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W1H 6LJ

Portman Square, London

Median, last 3 years
£2,025,000
4 sales, Jun 2023 – May 2026
Last standard sale
£2,700,000
7 Oct 2025
Standard sales
87
since 1996 (+4 additional entries)
W1H district median
£1,200,000
63 sales, 12 months to May 2026

Medians count standard sales only (Price Paid category A). Additional entries (category B) - repossessions, buy-to-lets with an identifiable mortgage, and purchases by companies and other non-private buyers - are listed below but left out.

Median price by year

£788k £1575k £2363k £3150k 2011: £1,220,000 median, 3 sales 2012: £385,000 median, 1 sale 2013: £1,900,000 median, 3 sales 2013 2015: £1,910,000 median, 2 sales 2016: £2,100,000 median, 1 sale 2016 2017: £1,742,500 median, 2 sales 2018: £2,252,056 median, 3 sales 2019 2020: £3,150,000 median, 1 sale 2021: £2,750,000 median, 2 sales 2022: £2,075,000 median, 2 sales 2022 2023: £1,950,000 median, 3 sales 2025: £2,400,000 median, 2 sales 2025

2011 to 2025. Every year since 1996 is in the figures below.

Paler bars rest on fewer than three sales, so they show which homes sold more than how prices moved.

Show the figures
Median sale price and number of sales by year
Year Median Sales
2025 (few sales) £2,400,000 2
2023 £1,950,000 3
2022 (few sales) £2,075,000 2
2021 (few sales) £2,750,000 2
2020 (few sales) £3,150,000 1
2018 £2,252,056 3
2017 (few sales) £1,742,500 2
2016 (few sales) £2,100,000 1
2015 (few sales) £1,910,000 2
2013 £1,900,000 3
2012 (few sales) £385,000 1
2011 £1,220,000 3
2010 £900,000 5
2009 £980,000 3
2008 (few sales) £850,000 1
2007 £760,000 7
2006 £431,250 8
2005 £300,000 4
2004 £565,000 4
2003 £671,250 4
2002 £475,000 7
2001 £470,000 7
2000 (few sales) £310,000 1
1999 (few sales) £240,000 2
1998 £380,000 3
1997 £217,500 4
1996 (few sales) £185,000 2

Sale history (91 records · 26 homes sold more than once)

