Belfast·SPG004 Residential Extensions and Alterations·Page 41·4.3.23
Special care required for terraced and semi-detached housing
Significant daylight and sunlight loss problems are most likely in terraced or semi-detached situations, where extensions should be kept as far as possible from neighbouring windows and boundaries to minimise impact.
Significant problems of sunlight or daylight loss are most likely to occur in terraced or semi-detached housing situations and it is here that most care needs to be taken. An extension should be kept as far as possible from neighbouring windows and boundaries to minimise impact.
Source — /Users/richardhill/Documents/planning-arch-project/data/documents/belfast/SPG004 Residential Extensions and Alterations.pdf