A fine 'Arts and Crafts' era jewellery factory - due to be restored and turned into flats - has been ransacked for its original fixtures and fittings.
Birmingham-based Blackswan Property plans to create 147 apartments around the three-storey, Grade II*-listed former home of J Ashford & Son, in Great Hampton Street, in the Jewellery Quarter.
But in the last two weeks thieves have taken all of the fixtures and fittings - including furniture, light fittings, lamps, scales, door handles and even sinks.
Lucy Walker, from developer Blackswan Property, which is also based in the Jewellery Quarter, said: "It's the history of the building that makes this so sad.
"We were planning to retain all of the original features and incorporate them into the development.
"It's one of the oldest buildings in Great Hampton Street. Whoever did this forced entry to the building must have brought tools with them because they even unplumbed the sinks.
"Even all of the old beautiful signs, the light switches and door handles have gone. They have taken everything."
The firm said the thieves targeted the building some time in the last two weeks and probably did so in the day because there was currently no electricity.
Ms Walker added: "We hope that anybody who saw anything suspicious can come forward and contact us or the police. We are also hoping that anybody who is offered any of the items in the pictures can report it."
The building was designed by Arthur McKewan - the man behind city's oldest swimming pool, Woodcock Street Baths - and is considered a notable example of the Birmingham Arts and Crafts style of architecture.
John Ashford started his business in 1842 in Lionel Street as a gilt toy maker.
In 1905, the company was sold by John Ashford Junior to Joseph Aitken, who had moved to Birmingham from Manchester, and in 1912 it moved into the new factory in Great Hampton Street where it specialised in enamelled work and men's jewellery.
Awarded Grade II*-listed status in 1982, it was most recently occupied by Frost Electroplating before it moved to a new purpose-built home in Kings Norton in 2014.
A spokeswoman for West Midlands Police confirmed a burglary had been reported to the force and it said officers had arranged a meeting to discuss the theft of the items.