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SW1X 9HL, London

Sold prices and local information for SW1X 9HL on William Street. Free

MyStreetCheck free area report: SW1X 9HL · 26 October 2026 · www.mystreetcheck.co.uk/postcode/sw1x-9hl

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Average sold price
£9,030,000
5 recorded sales since 2016
Last 12 months
£12,375,000
2 sales
Council tax (Band D)
£1,050
Ultrafast broadband
100%
of homes, gigabit 100%

Sold prices in SW1X 9HL

AddressDatePriceType
Apartment 9, 1, William Street20 Jan 2026£1,500,000Flat
Apartment 6, 1, William Street21 Nov 2025£23,250,000Flat
Apartment 9, 1, William Street30 Sep 2025£2,550,000Flat
Apartment 7, 1, William Street12 Mar 2024£2,650,000Flat
Apartment 4, 1, William Street29 Sep 2023£15,200,000Flat

Source: HM Land Registry Price Paid Data. Tenure: 0% freehold, 100% leasehold.

Streets in SW1X 9HL

Schools near SW1X 9HL

SchoolTypeOfstedDistance
More House SchoolOther independent school–0.3 mi
Hill House SchoolOther independent school–0.3 mi
Caelum House SchoolOther independent special school–0.4 mi
Knightsbridge SchoolOther independent school–0.4 mi
Sussex House SchoolOther independent school–0.5 mi
London Park School Mayfair and London Park School SixthOther independent school–0.5 mi

See more schools near SW1X 9HL

Living in SW1X 9HL

Nearest stations

  • London Victoria station 0.8 mi · 15 min walk
  • London Victoria station 0.8 mi · 15 min walk
  • London Paddington station 1.2 mi · 25 min walk

Supermarkets

  • Waitrose 0.2 mi
  • Sainsburys Local 0.4 mi
  • Little Waitrose 0.4 mi
  • Spar 0.6 mi

Pharmacies

  • A Moore & Co 0.2 mi
  • Day Lewis Pharmacy 0.3 mi
  • Boots 0.4 mi

Dentists

  • Knightsbridge Orthodontics 0.5 mi
  • Elizabeth Street Dentist 0.6 mi
  • Happy Kids Dental Practice Limited 0.6 mi

GP surgeries

  • Knightsbridge Medical Centre 0.3 mi
  • Imperial College Health Centre 0.6 mi
  • Belgravia Surgery 0.6 mi

Mobile signal

4G indoors from all four networks: 100% of homes in Westminster (England & Wales 89%).

Source: Ofcom, Jul 2025.

Deprivation

12345678910

Decile 8 of 10 (10 = least deprived), English Indices of Deprivation 2025.

Income10 of 10
Employment10 of 10
Education and skills8 of 10
Health and disability10 of 10
Crime6 of 10
Access to housing and services9 of 10
Living environment1 of 10

Each domain ranked in deciles across England (10 = least deprived).

Who lives in SW1X 9HL

Ethnic group

HereWestminster
White70.3%55.2%
Asian, Asian British or Asian Welsh12.3%16.8%
Other ethnic group11.1%13.5%
Mixed or Multiple ethnic groups5.1%6.5%
Black, Black British, Black Welsh, Caribbean or African1%8.1%

Religion

HereWestminster
Christian51.1%37.3%
No religion22.5%25.9%
Not answered8.2%9.4%
Muslim7.6%20%
Jewish3.4%2.8%
Other religion3.1%0.9%
Hindu2.8%2.2%
Sikh0.7%–

Country of birth

HereWestminster
Born in the UK37.4%44.4%
Born outside the UK62.6%55.6%

Highest qualification

HereWestminster
Level 4 qualifications and above60.5%57.7%
No qualifications10.2%12.9%
Level 3 qualifications9.6%12.4%
Other qualifications9.6%3.2%
Level 2 qualifications6.5%6.9%
Level 1 and entry level qualifications2.6%4.9%
Apprenticeship1%2.1%

General health

HereWestminster
Very good health67.4%56.3%
Good health26.1%28.9%
Fair health5%9.7%
Bad health1.2%3.6%
Very bad health0.3%1.5%

Occupation

HereWestminster
Managers, directors and senior officials29.9%22.5%
Professional occupations24.3%30.6%
Associate professional and technical occupations18.6%17.3%
Elementary occupations10.8%5.7%
Administrative and secretarial occupations6.3%6.6%
Caring, leisure and other service occupations6.3%6.1%
Sales and customer service occupations2.2%5.1%
Skilled trades occupations1.3%3.4%
Process, plant and machine operatives0.5%2.7%

Cars or vans per household

HereWestminster
No cars or vans in household48%66.2%
1 car or van in household34.6%27.8%
2 cars or vans in household10.7%4.9%
3 or more cars or vans in household6.7%1.1%

Economic activity

HereWestminster
Economically active (excluding full-time students)63.9%59.6%
Economically inactive34.9%37.9%
Economically active and a full-time student1.2%2.6%

Source: Census 2021 (ONS), via Nomis. Percentages of usual residents or households, as recorded in March 2021.

Planning and heritage near SW1X 9HL

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