Sold price history
Grosvenor Square, Southampton house prices
The typical home in Grosvenor Square, Southampton last sold for £189,950, based on the official HM Land Registry record. Over the past decade prices are −9% in cash — but −35% once inflation is stripped out.
- Median sold price
- £189,950
- 10 years · cash
- −9%
- 10 years · real
- −35%
HM Land Registry · 112 sales ·
85 with floor area ·
Updated 21 Jan 2026
Key facts
Median price
£189,950
Price per m²
£2,222
Sales recorded
112
Price range
£51,950 – £1,098,700
Grosvenor Square, Southampton prices since 1995
Cash price
Today’s money (real)
Grosvenor Square, Southampton homes moved −9% in cash across ten years — −35% in today's money.
Recent sales in Grosvenor Square, Southampton
The most recent homes sold here, straight from the HM Land Registry record.
| Date | Address | Type | Price | £/m² |
|---|---|---|---|---|
| 21 Jan 2026 | Flat 10, Osborne House Grosvenor Square · SO15 2DA | Flat Leasehold | £270,000 | £3,333 |
| 19 Dec 2025 | Flat 23, Osborne House Grosvenor Square · SO15 2DA | Flat Leasehold | £283,000 | £3,216 |
| 17 Oct 2025 | Flat 28, Osborne House Grosvenor Square · SO15 2DA | Flat Leasehold | £250,000 | £2,747 |
| 8 Jul 2025 | Flat 41, Osborne House Grosvenor Square · SO15 2DA | Flat Leasehold | £200,000 | £4,444 |
| 11 Oct 2024 | Flat 16, Osborne House Grosvenor Square · SO15 2DA | Flat Leasehold | £325,000 | £3,155 |
| 28 Jun 2024 | Flat 19, Osborne House Grosvenor Square · SO15 2DA | Flat Leasehold | £285,000 | £3,239 |
| 30 Apr 2024 | Flat 13, Osborne House Grosvenor Square · SO15 2DA | Flat Leasehold | £275,000 | £2,806 |
| 26 May 2023 | Flat 7, Osborne House Grosvenor Square · SO15 2DA | Flat Leasehold | £292,500 | £2,955 |
| 3 Mar 2023 | Flat 35, Osborne House Grosvenor Square · SO15 2DA | Flat Leasehold | £250,000 | £2,475 |
| 8 Jul 2022 | Flat 41, Osborne House Grosvenor Square · SO15 2DA | Flat Leasehold | £184,000 | £4,089 |
| 27 May 2022 | Flat 8, Osborne House Grosvenor Square · SO15 2DA | Flat Leasehold | £285,000 | £2,740 |
| 19 Feb 2022 | Flat 2, Regency House, 3 Grosvenor Square · SO15 2BE | Flat Leasehold | £218,500 | £3,035 |
| 15 Dec 2021 | Flat 5, Osborne House Grosvenor Square · SO15 2DA | Flat Leasehold | £315,000 | £2,739 |
| 7 Sep 2021 | Flat 37, Osborne House Grosvenor Square · SO15 2DA | Flat Leasehold | £262,500 | £3,596 |
| 15 Apr 2021 | Flat 2, Grosvenor Mansions Grosvenor Square · SO15 2GQ | Flat Leasehold | £138,000 | £1,816 |
| 28 Jul 2020 | Flat 8, Osborne House Grosvenor Square · SO15 2DA | Flat Leasehold | £222,500 | £2,139 |
| 16 Dec 2019 | Flat 36, Osborne House Grosvenor Square · SO15 2DA | Flat Leasehold | £235,000 | £2,474 |
| 1 Nov 2019 | Flat 9, Osborne House Grosvenor Square · SO15 2DA | Flat Leasehold | £248,000 | £2,557 |
| 19 Jul 2019 | Flat 3, Grosvenor Mansions Grosvenor Square · SO15 2GQ | Flat Leasehold | £174,000 | £2,047 |
| 30 Apr 2019 | Flat 33, Osborne House Grosvenor Square · SO15 2DA | Flat Leasehold | £240,000 | £2,824 |
| 12 Apr 2019 | Flat 17, Osborne House Grosvenor Square · SO15 2DA | Flat Leasehold | £280,000 | — |
| 5 Apr 2019 | Flat 20, Osborne House Grosvenor Square · SO15 2DA | Flat Leasehold | £252,000 | £2,930 |
| 28 Mar 2019 | Flat 11, Osborne House Grosvenor Square · SO15 2DA | Flat Leasehold | £110,000 | — |
| 5 Oct 2018 | Flat 2, Regency House, 3 Grosvenor Square · SO15 2BE | Flat Leasehold | £218,000 | £3,028 |
| 13 Jul 2018 | Flat 3, Regency House, 3 Grosvenor Square · SO15 2BE | Flat Leasehold | £260,000 | — |
| 31 May 2018 | Flat 7, Regency House, 3 Grosvenor Square · SO15 2BE | Flat Leasehold | £149,000 | £3,921 |
| 29 Mar 2018 | Flat 1, Regency House, 3 Grosvenor Square · SO15 2BE | Flat Leasehold | £230,000 | £3,433 |
| 29 Mar 2018 | Flat 8, Regency House, 3 Grosvenor Square · SO15 2BE | Flat Leasehold | £210,000 | £3,818 |
| 29 Mar 2018 | Flat 5, Regency House, 3 Grosvenor Square · SO15 2BE | Flat Leasehold | £175,000 | — |
| 29 Mar 2018 | Flat 4, Regency House, 3 Grosvenor Square · SO15 2BE | Flat Leasehold | £170,000 | £3,333 |
Category A (standard) sales. £/m² shown where an EPC floor-area match exists.
