1. Kensington Palace Gardens, W8 £4,000 to £5,000 per sq ft
2. The Boltons, SW10 £3,500 to £5,000 per sq ft
3. Lowndes Sq, SW1 £3,500 to £4,000 per sq ft
4. Belgrave Square, SW1 £3,500 to £4,000 per sq ft
5. Eaton Square, SW1 £3,500 to £4,000 per sq ft
6. Upper Phillimore Gardens, W8 £3,000 to £3,500 per sq ft
7. Wilton Crescent, SW1 £3,000 to £3,500 per sq ft
8. Chesham place, SW1 £3,000 to £3,500 per sq ft
9. Egerton Crescent/Terrace, SW3 £3,000 per sq ft
10. Holland Park, W11 £2,500 to £3,500 per sq ft
11. Avenue Road, NW8 £2,750 to 3,000 per sq ft
12. Cadogan Square, SW1 £2,500 to £3,000 per sq ft
13. Cheyne Walk, SW3 £2,500 to £3,000 per sq ft
14. Addison Gardens, W14 £2,500 to £3,000 per sq ft
15. Hanover Terrace, NW1 £2,000 per sq ft