You are doing good with your letters and petition.
It was a visit sponsored by the regeneration team as an initiative called 'Place Champions'. The people who went are not all of the same opinion about the HDV and Lendlease. There is a local group opposed to widescale demolition though, called 'Northumberland Park Decides'.
It meets this Thursday at 7pm in St Paul's Church, Park Lane N17 0JR. If coming by car, you can still drive in from Tottenham High Road to Park Lane beside the old stadium, though that won't be there much longer! If some of you could come I'm sure you'd be very welcome.
NB I'm not sure if the 'regeneration' team are monitoring this website, as they do Facebook and Twitter!