A lost ball was the excuse given by a woman with four children spotted at the back of a home in Buxton Drive on Sunday.
When asked what they were doing they said their ball was in the garden and they wanted to get inside to find it.
The resident however did not allow them access and it is believed that they then knocked on other doors in the area.
The female suspect is described as a white female in her early twenties, with brown straight shoulder length hair and wearing a dark top. She was with four youngsters predominantly wearing pink and two were in roller skates.
If you witnessed anything relating to this incident; please call 101 quoting ref: 0755 of 23/02.
Please remember that under no circumstances let strangers into your home. If you encounter suspicious activity call Sussex Police on 101 to report it.