Police said two people were attacked with a baseball bat during a burglary in Jewel Walk, Bewbush, at around 11.30pm on Monday (October 15).
The intruders demanded money before leaving empty handed.
A 29-year-old man was taken to East Surrey Hospital with facial injuries and a cut to his head. A 64-year-old woman received bruising to her leg and face.
Police said one of the men was described as black, over 6ft, wearing all black and a black leather mask over the mouth/nose and black leather gloves.
The second was black, slim, wearing black, a black leather mask, and white latex surgical gloves.
The third man was white man, stocky, and wearing a black woollen balaclava and white latex surgical gloves.
Anyone with information or who witnessed anything suspicious is asked to contact police online quoting serial 1355 of 15/10.
Alternatively, you can visit the Crimestoppers website or contact the independent charity anonymously on 0800 555 111.