12 Tones of London

London's demographics explored by processing 2011 Census data with a statistical sorting method called cluster analysis. Attention is then focused on the sounds of the 12 archetypal council wards emerging from the study.

Cluster 12

Highest for Bangladeshi population, and purpose-built flats. Second highest for long-term unemployed, population density, Chinese population, non-domestic buildings as a proportion of land area, social housing and privately-rented housing. Lowest for average age, Other Asian population, domestic gardens as a proportion of land area, detached and semi-detached houses, and outright ownership of homes. Second lowest for Indian and Pakistani populations, terraced houses, and mortgages.


Mean age: 31.1.

Main occupation groups – Professional: 24.5%. Technical: 19.7%. Elementary: 10.4%. Directors/senior officials: 10.2%. Administrative: 10%.

Long-term unemployed: 4.4%.

Main ethnic groups – Bangladeshi: 31.8%. White British: 31.5%. Other White: 12.3%. African: 5.6%. Mixed Race: 4.2%.

English as main household language: 61.2%.

Households without a car: 64.1%.


Residents per hectare: 135.8.

Main land use types – Roads: 20.8%. Green space: 17.5%. Non-domestic buildings: 14.5%. Domestic buildings: 9.4%. Domestic gardens: 8.7%.

Main housing types – Flats: 79.4%. Terraced: 10.3%. Conversions: 4.8%. Semi-detached: 2.4%. Detached: 1.2%.

Main tenure types – Social housing: 42.3%. Privately rented: 30.8%. Mortgaged: 15%. Owned outright: 8.3%.


Total wards: 18.

Wards with silhouette values above 0.2 in descending order: Mile End East (Tower Hamlets), Bethnal Green South (Tower Hamlets), Shadwell (Tower Hamlets), St Dunstan's and Stepney Green (Tower Hamlets), Bromley-by-Bow (Tower Hamlets), Limehouse (Tower Hamlets), Whitechapel (Tower Hamlets), Spitalfields and Banglatown (Tower Hamlets), East India and Lansbury (Tower Hamlets), Bethnal Green North (Tower Hamlets), Weavers (Tower Hamlets).

Medoid/lowest average distance within: Limehouse (Tower Hamlets) 27.04.

Highest silhouette value: Mile End East (Tower Hamlets) 0.5016.