This information was collected from Freedom of Information Act requests.  Not all of the Councils asked could identify their expenditure on Christmas tree lights.

Council Xmas Tree Lights Expenditure
Barking & Dagenham Not Available
Richmond Upon Thames 24,380.00
Havering  
Hammersmith & Fulham  
Redbridge  
Lambeth  
Kingston  
Camden  
Bexley  
Watham Forest 0.00
Hillingdon 2,975.00
Wandsworth Assumed Zero From Response.
Tower Hamlets  
Brent  
Bromley  
Southwark  
Newham  
Greenwich  
Westminster  
Lewisham 0.00
Barnet  
Merton  
Hackney  
Sutton  
Enfield  
Royal Borough of Kensington & Chelsea 80.00
Islington 0.00
Harringey  
City of London  
Harrow  
Hounslow  
Ealing 51,801.00
Croydon