An investigation has been launched after three men, one armed with a crowbar, robbed a house in March on Friday night.
Police say the gang, who were all wearing balaclavas, entered the property in Whittlesey Road between 8.30 and 8.45pm and demanded money.
The victim, a man in his 30s, was decorating the property with two friends at ttthe time.
They ran out, while he held off the man with the crowbar, who was attempting to hit him with it.
The men escaped with around £400 in cash and smashed the victim’s mobile phone.
The group are said to be white and one was wearing a camouflage jacket.
Anyone with information about the incident is asked to contact police on the non-emergency 101 number.