...Jackmans Estate is a residential area located in Letchworth Garden City, Hertfordshire, England. It is one of the several estates ...Estate is situated in the south eastern part of Letchworth Garden City. It is a popular residential area with amenities such as ...Jackmans Estate is a residential area located in Letchworth Garden City, Hertfordshire, England. It is one of the several estates within ...is situated in the south eastern part of Letchworth Garden City. It is a popular residential area with amenities such as local