DC/26/144419ApproveLast updated 16/08/2026, 05:56
This application proposes a certificate of lawful development for a proposed L-shaped loft dormer and two front rooflights.
Lawful Development Certificate proposed
Garthorne Road, London SE23
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Application for a Lawful Development Certificate (proposed) submitted under Section 192 of the Town & Country Planning Act 1990 (as amended) and Classes B and C of Schedule 2, Part 1 of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) for the construction of an L-shaped dormer and installation of two front rooflights at 33 Garthorne Road, SE23
Application Timeline
Application Registered19/06/2026
Application Validated22/06/2026
Decision Made11/08/2026
Decision Issued11/08/2026
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For neighbours
Physical construction works
Build-phase noise, dust and vehicles while works are carried out.
Upper-floor or window works
First-floor, dormer, balcony or window works in the description.
What the application involves, identified from its description — an indicator, not an assessment. Set your address to see distance and direction.