House Prices in Sloane Avenue, Kensington And Chelsea, London, SW3

House prices in Sloane Avenue have an overall average of £1,035,441 over the last year.

The majority of properties sold in Sloane Avenue during the last year were flats, selling for an average price of £476,833. Terraced properties sold for an average of £5,225,000.

Overall, the historical sold prices in Sloane Avenue over the last year were 38% up on the previous year and 52% up on the 2021 peak of £681,419.

Properties Sold

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Flat 287, Chelsea Cloisters, Sloane Avenue, London SW3 3DY

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6
Flat
Leasehold
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27 May 2025
£265,000
31 Oct 2003
£157,500

Flat 648, Chelsea Cloisters, Sloane Avenue, London SW3 3EN

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14
Flat
2
Leasehold
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8 May 2025
£965,000
22 Mar 2013
£895,000

Flat 543, Nell Gwynn House, Sloane Avenue, London SW3 3BD

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11
Flat
Leasehold
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2 May 2025
£400,000

No other historical records.

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Extensions and planning permission in SW3

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Flat 773, Chelsea Cloisters, Sloane Avenue, London SW3 3EP

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9
Flat
2
Leasehold
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25 Apr 2025
£595,000
12 Apr 2001
£250,000

No other historical records.

Flat 571, Chelsea Cloisters, Sloane Avenue, London SW3 3EJ

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4
Flat
Leasehold
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27 Mar 2025
£265,000
28 Mar 2002
£132,000

Flat 137, Nell Gwynn House, Sloane Avenue, London SW3 3AX

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12
Flat
1
Leasehold
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4 Mar 2025
£530,000
8 Sep 2014
£710,000

Flat H14, Sloane Avenue Mansions, Sloane Avenue, London SW3 3JW

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10
Flat
Leasehold
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28 Feb 2025
£402,500
21 Mar 2022
£375,000

Flat F11, Sloane Avenue Mansions, Sloane Avenue, London SW3 3JL

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9
Flat
1
Leasehold
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28 Feb 2025
£480,000
13 Sep 2022
£510,000

No other historical records.

Flat 810, Chelsea Cloisters, Sloane Avenue, London SW3 3ER

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10
Flat
Leasehold
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15 Nov 2024
£260,000

No other historical records.

Flat 830, Chelsea Cloisters, Sloane Avenue, London SW3 3ER

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2
Flat
Leasehold
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15 Nov 2024
£255,000
16 Sep 2016
£335,000

Flat 927, Nell Gwynn House, Sloane Avenue, London SW3 3BH

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8
Flat
1
Leasehold
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14 Oct 2024
£750,000
27 Aug 2002
£249,500

No other historical records.

Flat 801, Nell Gwynn House, Sloane Avenue, London SW3 3BQ

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12
Flat
Leasehold
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11 Oct 2024
£460,000
27 Sep 2002
£232,500

No other historical records.

Flat 428, Nell Gwynn House, Sloane Avenue, London SW3 3BB

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4
Flat
1
Leasehold
Today
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30 Sep 2024
£500,000
21 Feb 2012
£499,999

Flat 30, Nell Gwynn House, Sloane Avenue, London SW3 3AU

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17
Flat
Leasehold
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26 Sep 2024
£500,000
15 Apr 1997
£114,000

14, Sloane Avenue, London SW3 3JE

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22
Terraced
5
Freehold
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24 Sep 2024
£4,150,000
31 Jan 2005
£1,610,000

No other historical records.

Flat C3, Sloane Avenue Mansions, Sloane Avenue, London SW3 3JQ

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5
Flat
1
Leasehold
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20 Sep 2024
£525,000
4 Jan 2008
£324,000

No other historical records.

25, Sloane Avenue, London SW3 3JB

Property image
12
Terraced
3
Freehold
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2 Sep 2024
£6,300,000
25 Nov 2009
£3,500,000

No other historical records.

Flat 153, Chelsea Cloisters, Sloane Avenue, London SW3 3DR

Property image
6
Flat
Leasehold
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19 Jul 2024
£260,000
20 Jun 2007
£211,001

Flat B14, Sloane Avenue Mansions, Sloane Avenue, London SW3 3JG

Property image
7
Flat
Leasehold
Today
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5 Jul 2024
£350,000
19 Oct 2022
£360,000

No other historical records.

Flat 767, Chelsea Cloisters, Sloane Avenue, London SW3 3EP

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12
Flat
Leasehold
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23 May 2024
£285,000

No other historical records.

Flat G3, Sloane Avenue Mansions, Sloane Avenue, London SW3 3JN

Property image
8
Flat
1
Leasehold
Today
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10 May 2024
£500,000

No other historical records.

Flat 444, Chelsea Cloisters, Sloane Avenue, London SW3 3EQ

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2
Flat
Leasehold
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30 Apr 2024
£255,000
29 Nov 2004
£155,000

Flat 829, Nell Gwynn House, Sloane Avenue, London SW3 3BQ

Property image
5
Flat
1
Leasehold
Today
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29 Apr 2024
£862,500
12 Oct 2015
£1,050,000

11, Sloane Avenue, London SW3 3JD

Property image
15
Terraced
6
Freehold
Today
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3 Apr 2024
£4,675,000
7 Jul 2015
£3,950,000

Flat 224, Nell Gwynn House, Sloane Avenue, London SW3 3AZ

Property image
10
Flat
1
Leasehold
Today
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28 Feb 2024
£590,000
7 Aug 2013
£670,000

No other historical records.

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Source Acknowledgement: © Crown copyright. England and Wales house price data is publicly available information produced by the HM Land Registry.This material was last updated on 16 July 2025. It covers the period from 1 January 1995 to 30 May 2025 and contains property transactions which have been registered during that period. Contains HM Land Registry data © Crown copyright and database right 2025. This data is licensed under the Open Government Licence v3.0.

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Data on planning applications, home extensions and build costs is provided by Resi.co.uk. Planning data is calculated using the last 2 years of residential applications within the selected planning authority. Home extension data, such as build costs and project timelines, are calculated using approximately 9,000 architectural projects Resi has completed, and 23,500 builders quotes submitted via Resi's platform. Build costs are adjusted according to inflation rates to more accurately represent today's prices.

Map data ©OpenStreetMap contributors.

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