Editor's note: This brief was summarised by The Property AI Newsroom from a report by Property Industry Eye. Read the original article for full details.

Hampstead Mansion with 'Batman Lair' Listed for £29.95m by Draper London

Draper London has been appointed as the sole agent for the sale of a mansion on Greenaway Gardens in Hampstead, north west London. The property, owned by tech entrepreneur Sergey Frolovichev, is on the market with a guide price of £29.95 million.

The mansion extends to approximately 14,500 square feet and features seven bedroom suites, six reception rooms, a study, media room, and leisure facilities including a swimming pool, gym, sauna, and steam room. The property also includes a design workshop and studio inspired by the film The Dark Knight, which features a concealed staircase entrance.

The house sits on a large plot with a gated driveway and nearly 8,000 square feet of rear terraces that lead onto a south west-facing garden. Originally built in the 1930s, the three-storey neo-Georgian property was designed by English architect Charles Henry Bourne Quennell and retains original features such as sash windows, brick detailing, and a central stone entrance portico.

Sergey Frolovichev, a former business associate of Andrey Andreev, worked with architectural practice SHH on the redesign of the house.

This listing may be of interest to UK letting agents and inventory clerks due to its unique features, extensive amenities, and the scale of the property.