Address Price
FLAT 66, 15, PORTMAN SQUARE
7 Oct 2025 · Flat / maisonette · Leasehold
Previously £2,000,000 (Feb 2021) · +35%
£2,700,000
FLAT 54, 15, PORTMAN SQUARE
11 Jul 2025 · Flat / maisonette · Leasehold
Previously £1,320,000 (Oct 2009) · +59%
£2,100,000
FLAT 1, 15, PORTMAN SQUARE Cat B
24 Feb 2025 · Other · Leasehold
Previously £120,000 (Mar 2005)
£25,000
FLAT 41, 15, PORTMAN SQUARE Cat B
23 Nov 2023 · Flat / maisonette · Leasehold
£975,000
FLAT 3, 15, PORTMAN SQUARE
13 Oct 2023 · Flat / maisonette · Leasehold
Previously £385,000 (Jun 2012) · +17%
£450,000
FLAT 16, 15, PORTMAN SQUARE Cat B
14 Aug 2023 · Flat / maisonette · Leasehold
Previously £1,000,000 (Sep 2006)
£2,715,000
FLAT 26, 15, PORTMAN SQUARE
21 Jul 2023 · Flat / maisonette · Leasehold
Previously £700,000 (Jan 2018) · +179%
£1,950,000
FLAT 30, 15, PORTMAN SQUARE
19 Jan 2023 · Flat / maisonette · Leasehold
Previously £850,000 (Feb 2008) · +199%
£2,545,000
FLAT 29, 15, PORTMAN SQUARE
22 Jul 2022 · Flat / maisonette · Leasehold
Previously £1,025,000 (Nov 2010) · +110%
£2,150,000
FLAT 37, 15, PORTMAN SQUARE
1 Jul 2022 · Flat / maisonette · Leasehold
£2,000,000
FLAT 66, 15, PORTMAN SQUARE
26 Feb 2021 · Flat / maisonette · Leasehold
Previously £420,000 (Mar 1998) · +376%
£2,000,000
FLAT 27, 15, PORTMAN SQUARE
15 Jan 2021 · Flat / maisonette · Leasehold
Previously £950,000 (Jan 2001) · +268%
£3,500,000
FLAT 19, 15, PORTMAN SQUARE
16 Jul 2020 · Flat / maisonette · Leasehold
Previously £3,015,000 (Jun 2018) · +4%
£3,150,000
FLAT 19, 15, PORTMAN SQUARE
15 Jun 2018 · Flat / maisonette · Leasehold
Previously £759,017 (Oct 2001) · +297%
£3,015,000
FLAT 35, 15, PORTMAN SQUARE
1 Feb 2018 · Flat / maisonette · Leasehold
Previously £1,500,000 (Aug 2016)
£2,252,056
FLAT 26, 15, PORTMAN SQUARE
18 Jan 2018 · Flat / maisonette · Leasehold
£700,000
FLAT 47, 15, PORTMAN SQUARE
16 Oct 2017 · Flat / maisonette · Leasehold
Previously £900,000 (Nov 2010) · +133%
£2,100,000
FLAT 56, 15, PORTMAN SQUARE
31 Jul 2017 · Flat / maisonette · Leasehold
£1,385,000
FLAT 35, 15, PORTMAN SQUARE Cat B
5 Aug 2016 · Flat / maisonette · Leasehold
£1,500,000
FLAT 49, 15, PORTMAN SQUARE
15 Jul 2016 · Flat / maisonette · Leasehold
£2,100,000
FLAT 42, 15, PORTMAN SQUARE
15 May 2015 · Flat / maisonette · Leasehold
£2,000,000
FLAT 33, 15, PORTMAN SQUARE
12 Mar 2015 · Flat / maisonette · Leasehold
£1,820,000
FLAT 51, 15, PORTMAN SQUARE
17 Oct 2013 · Flat / maisonette · Leasehold
Previously £3,200,000 (Apr 2011) · +64%
£5,250,000
FLAT 6, 15, PORTMAN SQUARE
18 Sep 2013 · Flat / maisonette · Leasehold
Previously £500,000 (Aug 2011) · +95%
£975,000
FLAT 31, 15, PORTMAN SQUARE
6 Sep 2013 · Flat / maisonette · Leasehold
Previously £980,000 (Mar 2009) · +94%
£1,900,000
FLAT 3, 15, PORTMAN SQUARE
6 Jun 2012 · Flat / maisonette · Leasehold
Previously £275,000 (Mar 2010) · +40%
£385,000
FLAT 6, 15, PORTMAN SQUARE
2 Aug 2011 · Flat / maisonette · Leasehold
Previously £335,000 (Jun 2006) · +49%
£500,000
FLAT 51, 15, PORTMAN SQUARE
4 Apr 2011 · Flat / maisonette · Leasehold
Previously £950,000 (Jun 2003) · +237%
£3,200,000
FLAT 23, 15, PORTMAN SQUARE
17 Feb 2011 · Flat / maisonette · Leasehold
Previously £1,405,555 (Dec 2007) · −13%
£1,220,000
FLAT 47, 15, PORTMAN SQUARE
19 Nov 2010 · Flat / maisonette · Leasehold
Previously £105,000 (Mar 2001) · +757%
£900,000
FLAT 29, 15, PORTMAN SQUARE
19 Nov 2010 · Flat / maisonette · Leasehold
Previously £575,000 (Dec 2004) · +78%
£1,025,000
FLAT 3, 15, PORTMAN SQUARE
31 Mar 2010 · Flat / maisonette · Leasehold
£275,000
FLAT 38, 15, PORTMAN SQUARE
23 Mar 2010 · Flat / maisonette · Leasehold
Previously £462,500 (Jun 2006) · +116%
£1,000,000
FLAT 9, 15, PORTMAN SQUARE
19 Mar 2010 · Flat / maisonette · Leasehold
Previously £270,000 (Oct 2006) · +56%
£420,000
FLAT 11, 15, PORTMAN SQUARE
16 Nov 2009 · Flat / maisonette · Leasehold
Previously £695,000 (Nov 2007) · 0%
£695,000
FLAT 54, 15, PORTMAN SQUARE
30 Oct 2009 · Flat / maisonette · Leasehold
Previously £905,000 (Jun 2007) · +46%
£1,320,000
FLAT 31, 15, PORTMAN SQUARE
31 Mar 2009 · Flat / maisonette · Leasehold
Previously £940,000 (Apr 2006) · +4%
£980,000
FLAT 30, 15, PORTMAN SQUARE
1 Feb 2008 · Flat / maisonette · Leasehold
Previously £400,000 (Nov 2005) · +113%
£850,000
FLAT 23, 15, PORTMAN SQUARE
7 Dec 2007 · Flat / maisonette · Leasehold
Previously £760,000 (Jan 2007) · +85%
£1,405,555
FLAT 11, 15, PORTMAN SQUARE
5 Nov 2007 · Flat / maisonette · Leasehold
Previously £578,000 (Mar 2007) · +20%
£695,000
FLAT 44, 15, PORTMAN SQUARE
25 Aug 2007 · Flat / maisonette · Leasehold
Previously £285,000 (Apr 2001) · +172%
£775,000
FLAT 54, 15, PORTMAN SQUARE
19 Jun 2007 · Flat / maisonette · Leasehold
£905,000
FLAT 11, 15, PORTMAN SQUARE
27 Mar 2007 · Flat / maisonette · Leasehold
Previously £415,000 (Aug 2002) · +39%
£578,000
FLAT 59, 15, PORTMAN SQUARE
23 Mar 2007 · Flat / maisonette · Leasehold
£740,000
FLAT 23, 15, PORTMAN SQUARE
2 Jan 2007 · Flat / maisonette · Leasehold
Previously £695,000 (Nov 2004) · +9%
£760,000
FLAT 14, 15, PORTMAN SQUARE
8 Dec 2006 · Flat / maisonette · Leasehold
£400,000
FLAT 9, 15, PORTMAN SQUARE
17 Oct 2006 · Flat / maisonette · Leasehold
Previously £200,000 (Jul 2005) · +35%
£270,000
PENTHOUSE E, 15, PORTMAN SQUARE
4 Oct 2006 · Flat / maisonette · Leasehold
£1,150,000
FLAT 16, 15, PORTMAN SQUARE
29 Sep 2006 · Flat / maisonette · Leasehold
Previously £200,000 (Sep 1996) · +400%
£1,000,000
FLAT 2, 15, PORTMAN SQUARE
7 Sep 2006 · Flat / maisonette · Leasehold
£180,000

Cat B An additional Price Paid entry (category B): a repossession, a buy-to-let with an identifiable mortgage, a purchase by a company or other non-private buyer, or a sale of another kind of property. Left out of every average.