Change of use of the existing HMO units (Class C4) into residential (Class C3); demolition of the existing buildings (no.21 - 23 Munden Street) with the exception of the front facade, erection of replacement part two, part three and part four storey extensions to provide 2 x 2 bedroom and 6 x 1 bedroom self-contained flats with roof terraces to apartments 5, 6 and 7; formation of refuse storage and cycle storage at the front of the buildings (no. 21 - 23 Munden Street); associated landscaping.