It happened around 1:20 Friday afternoon on Duffryn Avenue.
Police say the homeowner saw a man leaving the back of the home. An investigation revealed that the male entered the home by breaking a back window.
No word if any items were taken.
The suspect is described as a white male, in his mid to late 20s, approximately 5' 10"- 6' 0" tall, with blonde/brown hair and a slim build.
He was last seen wearing a green t-shirt and baggy black cargo pants.
The suspect escaped through a wooded area behind Duffryn Avenue and into Willistown Township and Malvern Borough.
Anyone who recognizes the suspect in the sketch or has any information concerning this investigation, please contact Willistown Detectives at (610) 251-0222 or (610) 647-1440.