21 Elgin Mews North London W9 1NN
External and internal alterations including removal of roof and water tank; construction of new roof with rooflight; addition of PVs and integrated air con system; construction of sunken roof terrace accessed via a lightwell formed within the existing building footprint; replacement windows; entrance door and security gates; repair work to facades; internal alterations to all floors; and all in connection with enlarging existing flat. (Linked with 22/05242/FULL)