To the north it is separated from the district of Bockelsberg by a small wood, to the east it is bordered by Uelzener Straße (the old B 4 highway).
Burial mounds and artefacts from the Federmesser culture indicate that the area has been settled since the New Stone Age.
On 30 April 1945 the headquarters of the 2nd Britisch Army under Field Marshal Sir Bernard Montgomery was set up in Häcklingen.
Shortly afterwards the surrender of the German forces in North Germany was accepted on the hill of Timeloberg.
In 1974 the village was incorporated into the town of Lüneburg as part of the regional and administrative reforms in Lower Saxony.
In 2007 the Lüneburg Montessori Primary School moved to Häcklingen, where it is accommodated in containers formerly used by the psychiatric clinic.