Over the past 31 years, there have been 80 property sales recorded in the SW3 3BQ postcode area. The highest sale price reached £1,300,000, while the most recent sale was for a terraced flat sold in December 2025 for £450,000.

The estimated average property value in SW3 3BQ currently stands at £621,635, which is approximately 23.2% 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 £17,685.

Property prices in SW3 3BQ have fallen by 3.3% over the past year , with a total decrease of 3.2% over the past five years , and a long-term drop of 8.7% over the past decade .

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

Housing in SW3 3BQ is mixed, with 72% of homes being , indicating a diverse residential makeup.

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Property Sales

Flat 801, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BQ

🏠 Flat
🛏️ 1bed
📐 291 sq ft
Today
£400,660
streetscan.co.uk estimate
11 Oct 2024
£460,000
27 Sep 2002
£232,500
More details

Flat 802, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BQ

🏠 Flat
🛏️ 2bed
📐 291 sq ft
Today
£443,544
streetscan.co.uk estimate
27 Sep 2001
£175,000
22 Feb 1995
£65,000
More details

Flat 803, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BQ

🏠 Flat
🛏️ 2bed
📐 388 sq ft
Today
£565,741
streetscan.co.uk estimate
28 Jun 2007
£368,000
8 Sep 2006
£247,500
More details

Flat 804, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BQ

🏠 Flat
🛏️ 2bed
📐 452 sq ft
Today
£728,325
streetscan.co.uk estimate
11 Jun 2018
£850,000
4 Feb 2010
£510,000
View +1 more
More details

Flat 806, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BQ

🏠 Flat
🛏️ 2bed
📐 549 sq ft
Today
£1,000,897
streetscan.co.uk estimate
10 May 1996
£185,000
More details

Flat 807, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BQ

🏠 Flat
🛏️ 1bed
📐 355 sq ft
Today
£529,745
streetscan.co.uk estimate
2 Jul 1999
£147,500
More details

Flat 808, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BQ

🏠 Flat
🛏️ 1bed
📐 344 sq ft
Today
£625,967
streetscan.co.uk estimate
18 Jun 1999
£169,100
More details

Flat 809, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BQ

🏠 Flat
🛏️ 2bed
📐 377 sq ft
Today
£454,004
streetscan.co.uk estimate
20 Nov 2009
£305,000
10 Dec 1999
£155,000
View +1 more
More details

Flat 810, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BQ

🏠 Flat
🛏️ 2bed
📐 355 sq ft
Today
£641,969
streetscan.co.uk estimate
9 Jun 2021
£680,000
29 Feb 2016
£520,000
View +1 more
More details

Flat 811, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BQ

🏠 Flat
🛏️ 1bed
📐 334 sq ft
Today
£536,036
streetscan.co.uk estimate
4 Aug 2010
£392,500
8 Aug 2003
£249,950
View +1 more
More details

Flat 812, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BQ

🏠 Flat
🛏️ 1bed
📐 355 sq ft
Today
£537,399
streetscan.co.uk estimate
27 Sep 2002
£237,500
More details

Flat 813, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BQ

🏠 Flat
🛏️ 1bed
📐 334 sq ft
Today
£610,011
streetscan.co.uk estimate
20 Jul 2016
£670,000
28 Mar 2008
£390,000
View +1 more
More details

Flat 814, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BQ

🏠 Flat
🛏️ 3bed
📐 301 sq ft
Today
£583,105
streetscan.co.uk estimate
24 Jul 2003
£242,500
More details

Flat 815, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BQ

🏠 Flat
🛏️ 1bed
📐 323 sq ft
Today
£544,995
streetscan.co.uk estimate
21 Jul 2015
£642,500
18 Apr 2013
£515,000
View +3 more
More details

Flat 816, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BQ

🏠 Flat
🛏️ 1bed
📐 323 sq ft
Today
£424,832
streetscan.co.uk estimate
30 Jun 2021
£450,000
15 Jul 2010
£390,000
View +1 more
More details

Flat 817, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BQ

🏠 Flat
🛏️ 1bed
📐 324 sq ft
Today
£516,389
streetscan.co.uk estimate
4 Sep 2020
£610,000
23 Mar 2001
£165,000
More details

Flat 818, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BQ

🏠 Flat
🛏️ 2bed
📐 409 sq ft
Today
£560,231
streetscan.co.uk estimate
16 Sep 2011
£460,000
More details

Flat 819, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BQ

🏠 Flat
🛏️ 3bed
📐 301 sq ft
Today
£542,228
streetscan.co.uk estimate
24 Jul 2003
£225,500
More details

