£17,950,000

Added on 19/01/2026
A grand double fronted townhouse in the heart of the Mayfair Village, Balfour House is arguably the best house in Mayfair. With beautiful proportioned accommodation, triple aspect windows to the south, east and west, a lift to every floor and large roof terrace, the house retains the feel of a comfortable family home whilst being totally unique.
£5,089 per sq ft — above 9 in 10 recent sales in W1K (£1,723–£4,685, 10th–90th percentile, 42 sales over 24 months).
Lowest and highest are the 10th and 90th percentiles of 42 homes sold in W1K over the last 24 months. This home's figure uses its asking price. All sold £/sq ft in W1K →
Balfour Place, Mayfair, London, W1K, W1K 2AR
HM Land Registry sales on Balfour Place — none recorded yet for W1K 2AR. Floor areas from Energy Performance Certificates where matched.
| Address | Type | Sold | Size | Size | £/sq ft | Price |
|---|---|---|---|---|---|---|
| Flat L, 3 - 4, Balfour Place W1K 2AT Flat / maisonette | Flat / maisonette | Nov 2025 | 1,001 sq ft £3,147/sq ft | 1,001 sq ft | £3,147 | £3,150,000 |
| Flat B, 3 - 4, Balfour Place W1K 2AT Flat / maisonette | Flat / maisonette | Jan 2025 | 1,001 sq ft £2,622/sq ft | 1,001 sq ft | £2,622 | £2,625,000 |
| Flat D, 3 - 4, Balfour Place W1K 2AT Flat / maisonette | Flat / maisonette | Dec 2024 | 1,001 sq ft £3,197/sq ft | 1,001 sq ft | £3,197 | £3,200,000 |
| Flat D, 3 - 4, Balfour Place W1K 2AT Flat / maisonette | Flat / maisonette | Nov 2020 | 1,001 sq ft £982/sq ft | 1,001 sq ft | £982 | £983,000 |
| Flat B, 3 - 4, Balfour Place W1K 2AT Flat / maisonette | Flat / maisonette | Dec 2019 | 1,001 sq ft £2,193/sq ft | 1,001 sq ft | £2,193 | £2,195,000 |
| Flat D, 3 - 4, Balfour Place W1K 2AT Flat / maisonette | Flat / maisonette | May 2019 | 1,001 sq ft £1,084/sq ft | 1,001 sq ft | £1,084 | £1,085,000 |
| Flat 1, 5, Balfour Place W1K 2AU Flat / maisonette | Flat / maisonette | Jun 2015 | 947 sq ft £1,478/sq ft | 947 sq ft | £1,478 | £1,400,000 |
| Flat E, 3 - 4, Balfour Place W1K 2AT Flat / maisonette | Flat / maisonette | Jun 2015 | 1,001 sq ft £1,498/sq ft | 1,001 sq ft | £1,498 | £1,500,000 |
All sales on Balfour Place → All sold prices in Westminster →
The neighbourhood around this property.
