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Official casework recordAllowedCurrent release

Appeal 3368869

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

a loft conversion to include 1no rear dormer, 3no. rooflights to front and 1no. rooflight to side elevation.

  1. Section 02

    Decision

    The appeal is allowed, and planning permission is granted for a loft conversion to include 1no rear dormer, 3no. rooflights to front and 1no. rooflight to side elevation at [site address] , Maidenhead, Windsor and Maidenhead [postcode] in accordance with the terms of the application, Ref 25/00721/FULL, subject to the following 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 drawing numbers: 2025-01-6003/12, 2025-01-6003/13, 2025-01-6003/14, PP- 13871905v1.

  2. Section 03

    Appeal Procedure, [name] & Main Issue

    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.

    The description on the decision notice differs from the application form. However, I am satisfied that the latter sufficiently describes the development. In addition, the Council has raised no objections to the proposed rooflights, and I have no reason to disagree. My recommendation therefore focusses on the rear dormer and specifically its effect on the character and appearance of the area.

  3. Section 04

    Reasons for the Recommendation

    The appeal building is a two-storey semi-detached dwelling which has been previously extended. The adjoining neighbour has started the construction of a rear dormer. The surrounding area is relatively uniform in terms of the semi-detached dwellings which are relatively unaltered and symmetrical. Any instances of extensions are to the rear and to the loft which are generally subservient. These features in combination lend a pleasant consistency to the built form contributing positively to the character and appearance of the area.

    The Council rely heavily on the Borough Wide Design Guide (DG) which focusses on quality in the design of new buildings and alterations thereto explaining, amongst other things, that dormers should reflect a subservient addition to the roof. Whilst the proposed dormer would cover a large amount of the roofscape, its overall scale and set in from the sides and the ridgeline reflect a subservient addition. A matter highlighted by the size and position of the proposed windows which follow a traditional reducing hierarchy upwards on the rear elevation.

    A sufficient amount of existing roofline would remain exposed, which means the dormer would not be visually dominant and whilst the proposals would not reflect the prevailing plain local roofscapes, it would reinstate the symmetry and reintroduce the consistency of the two adjoined buildings. The material choice, whilst is not commonly seen within the street scene, would sit comfortably with its context and would not detract from the wider character, particularly given its limited public obviousness.

    With these matters in mind, the proposal would not harm the character and appearance of the area. It would therefore comply with Policy QP3 of the Windsor and Maidenhead Borough Local Plan 2023, section 12 of the National Planning Policy Framework and the DG which, amongst other things, seek to ensure that development proposals are of a high-quality design and standard.

  4. Section 05

    Conditions

    The standard time limit condition and reference to the approved plans are necessary for enforcement purposes. As the plans clearly illustrate the proposed materials, it is not necessary to impose a separate condition securing them. The Council has not recommended any additional conditions, and I have not considered any others to be required.

  5. Section 06

    Conclusion and Recommendation

    For the reasons set out above, the appeal scheme would comply with the development plan. I therefore recommend it be allowed, subject to the conditions set out.

  6. Section 07

    Inspector’s Decision

    I have considered all the submitted evidence and my representative’s report and on that basis the appeal is allowed, and planning permission is granted, subject to the conditions set out above.

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 1895No official casework-database value to compare
    Extracted decision date · page 1
    9 September 2025Matches the official casework database
    Extracted site visit dates
    12 August 2025 (page 1)

Reference and authority

Official identifiers and the planning authority recorded against this case.

Case reference
3368869
Application reference
25/00721/FULL
Lead case reference
Not recorded
Planning authority
Royal Borough of Windsor and Maidenhead
Planning authority code
E06000040

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
Allowed
Decision category
Allowed
Received date
7 July 2025
Valid date
10 July 2025
Start date
10 July 2025
Planning authority decision date
13 May 2025
Appeal decision date
9 September 2025

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
76035
First seen
20 August 2026 at 14:25
Last seen
20 August 2026 at 16:28
Removed from release
Not recorded
Record created
20 August 2026 at 14:25
Record updated
24 August 2026 at 16:21