Extension plans spark anger

Plans for a huge three-storey basement extension that will treble the size of a Knightsbridge house have sparked an angry campaign from neighbours, including novelist Edna OBrien.

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Excavation will reportedly descend more than 50 feet below surface

The excavation will descend over 50 feet below the surface say reports, deeper than the height of nearby houses, and will feature a 45-foot swimming pool, hot tub, sauna, massage room, ballroom, covered courtyards, staff accommodation, parking, a turning circle and car lift.

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