Appeal 3322962
Public case and site metadata stored from the official casework database, including fields that were empty in the source release.
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Official decision document
The decision, section by section
7 sections
Read the development description and the Inspector’s text from the official decision PDF in source order. Source headings are retained where available. Personal and contact details are removed by an automated privacy filter; this is source material, not Rules for You analysis.
Section 01
Development description
Single storey side extension; external alterations (demolition of side extension and garage).
Section 02
Decision
The appeal is allowed and planning permission is granted for the erection of a single storey side extension; external alterations (demolition of side extension and garage), at No. [site address] in accordance with application ref. P/0170/23, dated 18 January 2023, subject to the following
Section 03
conditions:
The development hereby permitted shall begin not later than 3 years from the date of this decision.
The development hereby permitted shall be carried out in accordance with the following approved plans: [name] 3 of 4 Rev 1 dated Jan 2023; [name] and [name] 1 of 4 Rev 1 dated Jan 2023; Existing Site Plan dated September 2022; H M Land Registry General Map, [site address] ; [name] 4 of 4 Rev 1 dated Jan 2023; [name] and [name] 2 of 4 Rev 1 dated Jan 2023.
No development shall commence until details/samples of the materials to be used in the construction of the external surfaces of the extension hereby permitted have been submitted to and approved in writing by the local planning authority. Development shall be carried out in accordance with the approved details/samples.
Section 04
Main issue
The decision turns on whether or not the proposed side extension would materially harm this part of the street frontage to [address].
Section 05
Proposal
The Appellant, [name], wishes to demolish the existing flat roofed single storey side extension to his semi-detached house at No. [site address] , demolish the flat roofed single garage that sits alongside the shared boundary to No. 90 immediately to the south and remove the high fence to the patio frontage that links the 2 structures. A new predominantly single storey side extension would be built to the side of the house, 5.8m wide and 6.8m deep. The extension would display a false sloping roof with a ridge height of 4m and eaves 3m high to the front, road elevation.
Section 06
Considerations
The Council said the side extension would be unacceptably wide. It would be disproportionate and not subservient to the house. Their Supplementary Planning Document Residential [name] (2010) said: "Extensions should harmonise with the scale and architectural style of the original building, and the character of the area. An extension should have a sense of proportion and balance, both in its own right and in its relationship to the original building and should not dominate the original building or surrounding area".
The Development Plan policies quoted by the Council harmonise with National Planning Policy Framework (2023) guidance at para. 126 - “ The creation of high quality, beautiful and sustainable buildings and places is fundamental to what the planning and development process should achieve. Good design is a key aspect of sustainable development, creates better places in which to live and work and helps make development acceptable to communities.”.
The new 5.8m wide side extension to the semi-detached house at No 92 would be 1.2m narrower than a previously refused application, (ref: P/3248/22), bringing it down from the originally proposed same width at the house. In my view, that reduction of [name] proposed replacement side extension project would be an acceptable alternative. It would replace 2 unprepossessing flat roofed structures, those being a narrow side extension attached to the house and a single garage built up the boundary shared with No. 90 next door. There is a gap of about 3m between those structures, but which is closed by timber fencing to almost the same height. The effect is that the present frontage to the side of the 2 storey semi-detached house at No. 92 completely closes the gap at ground floor level to the side of the 2 storey semi-detached No. 90 when seen from the fronting road, producing a poor overall look. Replacing most of that with the 5.8m wide side extension to [name] house would be of some minor benefit, not, as the Council suggest, some harm to the street frontage. That is notwithstanding that the width of the new extension would be only some 1.1m less than that of the 2 storey house.
Section 07
Conclusion
I conclude that the appeal extension at No. [site address] would not be in conflict with Policy DM1 of the Development Management Policies Local Plan which seeks to ensure a high standard of development. A conditional planning permission should be granted.
For the reasons given above, the appeal succeeds. A condition limiting the duration of the permission is applied, (s.91 of the Act), as is a condition relating to the submitted plans defining the project and a condition requiring the submission of details of external finishes so they match the main house. [planning inspector] INSPECTOR
Planning inspector and document dates
The official casework attribution is grouped under a one-way keyed hash and shown only by its local identifier. Decision-letter dates and page references are extracted by fixed first-page rules and checked against that authoritative record.
Appeal Decision
- Extracted inspector · page 1
- Inspector attribution ID 19331No official casework-database value to compare
- Extracted decision date · page 1
- 30 January 2024Matches the official casework database
- Extracted site visit dates
- 11 January 2024 (page 1)
Reference and authority
Official identifiers and the planning authority recorded against this case.
- Case reference
- 3322962
- Application reference
- P/0170/23
- Lead case reference
- Not recorded
- Planning authority
- London Borough of Harrow
- Planning authority code
- E09000015
Casework details
The casework, procedure, development and linking details supplied by the official record.
- Casework type
- Householder (HAS)
- Procedure
- Written Representations
- Development type
- Householder developments
- Appeal type reason
- 1. Refused planning permission
- Appeal reason
- Refusal
- Type detail
- Planning Appeals - Full
- Jurisdiction
- Transferred
- Link status
- Not Linked
Site and development
Published appeal-site measurements and planning designations, without the withheld precise location fields.
- Site area
- Not recorded
- Floor space
- Not recorded
- Number of residences
- 0
- Site in Green Belt
- No
- Agricultural holding
- No
- Affects setting of a listed building
- Not recorded
- Historic building grant made
- Not recorded
- Relates to a conservation area
- Not recorded
- Flooding is an issue
- Not recorded
- Site within an AONB
- Not recorded
- Site within an SSSI
- Not recorded
Decision and dates
The published outcome and every imported case date.
- Official decision
- Allowed
- Decision category
- Allowed
- Received date
- 25 May 2023
- Valid date
- 25 May 2023
- Start date
- 13 July 2023
- Planning authority decision date
- 15 March 2023
- Appeal decision date
- 30 January 2024
Case administration
Published recovery, call-in, costs and enforcement information for this case.
- Redetermined
- No
- Bespoke
- No
- Date recovered
- Not recorded
- Date not recovered or derecovered
- Not recorded
- Call-in date
- Not recorded
- Costs applied for
- Not recorded
- Enforcement grounds count
- Not recorded
- Enforcement grounds
- Not recorded
Source and catalogue history
When this record appeared in the rolling official release and when the catalogue stored it.
- Source
- Planning Inspectorate casework database
- Source data system
- Horizon
- Dataset status
- Current release
- Catalogue record ID
- 45571
- First seen
- 20 August 2026 at 14:24
- Last seen
- 20 August 2026 at 16:27
- Removed from release
- Not recorded
- Record created
- 20 August 2026 at 14:24
- Record updated
- 24 August 2026 at 16:21