I understand that there is a planning application to demolish 7 Leathermarket St. This isn't a celebrated building within the Bermondsey St Conservation Area but it is one small facet of the character that made the Conservation Area so important.
The Conservation Area used to display a range of building styles and sizes covering a period, roughly spanning 1790ish to the present day. Recent development fashion has meant that many original buildings have been demolished to make way for the current vogue for 'brick as wallpaper' themepark constructions.
7 Leathermarket St is probably the best example of the 1950s 'Festival of Britain' style and, as such, I think that is unique.