- The woman, who was with a female friend, was attacked by three men who ran off towards Tottenham Court Road
- She is now being treated for serious facial injuries
- Police are keen to speak to anyone who may have been in the area at the time
More top news
The property developer painted the mews house in March last year after she was denied permission for a basement below the property.
Profits at the estate agent plummeted 42% in the first half of the year.
Ionut Gheorghe, 27, was detained in Los Molinos near Madrid on Friday by Spanish police under a European Arrest Warrant.