Over the past 30 years, there have been 87 property sales recorded in the SW3 3BB postcode area. The highest sale price reached £860,000, while the most recent sale was for a terraced flat sold in March 2025 for £560,000.

The estimated average property value in SW3 3BB currently stands at £571,611, which is approximately 29.4% lower than the city average - making it a relatively affordable option for buyers.

In terms of size, the average price per square metre is approximately £17,472.

Property prices in SW3 3BB have fallen by 3.3% over the past year , with a total decrease of 2.7% over the past five years , and a long-term drop of 8.9% over the past decade .

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

Housing in SW3 3BB is mixed, with 55% of homes being , indicating a diverse residential makeup.

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Property Sales

Flat 401, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BB

🏠 Flat
🛏️ 1bed
📐 323 sq ft
Today
£479,730
streetscan.co.uk estimate
26 Jan 2007
£295,000
2 May 2006
£200,000
More details

Flat 402, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BB

🏠 Flat
🛏️ 1bed
📐 280 sq ft
Today
£519,462
streetscan.co.uk estimate
5 Nov 2007
£361,900
8 Aug 2003
£230,000
More details

Flat 403, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BB

🏠 Flat
🛏️ 1bed
📐 323 sq ft
Today
£463,223
streetscan.co.uk estimate
5 Apr 2023
£545,000
More details

Flat 404, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BB

🏠 Flat
🛏️ 1bed
📐 301 sq ft
Today
£459,824
streetscan.co.uk estimate
21 Dec 2009
£310,000
8 May 1997
£95,000
More details

Flat 405, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BB

🏠 Flat
🛏️ 2bed
📐 355 sq ft
Today
£507,010
streetscan.co.uk estimate
10 Aug 2022
£665,000
5 Aug 2011
£495,000
View +1 more
More details

Flat 406, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BB

🏠 Flat
🛏️ 1bed
📐 291 sq ft
Today
£420,598
streetscan.co.uk estimate
25 Mar 2014
£450,000
13 Feb 2013
£380,000
View +1 more
More details

Flat 407, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BB

🏠 Flat
🛏️ 2bed
📐 301 sq ft
Today
£397,747
streetscan.co.uk estimate
29 Mar 2006
£205,000
10 May 2001
£175,000
More details

Flat 408, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BB

🏠 Flat
🛏️ 1bed
📐 301 sq ft
Today
£405,232
streetscan.co.uk estimate
29 Sep 2000
£145,000
4 Nov 1998
£140,000
More details

Flat 409, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BB

🏠 Flat
🛏️ 1bed
📐 291 sq ft
Today
£504,565
streetscan.co.uk estimate
3 Oct 2006
£275,000
6 Aug 2003
£225,000
More details

Flat 410, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BB

Today
£636,638
streetscan.co.uk estimate
30 May 2003
£262,500

Flat 411, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BB

🏠 Flat
🛏️ 2bed
📐 344 sq ft
Today
£641,366
streetscan.co.uk estimate
2 Mar 2009
£345,000
5 Dec 1997
£134,000
View +1 more
More details

Flat 412, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BB

🏠 Flat
🛏️ 1bed
📐 301 sq ft
Today
£512,429
streetscan.co.uk estimate
12 Dec 2003
£229,500
More details

Flat 413, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BB

🏠 Flat
🛏️ 2bed
📐 366 sq ft
Today
£615,321
streetscan.co.uk estimate
23 Apr 2014
£670,000
More details

Flat 415, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BB

🏠 Flat
🛏️ 1bed
📐 398 sq ft
Today
£506,400
streetscan.co.uk estimate
8 Aug 2000
£177,000
More details

Flat 416, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BB

🏠 Flat
🛏️ 1bed
📐 355 sq ft
Today
£571,266
streetscan.co.uk estimate
4 Dec 2019
£620,000
17 Mar 2016
£635,000
View +1 more
More details

Flat 417, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BB

🏠 Flat
🛏️ 2bed
📐 398 sq ft
Today
£610,120
streetscan.co.uk estimate
13 Jul 2005
£300,000
24 Mar 2005
£211,000
View +1 more
More details

Flat 418, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BB

🏠 Flat
🛏️ 2bed
📐 344 sq ft
Today
£576,455
streetscan.co.uk estimate
11 Sep 2017
£655,000
29 Jun 2006
£310,000
View +1 more
More details

Flat 419, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BB

🏠 Flat
🛏️ 2bed
📐 409 sq ft
Today
£512,625
streetscan.co.uk estimate
21 Mar 2025
£560,000
29 Aug 2014
£725,000
View +2 more
More details

Flat 420, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BB

🏠 Flat
🛏️ 1bed
📐 344 sq ft
Today
£587,130
streetscan.co.uk estimate
10 Sep 2003
£240,000
More details

