JS BRENNAN DEVELOPMENTS LTD Company number 05953516 · Monitor this company Active Overview People 3 Financial Control Charges Documents Analysis Location Related Registered office Address61 Cavendish Avenue, Harrow, Middlesex, HA1 3RD PostcodeHA1 3RD Companies at this postcode 23 Average house price in HA1 3RD £579,000 (19 sales) Map