The number of sub-location codes in use in each billing authority in Greater London is provided in the following table. Further analysis would not be possible except at disproportionate cost.
Billing authority 2005 rating lists Barking and Dagenham 466 Barnet 812 Bexley 263 Brent 953 Bromley 330 Camden 980 City of London 2,357 Croydon 474 Ealing 722 Enfield 654 Greenwich 275 Hackney 1,114 Hammersmith and Fulham 1,251 Haringey 638 Harrow 839 Havering 593 Hillingdon 1,200 Hounslow 810 Islington 1,365 Kensington and Chelsea 1,322 Kingston upon Thames 213 Lambeth 349 Lewisham 212 Merton 220 Newham 449 Redbridge 787 Richmond upon Thames 205 Southwark 386 Sutton 343 Tower Hamlets 759 Waltham Forest 817 Wandsworth 329 Westminster 5,869 Total 28,356