These are the 15 most expensive streets according to their 'Z rating', which is based on the average property value based on current Zoopla estimates
1. Vicarage Lane, Churchtown
Average price: GBP 1,433,000
2. Carr Lane, Warton
Average price: GBP 1,233,000
3. Westby Mills, Preston
Average price: GBP 881,000
4. Dodd Lane, Thornley
Average price: GBP 869,000