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Official casework recordDismissedCurrent release

Appeal 3374666

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

8 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

rear extension and new window to existing dwellinghouse.

  1. Section 02

    Decision

    The appeal is dismissed.

  2. Section 03

    Appeal Procedure

    The site visit was undertaken by a representative of the Inspector whose recommendation is set out below and to which the Inspector has had regard before deciding the appeal.

  3. Section 04

    Preliminary Matters

    The application was submitted retrospectively. From my site visit I saw that the rear extension included within this application has been constructed. The appeal has therefore been considered on this retrospective basis.

    It has been brought to my attention that an enforcement notice was issued against the rear extension in its current form. I have not been provided with any additional information regarding the enforcement notice, and it is not the purpose of this appeal to determine the lawfulness of the existing extension.

  4. Section 05

    Main Issue

    The main issue is the effect of the proposal on the living conditions of the occupiers of 1 [name], with particular regard to outlook.

  5. Section 06

    Reasons for the Recommendation

    The appeal property is a detached dwelling with a long rear garden. The rear building line of [address] is not consistent, with the appeal property largely in line to its neighbouring properties to the south, whilst set further forward to those to the north. Where [address] has a similarly long rear garden, 1 [name] garden is much smaller in comparison. Due to 1 [name] set back, the outlook from the garden and rear facing windows would already have been somewhat restricted by the appeal property. However, as the depth of the appeal property did not extend across the depth of the garden, some outlook would Appeal Planning Officer APP/C5690/D/25/3374666 have been maintained. Fencing and vegetation along the shared boundary provide some screening, and although 1 [name] sits slightly higher than the appeal property, this difference is marginal.

    The first-floor rear extension to the appeal property extends along almost the entire depth of the garden of 1 [name], with only small set back from the boundary. Despite the marginal elevation differences, the height of the rear extension near to the boundary introduces a substantial vertical bulk of built form. Whilst vegetation has some screening effect, the development significantly exceeds in height this boundary treatment and contributes to a confined and oppressive feel and a reduced outlook from the garden and rear kitchen window of 1 [name].

    The appeal site benefits from planning permission1 for a rear extension, wherein the first-floor and roof extension along the boundary line with 1 [name] is set back, mitigating the sense of enclosure. Although only a small addition, the current development erodes the spaciousness previously afforded, creates a sense of enclosure, and therefore exacerbates the harm to 1 [name] outlook.

    For the reasons above, I conclude the development results in harm to the outlook of 1 [name]. The development is therefore in conflict with Policy QD9 of the Lewisham Local Plan ([name] 2025), the guidance contained within the Alterations and Extensions Supplementary Planning Document ([name] 2019), and the National Planning Policy Framework which, amongst other things, seek to ensure development provides acceptable living conditions for neighbouring properties in regard to outlook.

  6. Section 07

    Conclusion and Recommendation

    For the reasons given above and having had regard to all other matters raised, I recommend that the appeal should be dismissed.

  7. Section 08

    Inspector’s Decision

    I have considered all the submitted evidence and my representative’s report and on that basis the appeal is 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 568No official casework-database value to compare
    Extracted decision date · page 1
    30 January 2026Matches the official casework database
    Extracted site visit dates
    16 December 2025 (page 1)

Reference and authority

Official identifiers and the planning authority recorded against this case.

Case reference
3374666
Application reference
DC/25/140233
Lead case reference
Not recorded
Planning authority
London Borough of Lewisham
Planning authority code
E09000023

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
Unknown
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
16 October 2025
Valid date
16 October 2025
Start date
7 November 2025
Planning authority decision date
25 July 2025
Appeal decision date
30 January 2026

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
83578
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
24 August 2026 at 16:21