Appeal 3355242
Public case and site metadata stored from the official casework database, including fields that were empty in the source release.
A clearer next step
See how Inspectors approached issues like yours
Bring your planning decision into a private workspace. We separate the disputed points, then match them with source-located Inspector reasoning from similar appeals.
- See which issues the decision appears to turn on
- Compare the facts and open the full appeal records
One private comparison
How the refusal review worksOne-off service · No subscription
Similar appeals are evidence to inspect, not a prediction of your outcome.
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
the demolition of existing rear conservatory and construction of double storey side extensions, single storey side and rear extension, single storey front porch extension and renovation of existing property to alter materials.
Section 02
Decision
The appeal is dismissed
Section 03
Procedural Matter
The National Planning Policy Framework was revised in December 2024 but its contents do not alter the assessment of this appeal.
Section 04
[name]
It is considered that the main issues are the effect of the proposed development on (a) the character and appearance of the surrounding area, in particular the streetscene, and (b) a protected species.
Section 05
Character and Appearance
The appeal property is an altered 2-storey detached dwelling occupying a corner plot situated within a predominately residential area within which there are a mix of dwelling types and sizes. As identified by the appellant, there are variations in the design of the dwellings, their orientation to the roads and choice of external materials, including brick, render and boarding. Some of the dwellings have been altered with side extensions. There is no cohesive character or appearance associated with the design of the surrounding dwellings. However, the dwellings possess gable and hipped roofs and are set back a similar distance from the footways to the rear of front gardens. These gardens are variously landscaped and used for off-street parking.
The proposed development includes the erection of what would appear to be 2-storey extensions either side of the host property when viewed from [address]. One extension would replace a detached garage and the second would be a first floor extension erected above existing single storey additions. At the rear a single storey extension would replace, in part, a conservatory. From the road, and taking into account the choice of external materials, the resulting property would have the appearance of a new dwelling and this appeal has been assessed on this basis.
The scale and massing of the resulting property would be visually and physically larger than other dwellings fronting [address]. However, it would not appear a cramped form of development because the size of this corner plot is larger than the curtilages of the other dwellings. Although a porch is proposed, there would remain a similar relationship between the resulting property and the footway as other dwellings fronting [address]. The use of the front garden for parking would replicate the situation at other dwellings fronting the road. Overall, the rhythm and appearance of the streetscene along [address] would not be materially harmed by the appeal scheme.
By reason of the design, the resulting property would have a double fronted appearance with a central element with a gable roof facing towards the road and the side extensions possessing hipped roof forms. The eaves of these extensions would face the road. Although there are examples of extended dwellings with a mix of gable and hipped roof forms, no double fronted dwellings were observed during the site visit. However, because of the property’s location on a corner plot and the variation in the design of the surrounding dwellings, the appeal scheme would not result in an incongruous form of development which would fail to respect the general character and appearance of this residential area.
As already noted, there are a variety of external materials present within the surrounding area. The proposed cedar cladding, render and concrete tiles would be sympathetic to these other dwellings and, although sited on a corner plot, would not result in the extended property being a particularly conspicuous form of development which would fail to assimilate into the prevailing character and appearance of the streetscene along [address]. Further, by reason of its modest scale, the proposed crown roof element would not be a particularly noticeable feature when viewed from the adjacent roads. The overall height of the resulting property would be similar to the surrounding 2-storey dwellings.
Accordingly, it is concluded that the proposed development would not cause unacceptable harm to the character and appearance of the surrounding area, in particular the streetscene, and, as such, it would not conflict with Policy QP3 of the Borough Local Plan 2013-2033 (LP) and Policy NP/DG2 of the Ascot, Sunninghill and Sunningdale Neighbourhood Plan. Amongst other matters, these policies require development to demonstrate that it would respect and not harm local character, including by reason of layout, rhythm, density, height, scale, bulk and materials.
Section 06
[name]
As part of the appeal, a Preliminary Bat Roost Assessment has been submitted by the appellant which identifies that both the property and the surrounding area offer a value to bats. The Assessment also identifies that there is no firm evidence of bats being present at the property during the survey but there are potential opportunities for bat roosting to occur within its roof. Although it might be a low value opportunity, the Assessment recommends that an emergence survey should be undertaken to rule out or confirm bat activity. In the absence of any recommended emergence survey information about the presence or not of this protected species and any associated level of activity, it is not possible to ascertain the likely impact, if any, on bats.
Having had regard to the duties under Regulations 9(1) and 9(3) of the Conservation of Habitats and Species Regulations 2017 (as amended) (the Regulations) and the three tests in Article 16(1) of the [name], there is no certainty that a licence would be issued by Natural England for the proposed development works which might affect bats. Therefore, and in the absence of being able to identify potential levels of bat activity and any necessary mitigation, it is not possible to be satisfied that the imposition of the condition suggested by the council would be appropriate in this case because there is no certainty that no adverse harm would be caused to a protected species.
In the absence of the required evidence, it is concluded that the proposed development could cause unacceptable harm to a protected species and, as such, there would be a conflict with LP Policy NR2 which refers to protected species and their habitats being safeguarded from harm or loss.
Section 07
Conclusion
Although the proposed development would not cause unacceptable harm to the character and appearance of the surrounding area, in particular the streetscene, this matter is demonstrably outweighed by the unacceptable harm which could be caused to a protected species. Accordingly, it is concluded that this 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 1351No official casework-database value to compare
- Extracted decision date · page 1
- 10 February 2025Matches the official casework database
- Extracted site visit dates
- 21 January 2025 (page 1)
Reference and authority
Official identifiers and the planning authority recorded against this case.
- Case reference
- 3355242
- Application reference
- 24/01597
- 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
- 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
- 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
- 8 November 2024
- Valid date
- 8 November 2024
- Start date
- 26 November 2024
- Planning authority decision date
- 10 September 2024
- Appeal decision date
- 10 February 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
- 64327
- 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