Over the past 31 years, there have been 72 property sales recorded in the W9 1HG postcode area. The highest sale price reached £1,141,130, while the most recent sale was for a terraced flat sold in August 2025 for £975,000.

The estimated average property value in W9 1HG currently stands at £949,248, which is approximately 17.3% 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 £10,673.

Property prices in W9 1HG 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 5.2% over the past decade .

100% of recorded transactions in the area were for flat properties.

Housing in W9 1HG is mixed, with 47% of homes being owner-occupied, indicating a diverse residential makeup.

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Property Sales

Flat 101, Castellain Mansions Castellain Road, London, City Of Westminster, Greater London, W9 1HG

🏠 Flat
🛏️ 5bed
📐 1023 sq ft
Today
£864,607
streetscan.co.uk estimate
15 Jul 2005
£450,000
9 Apr 2002
£355,000
More details

Flat 103, Castellain Mansions Castellain Road, London, City Of Westminster, Greater London, W9 1HG

Today
£740,017
streetscan.co.uk estimate
24 Feb 1995
£125,500

Flat 105, Castellain Mansions Castellain Road, London, City Of Westminster, Greater London, W9 1HG

🏠 Flat
🛏️ 5bed
📐 958 sq ft
Today
£800,761
streetscan.co.uk estimate
5 Feb 2016
£1,015,000
More details

Flat 107, Castellain Mansions Castellain Road, London, City Of Westminster, Greater London, W9 1HG

🏠 Flat
🛏️ 5bed
📐 990 sq ft
Today
£794,728
streetscan.co.uk estimate
26 Oct 2023
£1,012,000
26 Jan 2010
£670,000
View +2 more
More details

Flat 113, Castellain Mansions Castellain Road, London, City Of Westminster, Greater London, W9 1HG

🏠 Flat
🛏️ 4bed
📐 893 sq ft
Today
£809,467
streetscan.co.uk estimate
12 Oct 2015
£1,000,000
6 Feb 2008
£699,950
View +1 more
More details

Flat 117, Castellain Mansions Castellain Road, London, City Of Westminster, Greater London, W9 1HG

🏠 Flat
🛏️ 3bed
📐 969 sq ft
Today
£839,641
streetscan.co.uk estimate
6 May 2021
£1,025,000
23 Oct 2006
£487,500
More details

Flat 119, Castellain Mansions Castellain Road, London, City Of Westminster, Greater London, W9 1HG

🏠 Flat
🛏️ 4bed
📐 1001 sq ft
Today
£755,438
streetscan.co.uk estimate
15 Nov 2019
£920,000
More details

Flat 121, Castellain Mansions Castellain Road, London, City Of Westminster, Greater London, W9 1HG

🏠 Flat
🛏️ 3bed
📐 1012 sq ft
Today
£851,131
streetscan.co.uk estimate
11 Jul 2025
£1,100,000
More details

Flat 123, Castellain Mansions Castellain Road, London, City Of Westminster, Greater London, W9 1HG

🏠 Flat
🛏️ 5bed
📐 990 sq ft
Today
£768,951
streetscan.co.uk estimate
2 Mar 2017
£1,050,000
More details

Flat 125, Castellain Mansions Castellain Road, London, City Of Westminster, Greater London, W9 1HG

Today
£743,873
streetscan.co.uk estimate
30 May 2006
£410,000

Flat 127, Castellain Mansions Castellain Road, London, City Of Westminster, Greater London, W9 1HG

🏠 Flat
🛏️ 5bed
📐 947 sq ft
Today
£834,530
streetscan.co.uk estimate
26 Nov 2010
£662,500
More details

Flat 129, Castellain Mansions Castellain Road, London, City Of Westminster, Greater London, W9 1HG

🏠 Flat
🛏️ 4bed
📐 926 sq ft
Today
£534,604
streetscan.co.uk estimate
28 Jul 2017
£730,000
More details

Flat 137, Castellain Mansions Castellain Road, London, City Of Westminster, Greater London, W9 1HG

🏠 Flat
🛏️ 5bed
📐 920 sq ft
Today
£833,130
streetscan.co.uk estimate
15 Sep 2020
£1,000,000
21 Oct 2005
£399,999
View +1 more
More details

Flat 139, Castellain Mansions Castellain Road, London, City Of Westminster, Greater London, W9 1HG

🏠 Flat
🛏️ 5bed
📐 990 sq ft
Today
£816,279
streetscan.co.uk estimate
27 Aug 2025
£975,000
25 Oct 2013
£840,000
View +2 more
More details

Flat 141, Castellain Mansions Castellain Road, London, City Of Westminster, Greater London, W9 1HG

Today
£922,317
streetscan.co.uk estimate
28 Jun 2007
£596,000
18 Aug 2004
£399,950
14 Nov 1997
£214,000
30 Nov 1995
£120,000

