Westlake is a 5 storey block of flats on the southern edge of Rotherhithe New Road on the Silverlock Estate in the Rotherhithe area of Southwark, London. The block is separated into four wings, with a total of 130 flats. It was completed in 1979 and is constructed out of concrete with brick masonry facings. The length of the block creates an imposing frontage onto Rotherhithe New Road.