Appeal 3274797
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
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
the change of use from C3 dwelling house to 6-bed C4 house in multiple occupation.
Section 02
Decision
The appeal is dismissed.
Section 03
Preliminary Matters
I note the previous dismissed appeal for this address, reference APP/D1780/W/20/3251428. This includes an assessment of neighbour living conditions as a result of noise and disturbance from the proposal for a 7-bed House of [name] (HMO). This appeal relates to an approved planning application for a 6-bedroom HMO. Due to the similarities the previous appeal is relevant and a material consideration.
The appeal is against the imposition of Condition 5 only, which relates to the requirement for the appellant to install party wall sound proofing insulation and provide evidence of its completed installation. It is apparent that this condition was primarily to protect the living conditions of occupiers of the adjoining neighbouring house at No [address].
Section 04
Main Issue
The main issue is whether the condition is necessary and reasonable to protect the living conditions of the occupier of No [address].
Section 05
Reasons
The approved planning application results in permission for the dwelling to be used as a 6-bedroom HMO. As set out with the previous appeal, a conversion of a single dwelling house to a HMO would likely give rise to a level of general noise and disturbance, due to the intensity of residential use, that would be disruptive, particularly to the occupiers of [address] and their living conditions. This would be the case even with this being for a 6 rather than 7- bedroom HMO. This is because the level of activity would be more intensive than that which would be expected if associated with a single house, even if occupied by a larger intergenerational family, for example.
Indeed, to address the issue the approved plan submitted by the appellant shows 30mm ‘[name] panels “to reduce sound transmission”. This is not shown on the plans to be included only if sound testing from within No 25 shows it as being necessary.
I acknowledge the appellant’s comments regarding the thickness of the walls and there not being a formal noise complaint, but I also recognise that the neighbour has claimed that noise has already been a significant issue for them, and I have no reason to consider their comments as false or exaggerated in these circumstances. It may be that the current occupants are not particularly noisy, but this may not always be the case. Furthermore, the fact that there would be six bedrooms occupied in the HMO, who are likely to lead relatively independent lives, means that the increase in activity generally would make the sound proofing necessary.
From the evidence before me I conclude that the party wall sound proofing insulation is reasonably necessary to protect the living conditions of the neighbouring occupiers at No 25 to an acceptable level. As such, condition 5 as set out above meets with the five tests of the National Planning Policy Framework, paragraph 56, being necessary to safeguard acceptable levels of living conditions for the occupiers of No 25. The cost and inconvenience of the sound proofing is recognised, but this is not sufficient reason in these circumstances to delete the condition.
The condition in dispute therefore meets the tests set out in the Framework and is also necessary to make the development acceptable, in accordance with policies such as Saved Policy SDP1, which requires that new developments do not unacceptably affect the health, safety and amenity of the city and its citizens, amongst other things.
I recognise that the appellant may not be in compliance with the condition with regards the timings for the required installation of sound proofing, but this is for the appellant to discuss with the Council as to a way forward on this matter.
Section 06
Conclusion
For the reasons given I conclude that 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 223No official casework-database value to compare
- Extracted decision date · page 1
- 22 October 2021Matches the official casework database
- Extracted site visit dates
- 13 September 2021 (page 1)
Reference and authority
Official identifiers and the planning authority recorded against this case.
- Case reference
- 3274797
- Application reference
- 21/00263/FUUL
- Lead case reference
- Not recorded
- Planning authority
- Southampton City Council
- Planning authority code
- E06000045
Casework details
The casework, procedure, development and linking details supplied by the official record.
- Casework type
- Planning Appeal
- Procedure
- Written Representations
- Development type
- Change of use
- Appeal type reason
- 4. Grant planning permission for the development subject to conditions to which you object
- Appeal reason
- Appeal Against Conditions
- Type detail
- Planning Appeals - Other
- Jurisdiction
- Transferred
- Link status
- Not Linked
Site and development
Published appeal-site measurements and planning designations, without the withheld precise location fields.
- Site area
- 0.1 hectares
- 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
- 11 May 2021
- Valid date
- 11 May 2021
- Start date
- 16 July 2021
- Planning authority decision date
- 21 April 2021
- Appeal decision date
- 22 October 2021
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
- 5001
- First seen
- 20 August 2026 at 14:24
- Last seen
- 20 August 2026 at 16:25
- Removed from release
- Not recorded
- Record created
- 20 August 2026 at 14:24
- Record updated
- 24 August 2026 at 16:21