The Chelmsford Museum is based in Oaklands House, an historic property off Moulsham Street in Chelmsford, Essex. It is a Grade II Listed building.
Wikipedia https://en.wikipedia.org/wiki/Chelmsford_Museum
Official Website https://www.chelmsford.gov.uk/museums/visit/chelmsford-museum/
Phone +44 1245 605700
Coordinates 51°43'21.985" N 0°27'48.112" E