To update my previously posted info:
Saturday, Sunday and Monday 27/28/29 August
Victoria Line
No service between Kings Cross and Walthamstow Central.
Reduced services throughout the Line.
Signalling Work at Finsbury Park and Saturday only, Station Works at Blackhorse Road.
Saturday and Sunday 17/18 September CANCELLED
Victoria Line
No service throughout the line.
Engineering work between Brixton and Walthamstow Central.
Sunday 18 September Postponed, effective Sun 25 September
Victoria Line
NEW WORKING TIMETABLE 23.
(Off-peak services on Mondays to Fridays will be enhanced by 2tph between Brixton and Seven Sisters. A 23tph service will operate on this section.)
Saturday and Sunday 22/23 October confirmed
Victoria Line
No service throughout the line.
Engineering work between Brixton and Walthamstow Central
Saturday and Sunday 19/20 November
Victoria Line
No service throughout the line.
Engineering work between Brixton and Walthamstow Central