3Y Avg Price
£1,600,000
2 sales
Properties
6
Sales / Year
0.4
5-year average
Avg £/sq ft
£1,425
£15,336/m²
Rank in W1U
23rd
of 36 streets
Last Sale
£2,400,000
May 2025
Price History
Every recorded sale on this street, coloured by property type.
Last 10 Sales
13 total recorded
FLAT 8C, PORTMAN MANSIONS Porter Street
Flat/Maisonette
£2,400,000
May 2025
FLAT 8G, PORTMAN MANSIONS Porter Street
Flat/Maisonette
£800,000
Sept 2024
FLAT 8G, PORTMAN MANSIONS Porter Street
Flat/Maisonette
£599,000
Jun 2013
FLAT 8F, PORTMAN MANSIONS Porter Street
Flat/Maisonette
£750,000
Mar 2012
FLAT 8C, PORTMAN MANSIONS Porter Street
Flat/Maisonette
£1,566,500
Aug 2010
FLAT 8F, PORTMAN MANSIONS Porter Street
Flat/Maisonette
£499,950
Dec 2006
FLAT 8G, PORTMAN MANSIONS Porter Street
Flat/Maisonette
£310,000
Jan 2006
FLAT 8C, PORTMAN MANSIONS Porter Street
Flat/Maisonette
£850,000
Jul 2003
FLAT 8C, PORTMAN MANSIONS Porter Street
Flat/Maisonette
£605,000
Jul 2002
FLAT 8H, PORTMAN MANSIONS Porter Street
Flat/Maisonette
£169,950
Aug 1998
Street Rankings — W1U
Streets ranked by 3-year average sale price. Showing positions 19–28 of 36.
| # | Street | 3Y Avg |
|---|---|---|
| 19 | Thayer Street | £1,759,500 |
| 20 | Baker Street | £1,694,618 |
| 21 | Rodmarton Street | £1,681,667 |
| 22 | Gloucester Place Mews | £1,636,714 |
| 23 | Porter Street | £1,600,000 |
| 24 | Nottingham Place | £1,560,929 |
| 25 | Montagu Mansions | £1,505,781 |
| 26 | Aldburgh Mews | £1,480,000 |
| 27 | Blandford Street | £1,343,667 |
| 28 | Cross Keys Close | £1,280,000 |
Property Mix
Type
Tenure
EPC Ratings
6 of 6 properties have an EPC record
Avg floor area: 1,410 sq ft (131 m²)
District Context — W1U
W1U covers central London's Mayfair and surrounding areas in Westminster, positioned at the heart of London's West End. It is one of the UK's most prestigious and expensive residential postcodes, characterised by grand period properties, luxury apartments, and strong international appeal.
Average Property Price - W1U
£2,271,806
100
National percentile
Average Net Household Income - W1U
£73,341
100
National percentile
10-Year Annualised Price Growth - W1U
5.4%
93
National percentile
10-Year Annualised Rent Growth - W1U
2.8%
2
National percentile