The man is believed to have approached three addresses on St Lesmo Road, Stockport on 19 December 2022, removing parcels from each address between 3.20pm and 3.30pm
He then impersonated a homeowner, signing for a parcel from a delivery driver on the same road.
On 20 December 2022 he returned to St Lesmo Road and tailgated a delivery driver into an apartment complex, gaining access to the mail room and filling a large shopping bag with 30+ parcels belonging to residents, before making off on foot.
The man is described as being approximately five foot six inches tall, wearing a hat and a scarf over his mouth. He was also wearing a black cap and black bubble coat.
Anyone with any information is asked to ring 101 or call the independent charity – Crimestoppers – on 0800 555 111.