WHERE Our Martial Arts Academy in London currently holds weekly Kickboxing classes at a number of locations: Euston,  Chancery Lane, Piccadilly and Tottenham Court Road.  CENTRAL LONDON KICKBOXING VENUES   American Church/Whitefield Memorial Church (Mon-Thurs) 79A Tottenham Court Road, W1T 4TD.  This is the advanced wing of KB Kickboxing and KB Kung Fu.  Graders and sparrers train here. Tube:  Goodge St / Warren St       St Alban's Centre (Tues) Leigh Place, off Baldwin's Gardens Tube: Chancery Lane (Central Line).         St Pancras Church Hall (Wed) Lancing Street, off Eversholt St Tube:  Euston       LA Fitness, Piccadilly (Sat) Rex House, 4-12 Regent Street London, SW1Y 4PE   Tube:  Piccadilly