Appeal 3344781
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
5 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
3.5 single-storey side extension, 2.5 m first floor rear extension & single storey side extension.
Section 02
Decision
The appeal is dismissed.
Section 03
Preliminary Matters and Main Issue
The proposed extensions comprise a single storey rear extension, a first floor rear extension and single storey side extension. The Council has confirmed that it is satisfied with the scale and proportions of the proposed extensions in terms of the effect on the character and appearance of the existing property and on the local area. The reason for refusal is specifically related to the design of the first floor rear extension which is considered to be an unsympathetic addition to the host property and not in keeping with the character of the area.
From my site visit and all the information before me I have no reason to take a different view. Accordingly, the main issue in this appeal is the effect of the design of the first floor rear extension on the character and appearance of the existing property and on the local area.
Section 04
Reasons
The appeal property is a semi-detached property at the eastern end of [address], which comprises semi-detached and short terraces of similar properties along the northern side and eastern side of the road. There is a pedestrian footpath leading along the southern edge of the property through to a commercial estate to the rear, with vehicular access off [address]. As a result of this pedestrian access the rear elevation of the appeal property is seen in public views.
The proposed first floor rear extension in terms of its scale, depth and width would respect the proportions and scale of the existing property. In terms of its design, it would have a solid wall facing towards the neighbouring property but almost full length continuous glazing to the side and rear elevations under a hipped roof. The predominant pattern of development for the traditional houses in the street are of solid walls punctuated by windows. I consider that the extent of glazing along the rear and side facing elevations would be excessive and would not respect the more traditional design form of the existing property and the surrounding houses. It would therefore harm the character and appearance of the existing dwelling.
Given the pedestrian footpath which goes around the edge of the property, the first floor extension would be very visible to pedestrians using the footpath. The proposed design with such extensive glazing would be visually discordant in these street scene views.
I therefore conclude that the proposed first floor extension, with particular reference to its proposed design and extent of glazing would harm the character and appearance of the existing dwelling and of the local area. This would conflict with Policies CC1, CC2 and SC7 of the adopted Local Plan and the Council’s Residential Extension Guidelines as well as the National Planning Policy Framework, and in particular Section 12, all of which, amongst other matters, seek a high quality of design which respects the local context.
I have taken into account the appellant’s objectives to maximise the light to the rear room. However, I am not satisfied that the proposal before me would be the only design solution to achieve this objective. Given the harm I have concluded I am not persuaded to a different conclusion.
Section 05
Conclusion
The proposal would not accord with the development plan and there are no other material considerations to override this finding. For the reasons given above and having regard to all other matters raised, including in representations, I conclude that this appeal should be dismissed.
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 257No official casework-database value to compare
- Extracted decision date · page 1
- 9 August 2024Matches the official casework database
- Extracted site visit dates
- 16 July 2024 (page 1)
Reference and authority
Official identifiers and the planning authority recorded against this case.
- Case reference
- 3344781
- Application reference
- P/2024/0258
- Lead case reference
- Not recorded
- Planning authority
- London Borough of Hounslow
- Planning authority code
- E09000018
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
- Not recorded
- 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
- Dismissed
- Decision category
- Dismissed
- Received date
- 21 May 2024
- Valid date
- 24 May 2024
- Start date
- 17 June 2024
- Planning authority decision date
- 26 March 2024
- Appeal decision date
- 9 August 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
- 55417
- 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