NEW SUB-BASEMENT TO 7 PELHAM PLACE, SOUTH KENSINGTON, LONDON SW7

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7 Pelham Place is a Grade II* Listed Building, in South Kensington. We originally worked for our Clients to restore and refurbish the house when it was purchased by them in 1994. In 2009 we secured planning and Listed Buildings consents for a new sub-basement room under the rear patio garden, approximately 10 metres long by 6 metres wide.

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This was a remarkable engineering project in many respects. The sole access for all materials and circa 300 tonnes of spoil was through the front basement window opening, with limited access from the rear. The perimeter was secant piled to a depth of 6 metres, then the concrete basement room constructed within, waterproofed and fitted out. The patio and planters were reconstructed to a new design, incorporating three walk-on rooflights to allow natural light to permeate into the basement room.

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A small infill conservatory was also incorporated into the original basement level light well.