For the avoidance of doubt the Drawing(s) No(s) and Document(s) to which this decision refers are as follows:- Received 02.07.2026: - Application form - CIL form - SCR/134/10 - Existing - SCR/134/11 - Proposed - SCR/134/12 - Proposed Site Plan and Location Plan
This proposal CONSTITUTES DEVELOPMENT within the meaning of Section 55 of the Town and Country Planning Act 1990, but by virtue of Article 3 and Schedule 2 of the Town and Country (General Permitted Development) (England) Order 2015 and any subsequent legislative amendments is of a class which is described as PERMITTED DEVELOPMENT and therefore planning permission IS NOT REQUIRED subject to the following conditions: (a) the materials used in any exterior work (other than materials used in the construction of a conservatory) shall be of a similar appearance to those used in the construction of the exterior of the existing dwellinghouse; (b) any upper-floor window located in a wall or roof slope forming a side elevation of the dwellinghouse shall be: (i) obscure-glazed, and (ii) non-opening unless the parts of the window which can be opened are more than 1.7 metres above the floor of the room in which the window is installed; and (c) where the enlarged part of the dwellinghouse has more than one storey, the roof pitch of the enlarged part shall, so far as practicable, be the same as the roof pitch of the original dwellinghouse.
The applicant is advised that the erection of new buildings or alterations to existing buildings should comply with the Building Regulations. This permission is NOT a consent under the Building Regulations for which a separate application should be made. For application forms and advice please contact the Building Control Section, Civic Centre, 44 York Street, Twickenham, TW1 3BZ. (Tel: 020 8891 1411).
The Applicant is reminded that proposed materials, including fenestration, must match existing.
Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.
Understand pending consideration, approved, refused and withdrawn planning applications. Compare status labels and find the documents explaining each outcome.
Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.