Appeal 3359707
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Official decision document
The decision, section by section
9 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 ground floor single-storey rear extension with internal alterations.
Section 02
Decision
The appeal is dismissed.
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.
Section 04
Preliminary Matters
Under Article 3(1) and Schedule 2, Part 1, Class A of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) (the GPDO), planning permission is granted for the enlargement of a dwellinghouse subject to limitations and conditions.
Where an application is made for a determination as to whether prior approval is required for development which exceeds the limits in paragraph A.1(f) but is allowed by paragraph A.1(g) to Part 1, paragraph A.4(3) provides that the local planning authority may refuse the application where it considers that the proposed development does not comply – or that the developer has provided insufficient information to enable the authority to establish whether the proposed development complies with the conditions, limitations or restrictions that are applicable to such permitted development.
Section 05
Main Issue
The main issue is whether the proposed development would be granted planning permission by Article 3, Schedule 2, Part 1, Class A of the GPDO.
Section 06
Reasons for the Recommendation
There is no dispute between the parties that the proposed extension would comply with the limitations and restrictions in paragraph A.1 other than in relation to Appeal Planning Officer APP/L3625/D/25/3359707 paragraphs A.1(j) and A.1(ja). From the evidence before me, I see no reason to disagree in relation to the undisputed paragraphs. Therefore, my assessment will focus on the paragraphs in dispute.
[name].1(j) of Class A of the Order outlines that development is not permitted by Class A if, amongst other things, the enlarged part of the dwellinghouse would extend beyond a wall forming a side elevation of the original dwellinghouse and would have a width greater than half the width of the original dwellinghouse. [name].1(ja) deals with the situation where a property has already been enlarged and sets out that development is not permitted if any total enlargement exceeds, or would exceed, the limits set out in sub-paragraphs (e) to (j).
The Government’s Technical Guidance provides guidance on interpretation of the GPDO. It states that “a wall forming a side elevation of a house will be any wall that cannot be identified as being a front wall or a rear wall. Houses will often have more than two side elevation walls.”
For the purposes of interpreting the GPDO, Article 2(1) sets out that in relation to a building other than those on Crown land, the term ‘original’ means a building as it existed on 1 July 1948 where it was built before that date, or if built on or after that date, then as so built. The dispute between the parties relates to whether the utility room, located to the side of the appeal property, was part of the original dwellinghouse or was a later enlargement of the property.
The appellant has submitted a block plan that has been annotated to show the outline of the original dwellinghouse as they understand it. This plan shows that the utility room steps in from the rear wall of the property, leaving a shallow wall on the side of the building. This is also shown on the existing floor plans. I was able to see this stepped arrangement on site.
What constitutes a ‘side elevation’ for the purposes of the Order is a matter of fact and degree, and a very short and/or shallow wall could constitute a side elevation. In this case, I am satisfied that, although shallow, this side return creates a wall that is a side elevation of the original dwellinghouse.
The proposed extension is clearly shown on the plans to wrap around this rear corner slightly, rather than follow the line of the main rear wall of the dwelling. Consequently, even if the utility room was part of the original dwellinghouse, as the appellant contends, the proposed development would still extend beyond a side wall of the original dwellinghouse and would have a width greater than half the width of the original dwellinghouse.
I note that the Deeds provided by the appellant appear to show the rear elevation of the dwelling and utility room as a straight line. However, the scale of that drawing is such that it could not show the level of detail provided on the submitted plans. Therefore, this document does not change my finding having regard to the submitted plans and my observations on site.
Given my conclusion in relation to the side elevations, it is not necessary for me to reach a firm finding on whether the utility room is original or not. If the utility room is original, the extension would not accord with limitation A.1(j) of Class A. If it is not original, then the totality of the enlargements would not accord with A.1(j) and therefore A.1(ja). Consequently, in the development would not be granted planning permission by Article 3, Schedule 2, Part 1, Class A of the GPDO. Appeal Planning Officer APP/L3625/D/25/3359707
Section 07
Other Matters
The appellant has referred to benefits of larger home extensions, including adding value to existing housing stock and providing opportunities to local business and labour resource. These are not however matters I can consider in this type of prior approval appeal as there is no provision for any type of balancing exercise under this procedure.
Section 08
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.
Section 09
Inspector’s Decision
I have considered all the submitted evidence and my representative’s report and agree with the reasoning and recommendation. 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 133No official casework-database value to compare
- Extracted decision date · page 1
- 4 July 2025Matches the official casework database
- Extracted site visit dates
- 30 June 2025 (page 1)
Reference and authority
Official identifiers and the planning authority recorded against this case.
- Case reference
- 3359707
- Application reference
- 24/02252/PDE
- Lead case reference
- Not recorded
- Planning authority
- Reigate and Banstead Borough Council
- Planning authority code
- E07000211
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
- 3. Refused prior approval of permitted development rights
- 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
- 20 m²
- 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
- 28 January 2025
- Valid date
- 28 January 2025
- Start date
- 7 February 2025
- Planning authority decision date
- 14 January 2025
- Appeal decision date
- 4 July 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
- 72385
- 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