You can watch this ITV London Tonight program on Newham leaseholders@
http://www.itv.com/london/
or by googling itv tonight leaseholder ( don’t know how long it will be available on above link)
it shows leaseholders getting their second round of £5k + bills in 5 years, and a chartered surveyer suggesting that Newham leaseholders are being charged 4 times the usual cost for work by their council appointed quango, and talks of one London leaseholder getting a £90k bill.