Biggest price gains in Grosvenor Square, Southampton
Homes that have changed hands more than once, ranked by their annual return — in cash and, where we have the inflation data, after adjusting for it.
| Address | First sold | Last sold | Times | Cash return | Real return |
|---|---|---|---|---|---|
| Osborne House Flat 8, Grosvenor Square | £222,500 28 Jul 2020 | £285,000 27 May 2022 | 2 | +14% per year | +8% inflation-adjusted |
| Grosvenor Mansions Flat 7, Grosvenor Square | £87,500 14 Jul 2000 | £202,000 16 Feb 2007 | 2 | +14% per year | +11% inflation-adjusted |
| Osborne House Flat 32, Grosvenor Square | £125,000 20 Mar 1998 | £205,000 12 Apr 2002 | 3 | +13% per year | +11% inflation-adjusted |
| Osborne House Flat 34, Grosvenor Square | £77,000 29 Jul 1996 | £189,950 31 Mar 2004 | 3 | +12% per year | +10% inflation-adjusted |
| Osborne House Flat 6, Grosvenor Square | £86,000 26 Mar 1997 | £200,000 8 Dec 2005 | 2 | +10% per year | +8% inflation-adjusted |
| Osborne House Flat 27, Grosvenor Square | £92,500 19 Dec 1997 | £222,500 17 Jul 2007 | 3 | +10% per year | +7% inflation-adjusted |
| Osborne House Flat 38, Grosvenor Square | £107,000 20 Aug 1999 | £213,000 27 Jul 2007 | 5 | +9% per year | +7% inflation-adjusted |
| Osborne House Flat 31, Grosvenor Square | £89,000 8 May 1997 | £215,000 16 Jul 2007 | 3 | +9% per year | +7% inflation-adjusted |
| Grosvenor Mansions Flat 5, Grosvenor Square | £56,000 21 Jun 1995 | £185,000 6 Nov 2009 | 4 | +9% per year | +6% inflation-adjusted |
| Osborne House Flat 22, Grosvenor Square | £75,000 12 Jun 1995 | £85,000 16 Jan 1997 | 2 | +8% per year | +5% inflation-adjusted |
| Osborne House Flat 24, Grosvenor Square | £145,000 28 Sep 2001 | £192,500 15 Mar 2006 | 4 | +7% per year | +4% inflation-adjusted |
| Osborne House Flat 23, Grosvenor Square | £70,000 11 Jul 1997 | £283,000 19 Dec 2025 | 5 | +5% per year | +2% inflation-adjusted |
| Osborne House Flat 26, Grosvenor Square | £85,500 6 Jun 1997 | £220,000 20 Dec 2017 | 2 | +5% per year | +2% inflation-adjusted |
| Osborne House Flat 41, Grosvenor Square | £62,000 16 Jul 1999 | £200,000 8 Jul 2025 | 6 | +5% per year | +2% inflation-adjusted |
| Grosvenor Mansions Flat 8, Grosvenor Square | £103,750 6 Aug 2001 | £177,000 25 Oct 2013 | 3 | +4% per year | +2% inflation-adjusted |
| Osborne House Flat 37, Grosvenor Square | £84,000 23 Feb 1995 | £262,500 7 Sep 2021 | 2 | +4% per year | +2% inflation-adjusted |
| Osborne House Flat 7, Grosvenor Square | £100,000 5 Dec 1997 | £292,500 26 May 2023 | 3 | +4% per year | +2% inflation-adjusted |
| Osborne House Flat 19, Grosvenor Square | £94,950 9 Apr 1998 | £285,000 28 Jun 2024 | 2 | +4% per year | +2% inflation-adjusted |
| Osborne House Flat 13, Grosvenor Square | £90,000 25 Apr 1996 | £275,000 30 Apr 2024 | 3 | +4% per year | +1% inflation-adjusted |
| Osborne House Flat 28, Grosvenor Square | £83,000 10 Feb 1995 | £250,000 17 Oct 2025 | 5 | +4% per year | +1% inflation-adjusted |
| Osborne House Flat 16, Grosvenor Square | £145,000 29 Jun 2001 | £325,000 11 Oct 2024 | 4 | +4% per year | +1% inflation-adjusted |
