Marylebone · sold prices
Portman Square sold prices
The registered record for Portman Square runs to 3 sales, and the middle of that range is £2.10m. Prices have ranged from £25,000 to £2.70m, so an asking price only makes sense once you have seen the specific floor, aspect and state of repair. 67% of what sold was flats, and 3 of the last 3 were leasehold — worth checking the term before you offer. The most recent registered sale went through on 7 Oct 2025.
- Registered sales
- 3
- Median
- £2.10m
- Lowest
- £25,000
- Highest
- £2.70m
Price history
Every registered sale
| Address | Date | Type | Tenure | Price paid |
|---|---|---|---|---|
| 15 Portman SquareW1H 6LJ | 7 Oct 2025 | flat | leasehold | £2.70m |
| 15 Portman SquareW1H 6LJ | 11 Jul 2025 | flat | leasehold | £2.10m |
| 15 Portman SquareW1H 6LJ | 24 Feb 2025 | other | leasehold | £25,000 |
Source: HM Land Registry Price Paid Data, latest registered sale 7 Oct 2025. Contains HM Land Registry data © Crown copyright and database right 2026, licensed under the Open Government Licence v3.0.
Last registered transaction: 7 Oct 2025. For the wider picture see Marylebone house prices or the Portman Square street guide.