We found the following Judo classes around EN5

Batchwood Sports Club, Batchwood Drive, St Albans AL3 5XA

27-53 Elfrida Rd, Watford WD18 0AT

iruka Judo - Watford based Judo Club, training on Tues and Thurs. Elfrida Road. Field Junior school.

145 Ben Jonson Rd, London E1 4SD

Mayfield Leisure Centre and Pool, Kinfauns Rd IG3 9QN

Judo club based in Barking and Dagenham

Community First, 245 Rectory Park Ave, Northolt UB5 6SD

West Acton Community Centre, Churchill Gardens, London W3 0JN

Sandringham School, The Ridgeway, St Albans AL4 9NX

Combat Gosling Sports Park, Stanborough Rd, Welwyn Garden City AL8 6XE

Briars Ln, RoeHill Hall, Hatfield AL10 8EY

111 Winchester Rd, London E4 9LJ

42 Mitcham Rd, Ilford IG3 8QW

242 Acklam Rd, London W10 5JJ