Timpson Winchmore Hill, Sainsbury's Reviews Home / Reviews / Timpson Reviews / Timpson Winchmore Hill, Sainsbury's Reviews Contact Details 681 Green Lanes London N21 3RS UK 020 8360 9244 Opening Hours Monday 09:00-17:30 Tuesday 09:00-17:30 Wednesday 09:00-17:30 Thursday 09:00-17:30 Friday 09:00-17:30 Saturday 09:00-17:30 Sunday 10:00-16:00