1911 Census of England and Wales, General Report with Appendices, Table 79: " Metropolitan Boroughs having the highest proportions of Tenements of Certain Sizes".

Tenements of less than 4 rooms. Tenements with 4 to 6 rooms. Tenements of over 6 rooms.
Metropolitan
Borough.
Proportion
of 1,000
Tenements.
Metropolitan
Borough.
Proportion
of 1,000
Tenements.
Metropolitan
Borough.
Proportion
of 1,000
Tenements.
Finsbury 808 Woowich 572 Hampstead 405
Holborn 758 Lewisham 479 Kensington 298
Shoreditch 736 Wandsworth 459 Lewisham 289
St. Pancras 714 Greenwich 440 Wandsworth 246
Southwark 711 Battersea 415 Stoke Newington 221
Bethnal Green 705 Deptford 411 Chelsea 193