Core Planning Reasoning
The Inspector recommended modifying a condition of the grant to require a specific minimum 100mm set-down of the dormer from the ridge line to protect the visual amenity and established character of the streetscape, even if this prevents the extension from meeting habitable height standards under Building Regulations.
Decision Maker's Conclusion
- The proposed 0.3-metre ridge height increase would introduce an inconsistent element into the established uniform ridge heights of the residential scheme, setting an undesirable precedent.
- Condition No. 2 of the original Planning Authority grant was found to be ambiguous and imprecise by using the term 'visibly discernible distance'.
- While raising the roof has environmental benefits, the planning merits regarding visual harmony and streetscape character outweigh the applicant's objective of achieving a habitable floor-to-ceiling height of 2.4 metres.
Cited Policies (CDP)
Section 12.3.7Section 12.3.7.1Section 12.3.7.1 (iv)Chapter 12Objective A Zoning
Decision Document Summary
The application relates to a proposed attic conversion at 4 Shrewsbury Hall, involving raising a portion of the front roof and adding a rear dormer extension. The site is located within a cul-de-sac of 15 detached houses with a consistent design theme. The Planning Authority granted permission but attached a condition requiring the dormer to be set down from the ridge level. The applicant appealed this condition (Condition No. 2), arguing that it would make the room non-habitable according to Bu...SOURCE PDFOpen Original
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