GRAYMATTER LABS LTD Company number 15201032 · Monitor this company Dissolved Overview People 1 Control Documents Analysis Location Related Registered office Address3 Heybridge Avenue 3, Heybridge Avenue, Streatham, Heybridge Avenue, Heybridge Avenue, London, England, SW16 3DY PostcodeSW16 3DY Companies at this postcode 15 Average house price in SW16 3DY £965,000 (23 sales) Map