The latest Halifax survey reveals most expensive residential streets in England and Wales based on property sale transactions made from 2004 to 2008.

The most expensive residential street in Britain is The Vale in Kensington and Chelsea, London SW3.

Rank Street Name Area Region Pcode Average House Price £ (2004-2008)
1. The Vale Kensington and Chelsea London SW3 4,677,500
2. Ingram Avenue Barnet London NW11 4,465,000
3. Cottesmore Gardens Kensington and Chelsea London W8 4,288,125
4. Wycombe Square Kensington and Chelsea London W8 4,205,192
5. Panorama Road Poole SW BH13 4,158,333
6. Chester Square Westminster London SW1 3,841,666
7. Cornwall Gardens Kensington and Chelsea London SW7 3,625,000
8. Cedar Park Gardens Merton London SW19 3,609,285
9. Cadogan Place Kensington and Chelsea London SW1 3,558,333
10. South Eaton Place Westminster London SW1 3,553,333
11. Clarendon Road Kensington and Chelsea London W11 3,455,833
12. Drayton Gardens Kensington and Chelsea London SW10 3,435,428
13. Stormont Road Haringey London N6 3,375,277
14. Mallord Street Kensington and Chelsea London SW3 3,300,000
15. Bedford Gardens Kensington and Chelsea London W8 2,999,937
16. Paultons Square Kensington and Chelsea London SW3 2,984,166
17. Walton Place Kensington and Chelsea London SW3 2,981,428
18. Portland Road Kensington and Chelsea London W1 2,979,751
19. Sloane Gardens Kensington and Chelsea London SW1 2,958,714
20. Lower Belgrave Street Westminster London SW1 2,905,841
21. Scarsdale Villas Kensington and Chelsea London W8 2,895,833
22. Herbert Crescent Kensington and Chelsea London SW1 2,850,000
23. Trevor Square Westminster London SW7 2,806,470
24. East Road Weybridge SE KT13 2,805,000
25. Parkside Merton London SW19 2,803,500
26 Thornwood Gardens Kensington and Chelsea London W8 2,775,366
27. Kings Warren Leatherhead SE KT22 2,771,428
28. Elm Park Road Kensington and Chelsea London SW3 2,729,916
29. Cambridge Gate Camden London NW1 2,657,857
30. Pembridge Place Kensington and Chelsea London W2 2,651,480
31. Home Park Road Merton London SW19 2,637,502
32. The Drive Kingston upon Thames SE KT2 2,634,166
33. Phillippines Shaw Sevenoaks SE TN14 2,630,888
34. Davies Street Westminster London W1 2,607,307
35. Pearce Avenue Poole SW BH14 2,600,000
36. Moles Hill Leatherhead SE KT22 2,595,200
37. Hans Place Kensington and Chelsea London SW1 2,559,207
38. Markham Square Kensington and Chelsea London SW3 2,557,290
39. West Road Surrey SE KT13 2,555,000
40. Fulham Road Kensington and Chelsea London SW3 2,543,750
41. Brunswick Gardens Kensington and Chelsea London W8 2,533,975
42. Imperial Wharf Hammersmith and Fulham London SW6 2,525,416
43. Birds Hill Drive Leatherhead SE KT22 2,524,285
44. South Road Weybridge SE KT13 2,493,571
45. Bramerton Street Kensington and Chelsea London SW3 2,456,625
46. Duchess Of Bedfords Walk Kensington and Chelsea London W8 2,402,781
47. Routh Road Wandsworth London SW18 2,387,583
48. Esher Park Avenue Esher SE KT10 2,385,000
49. Palace Gardens Terrace Kensington and Chelsea London W8 2,325,416
50. Hereford Square Kensington and Chelsea London SW7 2,317,888

This was the least expensive rental I found available in The Vale, from Primelocation.com. 1-bed flat for £450 per week, offered by Chard.

The most expensive one was a 5-bedroom house. Offered by WA Ellis.