| Osborne House Flat 36, Grosvenor Square | £120,000 17 Mar 2000 | £235,000 16 Dec 2019 | 5 | +3% per year | +1% inflation-adjusted |
| Osborne House Flat 17, Grosvenor Square | £163,000 29 Apr 2002 | £280,000 12 Apr 2019 | 3 | +3% per year | +1% inflation-adjusted |
| Osborne House Flat 25, Grosvenor Square | £195,000 27 Apr 2011 | £222,500 16 Oct 2015 | 2 | +3% per year | +1% inflation-adjusted |
| Osborne House Flat 5, Grosvenor Square | £174,500 24 Jan 2001 | £315,000 15 Dec 2021 | 4 | +3% per year | +1% inflation-adjusted |
| Osborne House Flat 20, Grosvenor Square | £212,000 10 Sep 2010 | £252,000 5 Apr 2019 | 2 | +2% per year | 0% inflation-adjusted |
| Osborne House Flat 11, Grosvenor Square | £69,000 6 Oct 1995 | £110,000 28 Mar 2019 | 2 | +2% per year | 0% inflation-adjusted |
| Osborne House Flat 10, Grosvenor Square | £233,000 22 Mar 2017 | £270,000 21 Jan 2026 | 2 | +2% per year | −2% inflation-adjusted |
| Regency House, 3 Flat 2, Grosvenor Square | £218,000 5 Oct 2018 | £218,500 19 Feb 2022 | 2 | 0% per year | −4% inflation-adjusted |
Category A (standard) sales that changed hands at least twice. Real return adjusts for inflation using ONS CPIH where available.
How Grosvenor Square, Southampton compares
Rank in the town
1985th of 4,114 streets in Southampton
Rank in the postcode district
88th of 270 streets in SO15
Against the town median
15% above the Southampton median of £165,000
Against England & Wales
21% above the national median of £157,000
Grosvenor Square, Southampton house prices — your questions
What is the average house price in Grosvenor Square, Southampton?
The median sold price in Grosvenor Square, Southampton is £189,950, based on 112 recorded sales from HM Land Registry.
What is the price range of homes sold in Grosvenor Square, Southampton?
Recorded sales in Grosvenor Square, Southampton range from £51,950 to £1,098,700. The range includes flats and large detached homes alike.
Have house prices in Grosvenor Square, Southampton risen?
Over the past decade prices in Grosvenor Square, Southampton are −9% in cash terms but −35% once adjusted for inflation using ONS CPIH — the gap between the two is the real story.
How much is a house per square metre in Grosvenor Square, Southampton?
In Grosvenor Square, Southampton the median price is £2,222 per square metre, from 85 sales matched to an EPC floor-area record.
How up to date is this data?
HM Land Registry publishes Price Paid Data monthly. The most recent sale recorded in Grosvenor Square, Southampton was 21 January 2026.
Popular places
yearly change, HM Land RegistryLondon▼ 8%£285,000median · past year downManchester▲ 0%£118,000median · past year upBirmingham▲ 2%£120,000median · past year upLeeds▼ 2%£126,500median · past year downBristol▲ 1%£179,995median · past year upLiverpool▲ 0%£105,000median · past year upSheffield▼ 3%£118,000median · past year downNottingham▼ 2%£123,500median · past year down
Contains HM Land Registry data © Crown copyright and database right, licensed under the Open Government Licence v3.0. See our methodology.