The redevelopment will involve the demolition of Ergon House and the partial demolition of the rear wing of 9 Milbank. An eight storey tower will then be constructed to provide 161 residential flats, of which 33 will be affordable. The ground floor will also provide for 1,900 sq ft of retail space.
9 Milbank which is to be partially demolished as part of the proposals is a grade II listed building. However, the City of Westminster considered (68-page / 15MB PDF) that the rear wing has undergone alteration and extension and retains minimal historic fabric of interest.
Ergon House is deemed to be a building of interest which makes a positive contribution to the conservation area in which it is situated. However the City of Westminster said that, due to the amount of alteration it has undergone, its level of significance and contribution to the overall character and appearance of the conservation area is not such that its loss would constitute substantial harm to the conservation area.
It said that overall the proposed development would use the site in a way that would preserve the relevant designated heritage assets and also introduce a new building which would complement the setting of its immediate neighbours.
St Edward Homes has offered to provide section 106 contributions of approximately £8 million.