What do these results mean for Labour in London?

The ward-level data for the London election came out today and is downloadable here.

There’s loads of useful info here for organisers, election strategists and psephologists.

I thought I’d set the ball rolling on dissecting it with the table of Ken’s percentage support on first preference votes by borough:

Newham 71.9%
Hackney 59.9%
Tower Hamlets 59.1%
Barking & Dagenham 54.5%
Haringey 54.4%
Brent 53.7%
Lewisham 51.9%
Waltham Forest 51.1%
Southwark 49.9%
Lambeth 49.4%
Islington 49.3%
Ealing 45.5%
Redbridge 44.9%
Greenwich 44.7%
Hounslow 43.1%
Enfield 43.0%
Camden 41.3%
Harrow 38.5%
Merton 38.3%
Croydon 37.8%
Hillingdon 31.7%
Hammersmith & Fulham31.0%
Barnet 30.8%
Wandsworth 30.7%
Westminster 29.6%
Bexley 26.4%
Kingston-upon-Thames 25.2%
City of London 24.8%
Sutton 23.6%
Havering 22.4%
Kensington & Chelsea 20.1%
Richmond-upon-Thames 20.1%
Bromley 19.7%

Please feel free to use the comments to analyse this or to post other interesting bits of data you derive from the tables e.g. constituency by constituency results, or wards in ranked order.