Flat 421, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BB

🏠 Flat
🛏️ 1bed
📐 312 sq ft
Today
£487,277
streetscan.co.uk estimate
1 Sep 2006
£265,000
18 Jul 2003
£220,000
More details

Flat 422, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BB

🏠 Flat
🛏️ 2bed
📐 323 sq ft
Today
£525,274
streetscan.co.uk estimate
13 Feb 2019
£590,000
14 Mar 2013
£450,000
View +1 more
More details

Flat 423, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BB

🏠 Flat
🛏️ 2bed
📐 366 sq ft
Today
£586,693
streetscan.co.uk estimate
8 Aug 2014
£700,000
29 Aug 2003
£277,500
More details

Flat 424, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BB

🏠 Flat
🛏️ 2bed
📐 409 sq ft
Today
£653,095
streetscan.co.uk estimate
29 May 2009
£390,000
21 Jun 2007
£365,000
View +1 more
More details

Flat 425, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BB

🏠 Flat
🛏️ 3bed
📐 689 sq ft
Today
£1,013,277
streetscan.co.uk estimate
30 Oct 2003
£425,000
More details

Flat 427, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BB

🏠 Flat
🛏️ 2bed
📐 334 sq ft
Today
£451,540
streetscan.co.uk estimate
27 Jan 2023
£535,000
19 Jul 2007
£330,000
View +1 more
More details

Flat 428, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BB

🏠 Flat
🛏️ 2bed
📐 280 sq ft
Today
£442,348
streetscan.co.uk estimate
30 Sep 2024
£500,000
21 Feb 2012
£499,999
View +1 more
More details

Flat 431, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BB

🏠 Flat
🛏️ 1bed
📐 280 sq ft
Today
£505,521
streetscan.co.uk estimate
31 Oct 1997
£115,000
More details

Flat 434, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BB

🏠 Flat
🛏️ 2bed
📐 409 sq ft
Today
£610,277
streetscan.co.uk estimate
25 Feb 2004
£282,000
5 Sep 2003
£266,500
More details

Flat 435, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BB

🏠 Flat
🛏️ 1bed
📐 323 sq ft
Today
£533,805
streetscan.co.uk estimate
2 Sep 2014
£635,000
8 Feb 2006
£221,000
View +2 more
More details

Flat 436, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BB

🏠 Flat
🛏️ 2bed
📐 355 sq ft
Today
£452,414
streetscan.co.uk estimate
14 Apr 2022
£595,000
More details

Flat 437, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BB

🏠 Flat
🛏️ 1bed
📐 377 sq ft
Today
£519,385
streetscan.co.uk estimate
10 Jan 2002
£192,000
More details

Flat 438, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BB

🏠 Flat
🛏️ 2bed
📐 355 sq ft
Today
£542,631
streetscan.co.uk estimate
16 Oct 2018
£650,000
17 Mar 2009
£370,000
View +2 more
More details

Flat 439, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BB

🏠 Flat
🛏️ 1bed
📐 269 sq ft
Today
£379,351
streetscan.co.uk estimate
16 Feb 2024
£422,500
More details

Flat 440, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BB

🏠 Flat
🛏️ 2bed
📐 334 sq ft
Today
£533,432
streetscan.co.uk estimate
23 Mar 2022
£669,950
26 Aug 2016
£720,000
View +1 more
More details

Flat 442, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BB

🏠 Flat
🛏️ 1bed
📐 323 sq ft
Today
£429,705
streetscan.co.uk estimate
1 Apr 2011
£362,500
30 Sep 2003
£230,000
More details

Flat 444, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BB

🏠 Flat
🛏️ 1bed
📐 301 sq ft
Today
£166,770
streetscan.co.uk estimate
6 Dec 2007
£115,000
8 Sep 2004
£136,500
More details

Flat 445, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BB

🏠 Flat
🛏️ 1bed
📐 301 sq ft
Today
£457,915
streetscan.co.uk estimate
3 Jun 2016
£510,000
3 Jun 2005
£190,000
View +2 more
More details

Flat 446, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BB

🏠 Flat
🛏️ 2bed
📐 366 sq ft
Today
£639,617
streetscan.co.uk estimate
23 May 2008
£435,000
2 Jul 2007
£282,500
More details

Flat 447, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BB

🏠 Flat
🛏️ 3bed
📐 721 sq ft
Today
£716,525
streetscan.co.uk estimate
9 Feb 2022
£860,000
25 Aug 2006
£452,582
View +1 more
More details

Area Insights

Data Sources

Properties at SW3 3BB appear eighty-seven times in the Land Registry records, with the latest transaction recorded on 21 Mar 2025. It also has thirty-eight Energy Performance Certificates (EPC) entries, the earliest dating back to 17 Aug 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.