Watson's Hotel, currently known as the Esplanade Mansion, is India's oldest surviving cast iron building. It is located in the Kala Ghoda area of Mumbai (Bombay). Named after its original owner, John Watson, the building was fabricated in England and constructed on site between 1860 and 1863.
The hotel was leased on 26 August 1867 for the terms of Nine hundred and ninety nine years at yearly rent of Rupees Ninety two and twelve annas to Abdul Haq. It closed in the 1960s and was later subdivided and partitioned into smaller cubicles that were let out on rent as homes and offices. Neglect of the building has resulted in decay and, despite its listing as a Grade II–A heritage structure, the building it is now in a dilapidated state.
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