Flat 143, Castellain Mansions Castellain Road, London, City Of Westminster, Greater London, W9 1HG

Today
£862,371
streetscan.co.uk estimate
4 Jul 2000
£292,500

Flat 145, Castellain Mansions Castellain Road, London, City Of Westminster, Greater London, W9 1HG

🏠 Flat
🛏️ 4bed
📐 764 sq ft
Today
£707,309
streetscan.co.uk estimate
31 Mar 2016
£880,000
23 Oct 1996
£135,000
More details

Flat 147, Castellain Mansions Castellain Road, London, City Of Westminster, Greater London, W9 1HG

🏠 Flat
🛏️ 5bed
📐 947 sq ft
Today
£730,537
streetscan.co.uk estimate
19 Jul 2022
£979,389
10 Mar 2010
£700,000
View +2 more
More details

Flat 149, Castellain Mansions Castellain Road, London, City Of Westminster, Greater London, W9 1HG

🏠 Flat
🛏️ 4bed
📐 859 sq ft
Today
£951,869
streetscan.co.uk estimate
21 Aug 2015
£1,141,130
9 Jul 2010
£675,000
View +3 more
More details

Flat 153, Castellain Mansions Castellain Road, London, City Of Westminster, Greater London, W9 1HG

🏠 Flat
🛏️ 5bed
📐 980 sq ft
Today
£843,660
streetscan.co.uk estimate
19 Apr 2006
£465,000
17 Aug 1998
£178,000
More details

Flat 155, Castellain Mansions Castellain Road, London, City Of Westminster, Greater London, W9 1HG

Today
£799,349
streetscan.co.uk estimate
5 Nov 2004
£395,000
20 Dec 1995
£174,000
21 Mar 1995
£117,500

Flat 157, Castellain Mansions Castellain Road, London, City Of Westminster, Greater London, W9 1HG

🏠 Flat
🛏️ 3bed
📐 956 sq ft
Today
£716,230
streetscan.co.uk estimate
13 Jan 2012
£600,000
14 Nov 2008
£599,500
View +1 more
More details

Flat 159, Castellain Mansions Castellain Road, London, City Of Westminster, Greater London, W9 1HG

Today
£959,620
streetscan.co.uk estimate
19 Jun 2008
£665,000
26 Aug 2005
£460,000
14 Aug 2003
£365,000
18 Feb 2000
£295,000
2 May 1997
£180,000

Flat 81, Castellain Mansions Castellain Road, London, City Of Westminster, Greater London, W9 1HG

🏠 Flat
🛏️ 4bed
📐 872 sq ft
Today
£907,592
streetscan.co.uk estimate
30 Sep 2011
£755,000
10 May 2002
£358,500
More details

Flat 83, Castellain Mansions Castellain Road, London, City Of Westminster, Greater London, W9 1HG

🏠 Flat
🛏️ 4bed
📐 915 sq ft
Today
£650,724
streetscan.co.uk estimate
25 Mar 2024
£880,000
1 Nov 2000
£249,000
More details

Flat 85, Castellain Mansions Castellain Road, London, City Of Westminster, Greater London, W9 1HG

Today
£914,651
streetscan.co.uk estimate
20 May 2004
£460,000
21 Jul 2000
£315,000
9 Oct 1997
£216,000

Flat 87, Castellain Mansions Castellain Road, London, City Of Westminster, Greater London, W9 1HG

🏠 Flat
🛏️ 4bed
📐 926 sq ft
Today
£858,109
streetscan.co.uk estimate
24 Oct 2001
£345,000
14 Jul 1997
£80,000
More details

Flat 93, Castellain Mansions Castellain Road, London, City Of Westminster, Greater London, W9 1HG

🏠 Flat
🛏️ 5bed
📐 980 sq ft
Today
£700,216
streetscan.co.uk estimate
16 Sep 2022
£950,000
9 Dec 1998
£220,000
View +1 more
More details

Flat 95, Castellain Mansions Castellain Road, London, City Of Westminster, Greater London, W9 1HG

🏠 Flat
🛏️ 4bed
📐 1001 sq ft
Today
£663,903
streetscan.co.uk estimate
22 Apr 2022
£925,000
More details

Flat 97, Castellain Mansions Castellain Road, London, City Of Westminster, Greater London, W9 1HG

🏠 Flat
🛏️ 3bed
📐 861 sq ft
Today
£668,323
streetscan.co.uk estimate
19 Jul 2019
£810,000
25 Jun 2009
£532,000
View +2 more
More details

Area Insights

Data Sources

Properties at W9 1HG appear seventy-two times in the Land Registry records, with the latest transaction recorded on 27 Aug 2025. It also has twenty-three Energy Performance Certificates (EPC) entries, the earliest dating back to 4 Mar 2019. 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.