Appeal 3282144
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
6 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
demolition of existing two storey rear extension and construction of single-storey and first floor rear extensions and new bay window, extension of roof and the raising ridge height of roof, installation of rooflights, replacement windows and demolition and part replacement of existing garage.
Section 02
Decision
The appeal is allowed and planning permission is granted for demolition of existing two storey rear extension and construction of single-storey and first floor rear extensions and new bay window, extension of roof and the raising ridge height of roof, installation of rooflights, replacement windows and demolition and part replacement of existing garage at [site address] in accordance with the terms of the application Ref 21/2205/HOT dated 16 June 2021 and in accordance with the following
Section 03
conditions:
The development hereby permitted shall begin not later than three years from the date of this decision.
The development hereby permitted shall be carried out in accordance with the following approved plans: 411(PL2)04; 411(PL2)05; 411(PL2)06; 411(PL2)07; 411(PL2)16; 411(PL2)17; 411(PL2)18; 411(PL2)19; 411(PL2)20; 411(PL2)21; 411(PL2)22; 411(PL2)23; 411(PL2)25.
The external surfaces of the building (including fenestration) and where applicable, all areas of hard surfacing, shall not be constructed other than in materials/samples of which shall be submitted to and approved in writing by the local planning authority.
Notwithstanding the provisions of the Town and Country Planning (General Permitted Development) (England) Order 2015 (or any Order revoking or re-enacting that Order) no part of the roof of the building hereby approved shall be used as a balcony or terrace nor shall any access be formed thereto.
Section 04
Procedural Matters
The appeal property has been the subject of various planning applications. Planning permission has been granted1 for a similar scheme to that proposed, with the roof form permitted by that previous proposal comprising the most significant difference to the proposal the subject of this appeal.
The Council’s reason for refusal related only to the proposed raising of the ridge height and the introduction of a rear dormer. The Council has no objections to other elements of the proposed development. Consequently, this decision focuses on the proposed roof form.
Section 05
Main Issue
The main issue in this case is the effect of the proposed development on the character and appearance of the St Margaret’s Estate Conservation Area.
Section 06
Reasons
The appeal property is a two storey detached dwelling situated on a triangular plot along [address].
The appeal property is located within a residential area and is situated within the St Margaret’s Estate Conservation Area, a largely Victorian estate, notable for a variety of housing styles, including many detached two storey dwellings with intricate brick and stucco details.
The presence of period properties with original features is a significant characteristic of the area. Further, during my site visit, I observed that dwellings tend to be set back from the street behind brick walls and garden areas and driveways and have gardens to the rear. The presence of gardens, trees and hedgerows provides for a pleasant green and spacious character.
The appeal property is not Victorian, but dates from the mid 20th Century. It retains attractive period features, including a semi-circular brick opening to its front façade and whilst its rear is partly hidden from view, its front façade ties in well with a brick wall to the front.
The property has an unattractive, flat-roofed extension to the rear and this provides for a less attractive side elevation, which can be glimpsed through the greenery around the property. 10.The appeal property sits adjacent to Number [address], which is a much taller Victorian property and which, to some considerable degree, looms above the appeal property due to its greater height. 11.The proposed development would result in the appeal property’s roof ridge being raised. Rather than result in a significant enlargement that would greatly alter the proportions of the dwelling, or a prominent feature, the raised roof would still sit far below the height of No 23 and has clearly been carefully designed to appear in proportion with the rest of the dwelling. 1 Reference: 19/1228/HOT. 2 of 4 12.Taking this into account, I find that the increase in height would not stand out in any way but would appear as an integrated part of a much-improved building; and the appeal property would still be of modest height relative to surrounding dwellings. 13.Further to the above, I am mindful that evidence has been submitted to demonstrate that the proposed roof would be smaller – and would give the impression of less mass - than the previously approved scheme referred to above. 14.A small dormer is proposed to the rear roof slope. This would be largely hidden from general view, but could be glimpsed from a number of locations, including from the rear garden of No 23. 15.The proposed dormer has been sensitively designed. It would be centrally located, set down from the ridge and set well-in from either side of the roof. The absence of windows would avoid scope for overlooking and would preserve residential amenity; and the proposed materials would match the roof. 16.As such, the proposed dormer would, I find, appear as a modest and unassuming addition. Given this and its proposed location, it would not appear incongruous or dominant in any way, and would neither draw attention to itself nor detract from the overall appearance of the building. 17.Considered as a whole, I find that the proposed development would result in an all-round improvement to the appeal property whereby unattractive elements would be replaced. The resultant dwelling would appear as a coherent and attractive whole. 18.Taking all of the above into account, I find that the proposed development would conserve the character and appearance of the St Margaret’s Estate Conservation Area. It would not be contrary to the National Planning Policy Framework; to Local Plan2 Policies LP1, LP3 and LP8; to the Council’s Supplementary Planning Document (SPD): [name] and Alterations (2015); to the St Margaret’s Village Planning Guidance SPD (2016); or to the St Margaret’s Estate Conservation Area [name]. 19, which together amongst other things, seek to protect local character.
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 601No official casework-database value to compare
- Extracted decision date · page 1
- 30 November 2021Matches the official casework database
- Extracted site visit dates
- 23 November 2021 (page 1)
Reference and authority
Official identifiers and the planning authority recorded against this case.
- Case reference
- 3282144
- Application reference
- 21/2205/HOT
- Lead case reference
- Not recorded
- Planning authority
- Richmond Upon Thames London Borough Council
- Planning authority code
- E09000027
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
- 1
- 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
- Yes
- 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
- 2 September 2021
- Valid date
- 2 September 2021
- Start date
- 15 October 2021
- Planning authority decision date
- 24 August 2021
- Appeal decision date
- 30 November 2021
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
- No
- 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
- 6852
- First seen
- 20 August 2026 at 14:24
- Last seen
- 20 August 2026 at 16:25
- Removed from release
- Not recorded
- Record created
- 20 August 2026 at 14:24
- Record updated
- 24 August 2026 at 16:21