Downham Estate
The estate covered an area of 522 acres ( 2 . 1 km2 ) , of which 461 acres ( 1 . 9 km2 ) were in the Metropolitan Borough of Lewisham , ( from 1965 the London Borough of Lewisham ) and 61 acres ( 0 . 2 km2 ) in the Municipal Borough of Bromley ( from 1965 the London Borough of Bromley ) ; altogether it covered a distance of 1 . 25 miles ( 2 km ) . 
<triplet> London Borough of Bromley <subj> London Borough of Lewisham <obj> shares border with