Officers carried out the warrant after receiving information about the home in Ham.
The home was searched, and police found a variety of illicit substances – including approximately 20kg of cannabis, 1kg of cocaine, 1kg of heroin and £200,000 in cash.
Images shared by Ham and Petersham Police on X (Formerly known as Twitter) show a bundle of weed, stacks of cash and a brown powder-like substance.
Four suspects were arrested.
A spokesperson for Ham and Petersham MPS on X (Formerly known as Twitter): “Ham Snt assisted Richmond officers responding to information received yesterday, and visited an address in Ham, entering and searching the property.
“Found inside was approx 20kg of cannabis, 1kg of cocaine, 1kg of heroin and £200k in cash.
“Four suspects have been arrested.”