Over the past 31 years, there have been 33 property sales recorded in the W1K 2XL postcode area. The highest sale price reached £9,000,000, while the most recent sale was for a semi-detached flat sold in March 2026 for £8,600,000.

The estimated average property value in W1K 2XL currently stands at £4,820,348, which is approximately 495.5% higher than the city average, indicating a potentially more desirable or in-demand location.

In terms of size, the average price per square metre is approximately £25,027.

Property prices in W1K 2XL have fallen by 12.9% over the past year , with a total decrease of 7.2% over the past five years , and a long-term drop of 1.3% over the past decade .

The most common type of property sold in the area is flat, making up around 97% of transactions , followed by other.

Housing in W1K 2XL is predominantly owner-occupied, with an estimated 78% of homes being lived in by the owners.

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Property Sales

Flat 11, 51 South Street, London, City Of Westminster, Greater London, W1K 2XL

🏠 Flat
🛏️ 4bed
📐 2519 sq ft
Today
£6,486,456
streetscan.co.uk estimate
30 Jun 2008
£4,495,000
More details

Flat 12A, 51 South Street, London, City Of Westminster, Greater London, W1K 2XL

🏠 Flat
🛏️ 5bed
📐 2077 sq ft
Today
£4,552,349
streetscan.co.uk estimate
14 Jun 2016
£5,950,000
8 Dec 2000
£1,362,500
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Flat 15, 51 South Street, London, City Of Westminster, Greater London, W1K 2XL

Today
£304,713
streetscan.co.uk estimate
18 Nov 2014
£380,000

Flat 16, 51 South Street, London, City Of Westminster, Greater London, W1K 2XL

Today
£6,047,561
streetscan.co.uk estimate
22 Oct 2007
£4,350,000
6 Apr 1995
£735,000

Flat 17, 51 South Street, London, City Of Westminster, Greater London, W1K 2XL

🏠 Flat
🛏️ 6bed
📐 2368 sq ft
Today
£3,913,043
streetscan.co.uk estimate
14 Jun 2019
£5,000,000
5 Mar 2004
£1,550,000
View +2 more
More details

Flat 18, 51 South Street, London, City Of Westminster, Greater London, W1K 2XL

🏠 Flat
🛏️ 5bed
📐 2616 sq ft
Today
£8,600,000
streetscan.co.uk estimate
30 Mar 2026
£8,600,000
2 Mar 2005
£1,950,253
More details

Flat 19, 51 South Street, London, City Of Westminster, Greater London, W1K 2XL

🏠 Flat
🛏️ 6bed
📐 2400 sq ft
Today
£6,339,856
streetscan.co.uk estimate
13 Dec 2022
£9,000,000
More details

Flat 2, 51 South Street, London, City Of Westminster, Greater London, W1K 2XL

🏠 Flat
🛏️ 4bed
📐 2293 sq ft
Today
£6,476,960
streetscan.co.uk estimate
5 Jul 2019
£7,850,000
18 Jan 2016
£5,650,000
More details

Flat 20, 51 South Street, London, City Of Westminster, Greater London, W1K 2XL

🏠 Flat
🛏️ 6bed
📐 2164 sq ft
Today
£3,365,217
streetscan.co.uk estimate
14 Jun 2019
£4,300,000
More details

Flat 21, 51 South Street, London, City Of Westminster, Greater London, W1K 2XL

🏠 Flat
🛏️ 9bed
📐 2799 sq ft
Today
£6,866,409
streetscan.co.uk estimate
7 Mar 2025
£7,800,000
More details

Flat 22, 51 South Street, London, City Of Westminster, Greater London, W1K 2XL

🏠 Flat
🛏️ 4bed
📐 2411 sq ft
Today
£4,173,214
streetscan.co.uk estimate
7 Mar 2019
£5,125,000
7 Mar 2019
£15,000
View +1 more
More details

Flat 23, 51 South Street, London, City Of Westminster, Greater London, W1K 2XL

🏠 Flat
🛏️ 4bed
📐 2088 sq ft
Today
£4,136,766
streetscan.co.uk estimate
28 May 2021
£5,050,000
More details

Flat 24, 51 South Street, London, City Of Westminster, Greater London, W1K 2XL

Today
£3,269,118
streetscan.co.uk estimate
28 Feb 1997
£650,000
22 Dec 1995
£495,000

Flat 25, 51 South Street, London, City Of Westminster, Greater London, W1K 2XL

🏠 Flat
🛏️ 3bed
📐 1475 sq ft
Today
£1,426,675
streetscan.co.uk estimate
23 Dec 2019
£1,775,000
30 Apr 2013
£1,469,000
More details

Flat 4, 51 South Street, London, City Of Westminster, Greater London, W1K 2XL

🏠 Flat
🛏️ 4bed
📐 1442 sq ft
Today
£2,304,783
streetscan.co.uk estimate
8 Jul 2003
£1,085,000
More details

Flat 4A, 51 South Street, London, City Of Westminster, Greater London, W1K 2XL

🏠 Flat
🛏️ 3bed
📐 1066 sq ft
Today
£1,654,839
streetscan.co.uk estimate
22 Aug 2013
£1,650,000
14 Feb 2011
£950,000
More details

Flat 6, 51 South Street, London, City Of Westminster, Greater London, W1K 2XL

Today
£2,798,839
streetscan.co.uk estimate
21 Dec 2000
£973,865

Flat 8, 51 South Street, London, City Of Westminster, Greater London, W1K 2XL

🏠 Flat
🛏️ 5bed
📐 2239 sq ft
Today
£4,296,788
streetscan.co.uk estimate
7 Jun 2001
£1,627,000
2 Dec 1999
£840,000
View +1 more
More details

Area Insights

Data Sources

Properties at W1K 2XL appear thirty-three times in the Land Registry records, with the latest transaction recorded on 30 Mar 2026. It also has fourteen Energy Performance Certificates (EPC) entries, the earliest dating back to 25 Nov 2015. We use this data, to estimate the property's characteristics and current market value.

This website uses public sector information from:

These datasets are licensed under the Open Government Licence v3.0.
This website is not affiliated with or endorsed by HM Land Registry or DLUHC.

Disclaimer: StreetScan.co.uk makes all reasonable efforts to ensure the information provided on this website is current and accurate; however, no warranties or representations are made as to its completeness or accuracy. StreetScan.co.uk expressly disclaims any and all liability for any loss, damage, or expense arising directly or indirectly from the use of, or reliance upon, such information.