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
9. Cross Lane, Treales
Average price: GBP 745,000
10. Stoney Lane, Goosnargh
Average price: GBP 732,000
11. Stirzaker Hall Drive, Catterall
Average price: GBP 728,000
12. Potter Lane, Higher Walton
Average price: GBP 719,000