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Official casework recordDismissedCurrent release

Appeal 6003216

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

the erection of first floor rear extension, installation of new side facing window and new roof lights.

  1. Section 02

    Decision

    The appeal is dismissed.

  2. Section 03

    Main Issue

    The main issue is the effect of the proposal on the character and appearance of the area.

  3. Section 04

    Reasons

    [address] is a residential street comprising terraced dwellings. The appeal properties are adjoining mid terraces. Despite the range of extensions at ground and second floor and some differences in appearance there is a generally harmonious character to the rear. There is an established pattern of first floor rear returns which is a characteristic feature that is also reflected at the rear of properties that front [address]. The consistency of the first-floor rear return arrangements creates a sense of balance that contributes positively to the character and appearance of the area.

    Although a modest increase in gross internal area, the proposed first floor extension would be a bulky addition within the wider context at the rear of the terraces. It would detract from the generally consistent rear returns and be prominent in views from the rear gardens of [address] and from the rear windows and gardens of properties on [address]. In these views the proposal would draw the eye and unbalance the otherwise harmonious character.

    The appeal site is not subject to heritage constraints, and the extension would be mirrored on two properties which would bring a degree of balance to Nos 78 and

    Nevertheless, it would be at odds with the prevailing character of the surrounding terraced group and thereby appear incongruous. In coming to this view, I have taken account of the guidance within the [name] 4 (2023) which advises that the elongation of rear returns is unlikely to be acceptable in circumstances where the uniformity of a group is important.

    It may be that the proposal would improve the quality, functionality and long-term usability for the families currently occupying the properties, however it would not respond positively to the surrounding context and would not therefore reinforce local distinctiveness, as require by Policy Q5 of the Lambeth Local Plan 2020- 2035 (2021) (LLP). The use of materials to match the appeal properties and surrounding area would not mitigate the harm identified.

    My attention has been drawn to a decision by the Council on the opposite side of [address] at No 23 for a scheme that included a first-floor extension. However, insufficient evidence has been provided and therefore it is not clear that is directly comparable to this case, particularly with regard to the character and appearance at the rear. In any event, I have considered this appeal proposal on its own merits and come to my own view for the reasons set out above

    To conclude, the proposal would be unduly harmful to the character and appearance of the area. It would be in conflict with LLP Policy Q5 and Q11, insofar as they require development to sustain and reinforce local distinctiveness through a design that is a contextual response to the locality, positively responding to the host building’s detailing and other locally distinct forms.

  4. Section 05

    Other Matters

    There would be no significant consequences for the living conditions of neighbouring occupiers, however this, and any other policy compliance, would be a neutral matter weighing neither for nor against the proposal. The absence of objections to the scheme is not a reason, in itself, to allow harmful development.

  5. Section 06

    Conclusion

    My above findings bring the proposal into conflict with the development plan, read as a whole. There are no material considerations that indicate a decision should be made other than in accordance with it. Therefore, I conclude that the 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 3895No official casework-database value to compare
    Extracted decision date · page 1
    1 April 2026Matches the official casework database
    Extracted site visit dates
    10 March 2026 (page 1)

Reference and authority

Official identifiers and the planning authority recorded against this case.

Case reference
6003216
Application reference
25/03115/FUL
Lead case reference
Not recorded
Planning authority
London Borough of Lambeth
Planning authority code
E09000022

Casework details

The casework, procedure, development and linking details supplied by the official record.

Casework type
Planning Appeal
Procedure
Written Representations
Development type
Other minor developments
Appeal type reason
Not recorded
Appeal reason
refused
Type detail
Planning Appeals - Full
Jurisdiction
No Jurisdiction Associated
Link status
Not recorded

Site and development

Published appeal-site measurements and planning designations, without the withheld precise location fields.

Site area
0 hectares
Floor space
293 m²
Number of residences
0
Site in Green Belt
No
Agricultural holding
No
Affects setting of a listed building
Yes
Historic building grant made
Not recorded
Relates to a conservation area
Not recorded
Flooding is an issue
Not recorded
Site within an AONB
No
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
2 January 2026
Valid date
7 January 2026
Start date
19 January 2026
Planning authority decision date
28 November 2025
Appeal decision date
1 April 2026

Case administration

Published recovery, call-in, costs and enforcement information for this case.

Redetermined
Not recorded
Bespoke
Not recorded
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
Back Office-s78
Dataset status
Current release
Catalogue record ID
86906
First seen
20 August 2026 at 14:25
Last seen
20 August 2026 at 16:29
Removed from release
Not recorded
Record created
20 August 2026 at 14:25
Record updated
20 August 2026 at 16:29