Belfast·SPG003 Residential Design·Page 19·3.1.21
Backland development requirements
Backland areas can accommodate new residential development if proposals meet specific criteria regarding plot depth, configuration, form, and scale to ensure quality residential environments and respect for local context.
In appropriate circumstances backland areas offer the potential to integrate new residential development that is capable of producing a high-quality environment. To be successful, proposals for backland development should:
i. relate to a site which has appropriate plot depth and configuration – a fundamental requirement for successful backland development is for the backland plot to be of sufficient depth to accommodate new housing in a way which provides a quality residential environment for new and existing residents, ensuring adequate private amenity space and appropriate separation distances for existing and proposed properties (see section on 'Privacy' below).
ii. be of a form and scale which respects the local context – it is important to ensure that new development respects the scale and density of existing development. In general the scale and massing of new housing in backland
Source — /Users/richardhill/Documents/planning-arch-project/data/documents/belfast/SPG003 Residential Design.pdf