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Official casework recordDismissedCurrent release

Appeal 6002608

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

7 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

Conversion of the existing maisonette into two self-contained flats with all associated works.

  1. Section 02

    Decision

    The appeal is dismissed.

  2. Section 03

    Preliminary Matters

    The appellant has been granted planning permission to convert the existing maisonette into two self-contained flats1 . Condition number 4 imposed to the permission states that ‘You must not start work on the site until we have approved in writing appropriate arrangements to secure measures to mitigate the potential increased demand for on-street residents car parking in the vicinity of the site. You must carry out the development according to the approved arrangements.’

    The appellant has challenged this condition by way of appeal to have the condition removed as they consider it to be too onerous.

  3. Section 04

    Main Issue

    The main issue is the effect of the removal of the planning condition on parking demand within the local area.

  4. Section 05

    Reasons

    The appellant currently has access to two parking permits associated with their two bed maisonette. The Council have granted planning permission for the conversion 1 Application reference 25/03478/FULL of the maisonette into two separate self-contained flats. Consequently, this increases the number of units by one. As the proposal must be considered against the policies in the up to date local plan, and within an on-street parking-controlled area, the Council saw fit to impose Condition 4.

    The Council include in this condition the City of Westminster Plan adopted Policy 27 which encourages car-free living and the use of more sustainable modes of transport, which is necessary to reduce the number of cars, reduce congestion levels and improve air quality and road safety. Moreover, the site is located within an area with a PTAL of 6a and therefore has excellent access to public transport options.

    The appellant has received planning permission for the conversion, and this is in accordance with local policy, and despite the fact the current situation permits two parking permits for one single household, the granting of planning permission with its relevant policies must apply. I am aware from the Council’s delegated report that the appellant was fully informed of the change in circumstances at the point of approval.

    Given the six tests of paragraph 57 of the National Planning Policy Framework (the Framework) as well as the Planning Practice Guidance on the Control of Planning Conditions, I consider condition 4 to be necessary, relevant to planning and to the development permitted, enforceable, precise and reasonable in all other respects.

    Whilst the appellant argues that the two flats would be occupied by the same family members, with no increased occupancy levels who already have two parking permits, there is nothing before me to explain how these flats would not be ‘independently occupied’ by persons beyond their family unit, or that this would remain in perpetuity.

    Without sufficient details to ensure there would be no undue strain to on-street parking that the Council seeks to address by way of this condition, I am not persuaded that their personal circumstances as a family unit would give rise to justifying removing condition number 4.

  5. Section 06

    Other Matters

    This is an extant permission for a residential conversion. It was deemed to be satisfactory to the Council and therefore not within my remit to comment on this matter further.

  6. Section 07

    Conclusion

    I have considered all matters that have been raised and conclude that the proposal would conflict with the development plan as a whole and there are no other material considerations which lead me to determine the appeal otherwise than in accordance with it. Therefore, for the reasons given, 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 296No official casework-database value to compare
    Extracted decision date · page 1
    5 May 2026Matches the official casework database
    Extracted site visit dates
    9 April 2026 (page 1)

Reference and authority

Official identifiers and the planning authority recorded against this case.

Case reference
6002608
Application reference
25/03478/FULL
Lead case reference
Not recorded
Planning authority
City of Westminster Council
Planning authority code
E09000033

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
Not recorded
Appeal reason
granted
Type detail
Planning Appeals - Full
Jurisdiction
No Jurisdiction Associated
Link status
Not recorded

Site and development

Published appeal-site measurements and planning designations, without the withheld precise location fields.

Site area
0 hectares
Floor space
240 m²
Number of residences
1
Site in Green Belt
No
Agricultural holding
No
Affects setting of a listed building
Yes
Historic building grant made
Not recorded
Relates to a conservation area
Not recorded
Flooding is an issue
Not recorded
Site within an AONB
No
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
15 December 2025
Valid date
29 December 2025
Start date
20 January 2026
Planning authority decision date
16 July 2025
Appeal decision date
5 May 2026

Case administration

Published recovery, call-in, costs and enforcement information for this case.

Redetermined
Not recorded
Bespoke
Not recorded
Date recovered
Not recorded
Date not recovered or derecovered
Not recorded
Call-in date
Not recorded
Costs applied for
No
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
Back Office-s78
Dataset status
Current release
Catalogue record ID
88249
First seen
20 August 2026 at 14:25
Last seen
20 August 2026 at 16:29
Removed from release
Not recorded
Record created
20 August 2026 at 14:25
Record updated
20 August 2026 at 16:29