Appeal 3360650
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
8 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 “retrospective planning application of the gym room outbuilding”.
Section 02
Decision
The appeal is allowed, and planning permission is granted for development described as “retrospective planning application of the gym room outbuilding” at [site address] , [name], Harrow [postcode] in accordance with the terms of the application, [name]/2920/24, subject to the following conditions:
The development hereby permitted is as shown on approved plan references: HA3 003, HA3 002 and HA3 001
The building hereby permitted shall not be used at any time other than for purposes incidental to the residential use of the host dwelling known as Number [site address] as shown on the plans hereby approved.
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 and Main Issue
The Council have an issue with the accuracy of the plans. The building has been subdivided and a second door has been installed on the front elevation. There is no compelling reason that these changes would drastically change the form and principle of the building and there is sufficient information to consider the impact the proposal would have on the character and appearance of the area. I therefore have considered the appeal on the basis of the drawings provided.
One of the reasons for refusal refers to flood risk and lack of demonstration that the development would not increase such. The Council has reaffirmed that the development is in zone 3a. The appellant has provided a map from the Environment Agency, showing it clearly to be in zone 1. In the absence of compelling information to counter, I have no reason to disagree with the appellant and have therefore not considered the matter further. Resultantly, the main issue is the effect of the building on the character and appearance of the area.
Section 05
Reasons for the Recommendation
The appeal site is a semi-detached dwelling. The outbuilding is situated to the bottom of the garden. Surrounding sites are characterised by long plots and modestly sized dwellings. Outbuildings to the rear of neighbouring properties are not uncommon and mostly obscure in the street scene. This lends a pleasant consistency to the built form of the area.
Even if the outbuilding is the larger scale stated by the Council, it sits comfortably within the plot due to the overall length and separation distance from the property. It is proportionate with the site and therefore does not compete with the dwelling. Its overall appearance is as an outbuilding aiming to be subservient. A building such as this is not an uncommon feature given the surrounding context. I am unconvinced that the building would be used for anything other than in conjunction with the dwelling. The description of development clearly states it is intended to be a gym and any deviation from this would require a separate permission. The use is reflected on the plans which have been approved above.
With this and the above in mind, the outbuilding does not harm the character and appearance of the area. Therefore, the proposal complies with Policy D3 of the London Plan 2021, Policy DM1 of the Harrow Development Management Policies Local Plan 2013, the National Planning Policy Framework 2024 and the adopted Supplementary Planning Document: [name] 2010. Together, and amongst other things, these seek to ensure that development is of a high quality and contextually appropriate design and appearance amongst other things.
Section 06
Conditions
I have not included time or materials conditions due to the retrospective nature of the scheme and my findings. I have referred to the approved plans for enforcement purposes considering the discrepancies identified. The main parties have been consulted on a condition to secure the building to be incidental. Given the current sub-division of the outbuilding, this would be necessary to affirm the proposed use.
Section 07
Conclusion and Recommendation
For the reasons set out above, the appeal scheme complies with the development plan. I therefore recommend it be allowed, subject to the above conditions.
Section 08
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 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
- 15 May 2025Matches the official casework database
- Extracted site visit dates
- 8 April 2025 (page 1)
Reference and authority
Official identifiers and the planning authority recorded against this case.
- Case reference
- 3360650
- Application reference
- PL/2920/24
- Lead case reference
- Not recorded
- Planning authority
- London Borough of Harrow
- Planning authority code
- E09000015
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
- 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
- 13 February 2025
- Valid date
- 13 February 2025
- Start date
- 7 March 2025
- Planning authority decision date
- 28 January 2025
- Appeal decision date
- 15 May 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
- 69539
- 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