Appeal 3352570
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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
No verified development description has been extracted from an official decision PDF yet.
Section 02
Decision
The appeal is allowed, and Planning Permission is granted for the erection of an outbuilding, at [site address] , TW18 1EPT, in accordance with the terms of the application 24/00824/RVC without compliance with condition 3 previously imposed on planning permission 18/00848/HOU and subject to the following conditions: -
That no further openings of any kind be formed in the rear or side elevations of the outbuilding hereby permitted without the prior written consent of the Local Planning Authority.
The proposed building hereby permitted shall not be occupied at any time other than for purposes ancillary to the residential use of the main dwelling.
Section 03
Main Issue
The main issue is whether the conditions are necessary and reasonable, and the effect that removing or varying the conditions would have on the character of the area and the living conditions for the occupiers of the neighbouring properties.
Section 04
Reasons
Planning permission was granted for the outbuilding in 2018 (Council reference with 18/00848/HOU). From the information before me, it is not clear what the building was originally used for. Prior to that approval, certificates of lawful use were refused in relation to an outbuilding being used for a gym, and ancillary accommodation.
The appeal property comprises a semi-detached house with the outbuilding sited to the rear of the garden extending across the full width. It is a single-storey, flat roof structure. Internally, it is primarily a single space with an enclosed bathroom. There are kitchen facilities along one side comprising cupboards, sink, fridge and a washing machine, but no installed cooking equipment. To the front elevation, to the garden, is the entrance door and two windows.
The proposed variation to the conditions is to enable the outbuilding to be used as an annexe to be occupied by the appellant’s family. The Council argue that it is a separate unit of habitable accommodation which is unacceptable in this location.
I accept that with the addition of cooking facilities the building could provide all of the facilities necessary for day-to-day living. However, this in itself does not necessarily mean it is a separate dwelling, as noted by the case law cited by the appellant1 it is a matter of fact and degree.
The outbuilding has no physical connection to the host property, but they share services and utilities, they directly face each other with intervening garden space. There is no separate access to the outbuilding and whilst the Council referred to a side gate, there is a garage structure and extension to the side of the property, and on my site visit, access was through the house. The outbuilding is a subservient structure to the main house, and the appellant explains that there would be a functional connection between the two with the occupants engaging in activities in the main house. Consequently, I am satisfied that the operation of the site could continue as a single residential unit with the annexe being an integrated part.
The Council indicate that the outbuilding was being marketed to be rented out as a residential studio. I have not been provided with any evidence, but in any event, that is not what is sought. The proposed variation to condition 2 would maintain the provisions that it is not used as separate habitable accommodation but allows for an ancillary rather than incidental use. The appellant has also referred to a number of Council’s decisions where the wording ‘ancillary’ has been used in the conditions. Whilst similar, incidental, does not allow for ‘annexe type’ accommodation. Moreover, if used as a separate dwelling, it would be a material change of use requiring a separate grant of planning permission. Therefore, there would be a number of safeguards against its use as independent accommodation, which both parties, and I agree, would not be appropriate for the site or locality.
It is an existing building, and the external appearance would remain the same. Neighbouring properties have outbuildings of a variety of sizes in their gardens, and it is not visible from the road. The use may alter the regularity or the timings of people moving between the two buildings, although the occupiers would be part of a single household. The distance across the garden, which has boundary treatments and vegetation, is limited. The Council have not provided any evidence which demonstrates the additional kitchen facilities would generate a particular harm other than the concerns relating to being a separate dwelling.
From my observations on site and the information before me, there is nothing to suggest that the level of noise or disturbance would be substantially different to the 1 [name] v SSE & White [1992] existing use or that would be reasonably experienced in a residential area. As such, I do not find that there would be significant harm to the neighbouring occupiers or that there would be a change to the character and appearance of the area.
Section 05
Conditions
As set out in paragraph 57 of the National Planning Policy Framework planning conditions should be kept to a minimum and only imposed where they are necessary, relevant to planning and to the development to be permitted, enforceable, precise, and reasonable in all other respects.
In light of my findings above I am satisfied that the revised wording to condition (2) and the deletion of condition (3) would not lead to material harm or conflict with the policies EN1 or EN11 of the [name] and [name] (2009), regarding residential amenity including noise, and respecting the character of the area. I, therefore, do not consider that they are necessary
The Planning Policy Guidance makes clear that decision notices for the grant of planning permission under section 73 should also restate the conditions imposed on earlier permissions that continue to have effect. I shall impose those that I consider remain relevant.
Section 06
Conclusion
For the reasons outlined above and having regard to the development plan and other material considerations, a new planning permission is granted. The disputed condition 2 is revised to refer to an ancillary use and condition 3 is deleted. Accordingly, the appeal is allowed.
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 362No official casework-database value to compare
- Extracted decision date · page 1
- 17 February 2025Matches the official casework database
- Extracted site visit dates
- 31 January 2025 (page 1)
Reference and authority
Official identifiers and the planning authority recorded against this case.
- Case reference
- 3352570
- Application reference
- 24/00824/RVC
- Lead case reference
- Not recorded
- Planning authority
- Spelthorne Borough Council
- Planning authority code
- E07000213
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
- 2. Refused permission to vary or remove a condition(s)
- Appeal reason
- Appeal Against Conditions
- 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
- 32 m²
- 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
- 25 September 2024
- Valid date
- 25 September 2024
- Start date
- 11 October 2024
- Planning authority decision date
- 9 September 2024
- Appeal decision date
- 17 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
- 64722
- 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