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Postcode area report · 314 postcodes

W1B postcode area guide — Westminster

House prices, crime, broadband speeds, mobile signal, schools and demographics for the W1B postcode district in Westminster — every official dataset on one page.

W1B is a postcode district in Westminster, England, containing 314 live postcodes. The wider Westminster district is home to around 204,238 people. Over the last year the typical (median) sold price in W1B has been £920,000.

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Where is W1B?

Map loads as you scroll…

Broadband & internet speeds in W1B

Strong coverage

Superfast (30Mb+)

67.6%

Ultrafast (300Mb+)

66.8%

Gigabit-capable

66.8%

Below USO (10Mb)

0%

Broadband availability in the W1B postcode district (Westminster) is Strong — superfast is near-universal and gigabit is rolling out. Across the 314 postcodes Ofcom measures in W1B, superfast broadband (30 Mbit/s or faster) reaches 67.6% of premises and gigabit-capable lines are available to 66.8%.

Around 0% of premises in W1B 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 W1B

PostcodeSuperfastGigabit
W1B 1AA100%100%
W1B 1AB100%100%
W1B 1AD100%100%
W1B 1AE100%100%
W1B 1AH0%0%
W1B 1AR100%100%
W1B 1AS100%100%
W1B 1DY100%100%
W1B 1HR100%100%
W1B 1JA0%0%

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

Mobile signal around Westminster

Ofcom's coverage model for the wider Westminster district (163,520 premises):

4G indoors — all networks

100%

4G outdoors — all networks

100%

5G outdoors — all networks

100%

Voice indoors — all networks

100%

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

Crime in W1B

Police recorded 4,735 incidents within about a mile of the centre of W1B in May 2026 (latest published street-level data). The breakdown:

CategoryIncidentsShare
Other theft99120.9%
Theft from the person97820.7%
Shoplifting67514.3%
Violence & sexual offences66714.1%
Anti-social behaviour57212.1%
Public order2415.1%
Robbery1663.5%
Drugs1553.3%

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 W1B

Based on 4 sales registered with HM Land Registry in the last 12 months, the median sold price in W1B is £920,000, down 79.6% on the previous year (£4,500,000).

Latest recorded sales in W1B

DatePriceTypeStreetPostcode
26 Mar 2026£920,000OtherPortland PlaceW1B 1NU
1 Dec 2025£5,000,000OtherPortland PlaceW1B 1PW
30 Sep 2025£104,500OtherKingly CourtW1B 5PW
7 Aug 2025£1,015,000FlatPortland PlaceW1B 1NX
6 Jun 2025£4,600,000FlatPortland PlaceW1B 1NS
24 Mar 2025£1,000,000FlatPark CrescentW1B 1PD
17 Mar 2025£275,000FlatPortland PlaceW1B 1NX
26 Feb 2025£22,000,000OtherWarwick StreetW1B 5NF
3 Jan 2025£1,825,000FlatPortland PlaceW1B 1NX
31 Dec 2024£5,300,000Semi-detachedPortland PlaceW1B 1NH

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

Who lives here? Westminster demographics

Census 2021 figures for the wider Westminster district (204,238 residents, 94,816 households):

Age profile
Under 1513.1%
15–2935.4%
30–4421.5%
45–6417.8%
65+12.1%
Housing tenure
Owner-occupied27.4%
Private rented43.6%
Social rented15.2%

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

Schools in and around W1B

SchoolPhaseAgesPupilsPostcode
Southbank International School WestminsterNot applicable11–18456W1B 1QR
Eifa International SchoolNot applicable2–14111W1B 1LS
University of WestminsterNot applicableW1B 2UW

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 W1B

134 rated food businesses operate in W1B. 102 hold the top rating of 5, 17 are rated 4, and 3 are rated 2 or below.

Among the 5-rated: 1 Warwick, 20 Air cafe, Ain't Nothin' But, All Bar One, ALTA Restaurant.

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

Energy performance (EPC) in W1B

From a sample of 72 Energy Performance Certificates across 5 W1B postcodes, the most common rating is band B (average band B). 94% of sampled homes are rated C or better.

Band B

88%

Band C

7%

Band D

3%

Band E

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 Westminster

Landlines around W1B 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 W1B?

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Moving to W1B? Sort your connectivity first

We arrange broadband, full-fibre, leased lines, VoIP and business mobiles across Westminster — free, no-obligation quote.

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Postcodes in W1B

Neighbouring districts

All West London (W) postcode districts ›

Frequently asked questions

Where is the W1B postcode?
W1B covers Westminster in England. It contains 314 live postcodes. The map above shows the district centre; the postcode list further down covers individual addresses.
How much do houses cost in W1B?
Based on 4 sales recorded by HM Land Registry in the last 12 months, the median price paid in W1B is £920,000. See the house-price section above for medians by property type and the most recent sales.
Is W1B a safe area?
Police recorded 4,735 incidents within a mile of the centre of W1B in May 2026, with Other theft the most common category. Compare the breakdown above and check street-level detail on police.uk before drawing conclusions — a busy high street inflates raw counts.
What broadband can I get in W1B?
In W1B, 67.6% of premises can order superfast broadband and 66.8% are within reach of a gigabit-capable service (Ofcom Connected Nations). Enter a full postcode in the checker on this page for address-level availability.
Who lives in W1B?
In the wider Westminster district, 27% of households own their home, 44% rent privately and 15% are in social housing (Census 2021). The age profile and household counts are in the demographics section above.
How energy efficient are homes in W1B?
Across a sample of 72 Energy Performance Certificates in W1B, the most common rating is band B and the average is band B. 68 of the sampled homes are rated C or better. See the EPC section above for the full band breakdown.

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.

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