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Postcode area report · 865 postcodes

W1K postcode area guide — Westminster

House prices, crime, broadband speeds, mobile signal, schools and demographics for the W1K postcode district in Westminster — every official dataset on one page.

W1K covers Westminster in England and spans 865 live postcodes. Around 204,238 people live across the wider Westminster district. Homes in W1K have sold for a median of £2,750,000 over the past 12 months.

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Where is W1K?

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Broadband & internet speeds in W1K

Strong coverage

Superfast (30Mb+)

79.2%

Ultrafast (300Mb+)

68.5%

Gigabit-capable

68.5%

Below USO (10Mb)

0%

Broadband availability in the W1K postcode district (Westminster) is Strong — superfast is near-universal and gigabit is rolling out. Across the 865 postcodes Ofcom measures in W1K, superfast broadband (30 Mbit/s or faster) reaches 79.2% of premises and gigabit-capable lines are available to 68.5%.

Around 0% of premises in W1K 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 W1K

PostcodeSuperfastGigabit
W1K 1AB0%0%
W1K 1AE0%0%
W1K 1AF0%0%
W1K 1AG100%100%
W1K 1AH100%100%
W1K 1AL100%100%
W1K 1AN100%100%
W1K 1AR100%100%
W1K 1AU0%0%
W1K 1AW100%100%

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 W1K

Police recorded 3,769 incidents within about a mile of the centre of W1K in May 2026 (latest published street-level data). The breakdown:

CategoryIncidentsShare
Theft from the person76420.3%
Other theft75119.9%
Shoplifting63216.8%
Violence & sexual offences48712.9%
Anti-social behaviour43911.6%
Public order1654.4%
Robbery1343.6%
Drugs1283.4%

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 W1K

Based on 34 sales registered with HM Land Registry in the last 12 months, the median sold price in W1K is £2,750,000, down 14.1% on the previous year (£3,200,000).

Terraced

£6,250,000

5 sales

Flat / maisonette

£2,460,000

20 sales

Latest recorded sales in W1K

DatePriceTypeStreetPostcode
7 May 2026£710,000FlatAvery RowW1K 4AL
28 Apr 2026£2,750,000OtherNorth RowW1K 6DJ
13 Apr 2026£5,375,000FlatSouth Audley StreetW1K 2QY
30 Mar 2026£8,600,000FlatSouth StreetW1K 2XL
3 Mar 2026£897,500FlatSouth Molton StreetW1K 5RU
2 Mar 2026£925,000FlatBrooks MewsW1K 4ED
18 Dec 2025£85,400,000OtherOld Park LaneW1K 1QR
17 Dec 2025£30,794,590OtherGrosvenor StreetW1K 3HW
12 Dec 2025£2,900,000FlatNorth RowW1K 7DU
11 Dec 2025£4,500,000FlatGreen StreetW1K 6RE

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 W1K

SchoolPhaseAgesPupilsPostcode
St George's Hanover Square CofE Primary SchoolPrimary3–1173W1K 2XH
Wetherby Senior SchoolNot applicable11–18406W1U 2QU
London Park School Mayfair and London Park School SixthNot applicable11–18202W1J 7NL
Connaught House SchoolNot applicable4–1166W2 2HL
Halcyon London International SchoolNot applicable11–18157W1H 5AU
St Vincent's Catholic Primary SchoolPrimary3–11236W1U 4DF
Wetherby Preparatory SchoolNot applicable8–13255W1H 2EA
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 W1K

174 rated food businesses operate in W1K. 118 hold the top rating of 5, 17 are rated 4, and 5 are rated 2 or below.

Among the 5-rated: 34, 45 Park Lane, Alfred Dunhill Spa, Apricity, Ask Italian.

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

Energy performance (EPC) in W1K

From a sample of 55 Energy Performance Certificates across 5 W1K postcodes, the most common rating is band B (average band B). 84% of sampled homes are rated C or better.

Band B

73%

Band C

11%

Band D

15%

Band E

2%

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 W1K 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 W1K?

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Moving to W1K? 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 W1K

Neighbouring districts

All West London (W) postcode districts ›

Frequently asked questions

Where is the W1K postcode?
W1K covers Westminster in England. It contains 865 live postcodes. Scroll to the map and postcode list on this page to narrow down an exact spot.
How much do houses cost in W1K?
Based on 34 sales recorded by HM Land Registry in the last 12 months, the median price paid in W1K is £2,750,000. See the house-price section above for medians by property type and the most recent sales.
Is W1K a safe area?
Police recorded 3,769 incidents within a mile of the centre of W1K in May 2026, with Theft from the person 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 W1K?
In W1K, 79.2% of premises can order superfast broadband and 68.5% 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 W1K?
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 W1K?
Across a sample of 55 Energy Performance Certificates in W1K, the most common rating is band B and the average is band B. 46 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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