Police were called to an address on Laburnum Grove at around 1.45pm on Monday, April 4 after a man had been found deceased inside the property.
Whilst formal identification is yet to take place, it is believed that the deceased is John Houston, 41, from Lancaster.
A 43-year old man also from Lancaster has been arrested on suspicion of murder and is currently in police custody.
Police are keen to piece together Mr Houston’s last movements from Saturday, April 2 onwards. Detective Inspector Simon Dent from Lancaster CID said: “If anyone has information that could assist us with our enquiries, particularly those from the Marsh estate who may have seen John in the lead up to his death, I would urge them to come forward and speak to us.”
Anyone with information can contact police on 101 quoting incident reference number 686 of April 4.
Alternatively Crimestoppers can be contacted anonymously on 0800 555 111 or online at Crimestoppers-uk.org
Mr Houston’s family are being supported by specially trained officers. A post mortem examination will take place in due course.