3Y Avg Price
£2,112,857
7 sales
Properties
131
Sales / Year
2.8
5-year average
Avg £/sq ft
£2,160
£23,249/m²
Rank in W1H
9th
of 41 streets
Last Sale
£2,700,000
Oct 2025
Price History
Every recorded sale on this street, coloured by property type.
Last 10 Sales
269 total recorded
FLAT 66, 15 Portman Square
Flat/Maisonette
£2,700,000
Oct 2025
FLAT 54, 15 Portman Square
Flat/Maisonette
£2,100,000
Jul 2025
FLAT 68, 15 Portman Square
Flat/Maisonette
£2,000,000
Jun 2024
FLAT 63, FITZHARDINGE HOUSE Portman Square
Flat/Maisonette
£5,000,000
Apr 2024
FLAT 89, 15 Portman Square
Flat/Maisonette
£1,340,000
Dec 2023
FLAT 96, 15 Portman Square
Flat/Maisonette
£1,200,000
Nov 2023
FLAT 3, 15 Portman Square
Flat/Maisonette
£450,000
Oct 2023
FLAT 26, 15 Portman Square
Flat/Maisonette
£1,950,000
Jul 2023
FLAT 30, 15 Portman Square
Flat/Maisonette
£2,545,000
Jan 2023
FLAT 29, 15 Portman Square
Flat/Maisonette
£2,150,000
Jul 2022
Street Rankings — W1H
Streets ranked by 3-year average sale price. Showing positions 5–14 of 41.
| # | Street | 3Y Avg |
|---|---|---|
| 5 | Salisbury Place | £3,002,631 |
| 6 | Bryanston Square | £2,473,750 |
| 7 | Montagu Square | £2,408,856 |
| 8 | George Street | £2,356,294 |
| 9 | Portman Square | £2,112,857 |
| 10 | Molyneux Street | £2,106,488 |
| 11 | Enford Street | £2,072,323 |
| 12 | Bryanston Mews West | £2,056,250 |
| 13 | Shouldham Street | £2,050,000 |
| 14 | Brown Street | £1,750,000 |
Property Mix
Type
Tenure
EPC Ratings
131 of 131 properties have an EPC record
Avg floor area: 1,227 sq ft (114 m²)
District Context — W1H
W1H covers central London, encompassing parts of Mayfair and surrounding areas in Westminster's most prestigious neighbourhoods. It is characterised by ultra-prime residential property, global wealth concentration, and some of London's most sought-after addresses.
Average Property Price - W1H
£1,546,725
99
National percentile
Average Net Household Income - W1H
£67,286
100
National percentile
10-Year Annualised Price Growth - W1H
-0.7%
2
National percentile
10-Year Annualised Rent Growth - W1H
2.8%
2
National percentile