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Appeal 3313926

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

for the erection of x2 rear dormers.

  1. Section 02

    Decision

    The appeal is allowed and planning permission is granted for the erection of x2 rear dormers at [site address] in accordance with the terms of the application Ref 22/01373, dated 29 April 2022 subject to the conditions set out below:

    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 complete accordance with the following approved plans: 017.1000 Rev:01 and 017.2010 Rev:P3.

    The materials to be used in the construction of the external surfaces of the development hereby permitted shall match those used as proposed to be utilised under application reference 22/00064/CPD.

  2. Section 03

    Procedural Matter

    As highlighted by both parties a hip to gable extension and single storey side and rear extensions have been approved under application references 22/0064/CPD and 22/00073/PDXL respectively. These had not been constructed at the time of my site visit. However it is not in dispute that these can be built and I note that the Council is content that the proposal, the subject of this appeal, wholly centres upon the construction of x2 rear dormers. I have amended the description of development to this, as the application form refers to dormer in the singular; and have determined the appeal on this basis.

  3. Section 04

    Main Issue

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

  4. Section 05

    Reasons

    The appeal site comprises a detached bungalow located within a residential area comprising a variety of dwelling types with some loft conversions and dormer extensions apparent within the rear garden scene. As explained above, the proposed dormers would be part of a wider scheme to convert the existing side hips on the roof to gable ends, as well as a substantial single storey flat roof extension to the rear which would be contemporary in its appearance.

    In 2020 the Council adopted a Borough-wide Design Guide (DG), Principle 10.5 of which states that roof alterations should be sympathetic and subservient to the design of the main building and not undermine the visual amenities of an area when viewed from streets and public open spaces; and all types of dormers must be set back from the side and ridgeline of the roof and not occupy more than half the width and depth of the roof slope. The proposed 2no dormers would occupy more than half the width and depth of the rear roof slope although they would be set back from the sides and ridgeline of the roof.

    Whilst in themselves the dormers collectively would be quite substantial, nonetheless I consider they need to be read in the context of the other alterations that are due to be carried out to the property; and the provision of simple fenestration to match the ground floor rear elevation as to be extended would largely form part of a coherent whole. I accept that the dormers are deep, but ultimately views of these would be limited, including from other dormers that have been constructed on dwellings that front St. [address].

    I consider that notwithstanding their overall presence within the roof space of the host dwelling, as to be extended, the dormers would not amount to poor design. Whilst it could be argued that they are not subservient, I consider them to be sympathetic and would not undermine the visual amenities of the area due to an absence of viewpoints within the public realm. I therefore find the proposal complies with Policy QP3 of the Borough Local Plan 2013 – 2033 which requires all new development to contribute towards achieving sustainable high quality design in the Borough where it achieves a number of design principles, including respecting local character of the environment, paying regard to urban grain layouts, rhythm, density, height, skylines, scale, bulk and massing.

  5. Section 06

    Conclusion and Conditions

    For the reasons set out above and having regard to all other matters raised, I conclude that the appeal should succeed.

    Other than the standard time limit condition, the Council recommends that the development is carried out in accordance with the approved plans and that materials match the existing building. As it is proposed to change the roof material, I consider it necessary to amend the reference to matching the proposed roof material pursuant to 22/00064/CPD, so as to allow consistency in the finish of the proposed works to the dwelling as a whole.

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 297No official casework-database value to compare
    Extracted decision date · page 1
    19 April 2023Matches the official casework database
    Extracted site visit dates
    27 March 2023 (page 1)

Reference and authority

Official identifiers and the planning authority recorded against this case.

Case reference
3313926
Application reference
22/01373
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
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
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
28 December 2022
Valid date
28 December 2022
Start date
10 February 2023
Planning authority decision date
10 October 2022
Appeal decision date
19 April 2023

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
31460
First seen
20 August 2026 at 14:24
Last seen
20 August 2026 at 16:26
Removed from release
Not recorded
Record created
20 August 2026 at 14:24
Record updated
24 August 2026 at 16:21