Flat 820, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BQ

🏠 Flat
🛏️ 2bed
📐 280 sq ft
Today
£476,009
streetscan.co.uk estimate
23 Aug 2024
£520,000
20 Feb 2023
£505,000
More details

Flat 821, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BQ

🏠 Flat
🛏️ 1bed
📐 420 sq ft
Today
£510,842
streetscan.co.uk estimate
24 Jan 1996
£92,000
More details

Flat 822, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BQ

🏠 Flat
🛏️ 1bed
📐 366 sq ft
Today
£610,065
streetscan.co.uk estimate
23 Feb 2005
£266,000
More details

Flat 824, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BQ

🏠 Flat
🛏️ 3bed
📐 603 sq ft
Today
£847,390
streetscan.co.uk estimate
4 Dec 2020
£1,000,000
3 Oct 2002
£395,000
More details

Flat 825, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BQ

🏠 Flat
🛏️ 2bed
📐 355 sq ft
Today
£639,186
streetscan.co.uk estimate
16 Apr 2010
£465,000
9 Feb 2006
£330,000
View +1 more
More details

Flat 826, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BQ

🏠 Flat
🛏️ 1bed
📐 323 sq ft
Today
£537,399
streetscan.co.uk estimate
20 Sep 2002
£237,500
More details

Flat 827, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BQ

🏠 Flat
🛏️ 1bed
📐 269 sq ft
Today
£464,465
streetscan.co.uk estimate
6 Sep 2024
£525,000
6 Sep 2016
£525,000
More details

Flat 828, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BQ

🏠 Flat
🛏️ 1bed
📐 409 sq ft
Today
£491,841
streetscan.co.uk estimate
20 Sep 2004
£250,000
11 Jul 1997
£145,000
View +1 more
More details

Flat 829, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BQ

🏠 Flat
🛏️ 2bed
📐 581 sq ft
Today
£786,973
streetscan.co.uk estimate
29 Apr 2024
£862,500
12 Oct 2015
£1,050,000
View +1 more
More details

Flat 830, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BQ

🏠 Flat
🛏️ 2bed
📐 344 sq ft
Today
£490,575
streetscan.co.uk estimate
5 Mar 2013
£465,000
18 Oct 2002
£239,500
More details

Flat 831, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BQ

🏠 Flat
🛏️ 2bed
📐 334 sq ft
Today
£586,693
streetscan.co.uk estimate
8 Aug 2014
£700,000
4 Oct 2002
£236,125
More details

Flat 832, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BQ

🏠 Flat
🛏️ 1bed
📐 420 sq ft
Today
£528,030
streetscan.co.uk estimate
16 Nov 2004
£249,000
23 Jul 2004
£207,000
More details

Flat 833, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BQ

🏠 Flat
🛏️ 2bed
📐 366 sq ft
Today
£454,306
streetscan.co.uk estimate
2 Dec 2025
£450,000
26 Mar 2002
£138,345
More details

Flat 834, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BQ

🏠 Flat
🛏️ 2bed
📐 334 sq ft
Today
£441,045
streetscan.co.uk estimate
20 Aug 2004
£220,000
More details

Flat 835, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BQ

🏠 Flat
🛏️ 1bed
📐 398 sq ft
Today
£430,421
streetscan.co.uk estimate
2 May 2006
£230,000
More details

Flat 837, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BQ

Today
£597,833
streetscan.co.uk estimate
23 Dec 2002
£255,000
8 Aug 2002
£200,000
5 Jun 1998
£150,000

Flat 838, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BQ

🏠 Flat
🛏️ 2bed
📐 420 sq ft
Today
£486,043
streetscan.co.uk estimate
16 Jun 2022
£637,500
13 Mar 2009
£460,000
View +1 more
More details

Flat 839, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BQ

🏠 Flat
🛏️ 1bed
📐 344 sq ft
Today
£508,265
streetscan.co.uk estimate
2 Sep 2013
£545,000
5 Sep 2006
£240,000
View +2 more
More details

Flat 840, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BQ

Today
£582,340
streetscan.co.uk estimate
9 Sep 2004
£296,000

Flat 841, Nell Gwynn House Sloane Avenue, London, Kensington And Chelsea, Greater London, SW3 3BQ

🏠 Flat
🛏️ 3bed
📐 710 sq ft
Today
£1,225,922
streetscan.co.uk estimate
28 Feb 2014
£1,300,000
25 Jul 2008
£640,000
View +1 more
More details

Area Insights

Data Sources

Properties at SW3 3BQ appear eighty times in the Land Registry records, with the latest transaction recorded on 2 Dec 2025. It also has thirty-six Energy Performance Certificates (EPC) entries, the earliest dating back to 1 Nov 2018. 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.