: 0%

519 postcode units had 100% superfast coverage, 500 had 100% gigabit-capable coverage, and 0 had at least some premises without decent fixed or fixed-wireless access.

Predicted coverage, not measured speeds. Check availability for your address with a provider. Postcode-level full-fibre figures are not published in this release.

Source: Ofcom Connected Nations Spring 2026, version 2026-01-v2. Contains Ofcom data licensed under the Open Government Licence v3.0.

Evidence in context

Property market

The five-year median is £2,628,300 from 248 recorded sales in W1J. This is a recorded-sale statistic, not a current valuation.

The latest UK House Price Index average for City of Westminster is £854,198 in June 2026, down 25.4% year on year.

Schools

1 open schools are in scope, including 0 primary and 0 secondary schools.

Counts describe active establishment records. They do not assess admissions, catchments or quality.

Recorded crime

2,130 published events cover 12 months, averaging 177.5 events per published month. The largest recorded category is Theft from the person with 449 events.

The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.