Fraser Bond are the leading lettings and property management agents for 38 Hill Street - London W1J. The Naval Club building at 38 Hill Street in Mayfair, London W1. In spring 2021, the building was for sale as a development opportunity. Depending on the level of refurbishment, at £4,500 per sq ft, the mansion could be worth £75 million (US $103 million), at £5,000 per sqft, the property could be worth £85 million (US $117 million) Development Opportunity If refurbished into a private home it would be one of the largest mansions in London providing 16 bedrooms, two floors of reception.