SPPS Strategic Planning Policy Statement Edition 2 (December 2025)·Page 50
Infill and ribbon development
Development of small gap sites in otherwise substantially built-up frontages is permitted, but planning permission will be refused for buildings that create or add to ribbon development.
Infill/ribbon development: provision should be made for the development of a small gap site in an otherwise substantial and continuously built up frontage. Planning permission will be refused for a building which creates or adds to a ribbon of development;
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