Appeal 3295327
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Official decision document
The decision, section by section
10 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
described as ‘Erection of a detached garage following demolition of existing garage’.
Section 02
Decision
The appeal is dismissed.
Section 03
Preliminary Matters
Policy GB2 of the Local Plan that was referred to by the Council has been superseded by policies from the Borough Local Plan 2013 – 2033 (adopted 2022), (‘Borough Local Plan’), which was adopted since the appeal was submitted. However, the Council’s decision also gave weight to the relevant emerging Policy QP5 of the Borough Local Plan, citing it in its reason for refusal.
Main parties within their appeal evidence have also acknowledged that the merits of their case remain applicable in the context of the newly adopted Borough Local Plan and relevant sections of the National Planning Policy Framework (the Framework). No party has therefore been prejudiced by this change in policy circumstances.
Section 04
[name]
The main issues are: • Whether the development would be inappropriate development in the Green Belt having regard to the Framework and any relevant development plan policies; • The effect of the development on the openness of the Green Belt; and • Whether the harm by reason of inappropriateness would be clearly outweighed by other considerations so as to amount to the very special circumstances required to justify the proposal.
Section 05
Whether inappropriate development
The Framework identifies that the fundamental aim of Green Belt policy is to prevent urban sprawl by keeping land permanently open. It goes on to state that inappropriate development is, by definition, harmful to the Green Belt and should not be approved except in very special circumstances. The Framework further establishes that the construction of new buildings in the Green Belt should be regarded as inappropriate, subject to a number of exceptions as set out in paragraph 149. Policy QP5 of the Borough Local Plan also follows the approach of the Framework.
Paragraph 149 d) of the Framework is of most relevance to the appeal scheme. It provides an exception for the replacement of a building provided that it is in the same use and is not materially larger than the one it replaces. The existing garage to be replaced is of a small scale with a footprint of 13sqm, whereas the footprint of the proposed garage would be more than double in size. The proposal is also taller in height and has a significantly greater volume than the existing garage. As such, the development would result in a materially larger building.
For these reasons, the appeal proposal would be inappropriate development in the Green Belt which is, by definition, harmful. It would therefore conflict with Policy QP5 of the Borough Local Plan, and the associated aims of the Framework.
Section 06
Openness
Openness is an essential characteristic of the Green Belt that has spatial as well as visual aspects. The appeal proposal would increase the volume, height and massing of the existing building and in doing so would result in a harmful loss of openness. Whilst this would be limited given the overall scale of the proposal, the Framework establishes that any harm to the Green Belt should be given substantial weight.
Section 07
[name]
Several other considerations have been put forward by the appellant. It is highlighted that the appeal proposal would result in the demolition of two outbuildings from different areas of the property’s curtilage. It is therefore suggested that the proposal would only result in a relatively minor increase in total built development at the site. Additionally, the scheme would reduce the spread of development across the appeal site.
However, on my site visit it was evident that one of the buildings (a summerhouse) proposed to be demolished as part of the appellant’s case for very special circumstances had already been removed. As such, I have given this stated benefit very little weight.
The appellant also refers to a position stated by the Council in respect of allowing extensions to dwellings in the Green Belt that are up to a 50% larger than the original building size. I appreciate that extensions to existing dwellings at this order of size are sometimes considered to comply with the exception at paragraph 149 c) of the Framework. However, this exception requires such extensions to not result in ‘disproportionate additions’ over and above the size of the original building. I consider this to be a very different test from a replacement building not being ‘materially larger’. Little weight is therefore given to this line of argument from the appellant.
The evidence also informs of a potential fallback position of a significantly larger double garage and associated driveway that is capable of being developed under permitted development rights (PDR). A certificate of lawfulness has recently been granted (ref: 22/00784) that verifies these work can be lawfully carried out under PDR.
Despite this, I have serious doubts as to whether the alternative arrangement would be implemented. The fallback option is in a completely different part of the site and would require a vehicle access route to be created within the rear garden. The access route as shown would conflict with areas of established landscaping, including what appears to be a recently built area of seating. The fallback garage is also shown to be sited in an area where a rather attractive pergola, seating area and associated landscaping has been built. Furthermore, the garage’s size and position in relation to the dwellinghouse and external amenity space is somewhat more intrusive than the appeal proposal. [name] am not convinced that the fallback option is likely to come forward, I have attributed it only limited weight.
Section 08
Other Matters
In confirming the status of the adopted Borough Local Plan, the Council has also referred to Policy QP3 as being relevant to the proposal. This is a general design policy that set out various principles to promote high quality design in new developments. The Council’s case highlighted that the proposed design of the development would be an improvement on the existing building. Its reason for refusal therefore only related to the proposal being inappropriate development in the Green Belt. Likewise, from the evidence before me I am satisfied that the proposals would be of an appropriate character and appearance, notwithstanding the impacts on Green Belt openness. As such, I am satisfied there would be no conflict with Policy QP3 of the Borough Local Plan.
Section 09
Green Belt Balance
The proposal is inappropriate development in the Green Belt that would result in a small loss of openness. The inappropriateness and the harm to openness carry substantial weight. The Framework establishes that development should therefore not be approved except in very special circumstances. Very special circumstances will not exist unless the harm to the Green Belt is clearly outweighed by other considerations.
Overall, I find that together the matters that the appellant has put forward do not amount to very special circumstances that are needed to justify inappropriate development in the Green Belt.
Section 10
Conclusion
For the reasons outlined above, 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 2658No official casework-database value to compare
- Extracted decision date · page 1
- 22 July 2022Matches the official casework database
- Extracted site visit dates
- 8 July 2022 (page 1)
Reference and authority
Official identifiers and the planning authority recorded against this case.
- Case reference
- 3295327
- Application reference
- 21/03605/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
- 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
- Yes
- 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
- 22 March 2022
- Valid date
- 19 April 2022
- Start date
- 6 May 2022
- Planning authority decision date
- 7 February 2022
- Appeal decision date
- 22 July 2022
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
- 18228
- 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