WHAT AND WHY LLP Company number OC396110 · Monitor this company Active Overview People 3 Financial Control Documents Analysis Location Related Registered office AddressSPENCER-DAVIS & CO, 4-6 Peterborough Road Peterborough Road, Harrow, England, HA1 2BQ PostcodeHA1 2BQ Companies at this postcode 314 Average house price in HA1 2BQ £566,000 (8 sales) Map