Keaton worked her magic on a two-year restoration of the 1928 Mediterranean Revival style property, now back on the market at £12.3 million.
The 7,940sq ft property has an indoor pool, spa, panoramic views across the city and a terraced garden designed by Chelsea Flower Show Gold winner Chris Beardshaw.
X-Men super fans wanting to follow in Fassbender's footsteps should look no further than Alfama, Lisbon, where apartments on are on the market for considerably less than the star's luxe pad's £1.7m price tag...
The humble-looking pub in East Chiltington counts Steve Coogan, Sean Lock and Jamie Theakston as fans.
Tucked away in lovely gardens, the Grade II-listed cottage has three bedrooms and an asking price of £925,000.