A burglar rode off on a bicycle he had stolen from a home in Wheeler Avenue in Stratton, at about 6.15pm on February 8.
Wiltshire Police say the man was seen to scale a fence into the back garden and make off with the bike a few minutes later.
He was seen riding along the alleyway, which leads from Wheeler Avenue to the hydrotherapy pool and Kembrey Park. He is described as white and of average build, wearing a hooded top and trainers.
Anyone with information should call the priority crime team at Wiltshire Police on 101 ext 507912, or Crimestoppers, anonymously, on 0800 555 111.