City of Westminster appeal evidence
Refused over area character and appearance in City of Westminster?
Learn how roof changes, screening and commercial character featured in the selected examples.
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- Matched locally
- 43 of 85
- eligible decision families
- Allowed
- 15
- matched appeal records
- Dismissed
- 25
- matched appeal records
- Householder
- 30
- of 43 matched records
AI-assisted. Cited sources and wording were checked before publication. Based on 5 source-linked examples shown below. Review method and limits.
Planning Data area point: Westminster LPA (51.513445, −0.160438). This is the published representative point for the authority boundary, not a town hall, camera position or appeal site.
City of Westminster appeal findings
Westminster roof changes, screening and street views
Some selected examples give only conclusions. The advertising example is less comparable to a home extension.
Counted against appeals
Why Westminster roof changes caused harm
Front railings exposed terrace users
Railings close to the roof edge and visible people on the terrace made the change evident from the street and nearby buildings.
Host dwelling and terrace were not respected
The Inspector concluded that the proposal would not respect the host dwelling or the terrace as a whole in private views.
Rooftop installation caused significant harm
The Inspector concluded that the installation would cause significant harm to the character and appearance of the area.
Helped or needed
Screening and commercial character helped
Wall and planting softened extra mass
A boundary wall screened the proposal, and nearby soft landscape softened the added building mass.
Roofline and terrace were absorbed
The roofline variation and terrace were absorbed into the roofscape. The stair tower and archway would retain their primacy.
Commercial character softened conspicuous boards
Although conspicuous, the boards were not found wholly incongruous or unduly assertive in the commercial area.
Your refusal notice
Check these details
- Would front railings or terrace users be visible from streets and neighbouring buildings?
- Could walls or planting screen and soften the added building mass?
- Does the proposal respect the host dwelling and terrace roofline?
Telecommunications and advertising are edge examples for a householder refusal. These decisions do not predict another result.
Appeal evidence examples
Compare allowed and dismissed appeal reasoning
Each example separates the development, the Inspector-stated issue that selected it, and the reasoning from the decision. Compare the facts as well as the outcome: these examples do not predict how a different proposal would be decided.
Allowed appeal examples
2 examples
13 December 2021 · Allowed
Development described in the decision
construction of a single storey side extension at ground floor level, two-storey rear extension at first and second floor level, roof extension at main roof level to create a new third floor level and new private outdoor terrace, and opening up of blind window on northern elevation at first floor level, all in connection with the enlargement of the existing single-family dwellinghouse (class C3).
Issue identified by the Inspector
The main issue in this case is the effect of the proposal on the character and appearance of the area.
Paragraph 3 · Source page 2
Reasoning from the decision
Within this setting, the proposed variation in roofline, and the roof terrace would be absorbed into the roofscape, and the primacy of the stair tower and the archway would endure within the streetscene. Soft landscape elements in the vicinity would further soften the additional building mass. Also, the existing boundary wall would provide some screening and help to visually root the proposal within its environs.
Paragraph 6 · Source page 2
29 June 2026 · Allowed
Development described in the decision
display of two externally illuminated inset advertisement boards, each measuring 5.5m x 9.3m, to be integrated within the scaffold building wrap approved under application ref. 25/06861/ADV.
Issue identified by the Inspector
In the context of the above, the main issue is the effect of the proposed advertisements on the amenity of the area, having regard to the host listed building, the settings of nearby listed buildings and the character and appearance of the [address] Conservation Area.
Paragraph 8 · Source page 3
Reasoning from the decision
The proposed advertisements would undoubtedly be conspicuous within the townscape and readily apparent when viewed from adjacent public routes and buildings, particularly the south side of [address]. However, given the specific detail of the proposal, in conjunction with the area’s intrinsic commercial character and vibrant appearance and atmosphere, they would not appear as wholly incongruous nor unduly assertive, but instead designed with regard to its context. The architectural unity of the buildings within the townscape, for the most part, would be maintained, and [address] 27 would not be disrupted. On this basis, the character and appearance of the RSCA as a whole would be preserved.
Paragraph 24 · Source page 5
Dismissed appeal examples
3 examples
13 April 2022 · Dismissed
Development described in the decision
Erection of single storey extension to the side of main entrance, erection of single storey extension at rear projecting approx 0.5m from original house, raising of parapet in dormer style rooftop extension and installation of new windows to match existing style of house.
Issue identified by the Inspector
The main issue is the effect of the proposal on the character and appearance of the local area.
Paragraph 2 · Source page 1
Reasoning from the decision
To conclude, I have found that the proposal would not respect the character and appearance of the host dwelling, and as a consequence, the character of the terrace as a whole where it would be experienced in private views. Therefore, it would not meet the expectations of Policies 38 and 40 of the City of Westminster City Plan 2019 - 2040 April 2021 in their combined design and character aims and objectives.
Paragraph 15 · Source page 2
18 August 2021 · Dismissed
Development described in the decision
Rooftop telecommunications (42.6m) installation upgrade and associated works.
Issue identified by the Inspector
The main issue is the effect of the siting and appearance of the proposed development on the character and appearance of the area.
Paragraph 6 · Source page 1
Reasoning from the decision
For the reasons outlined above, the installation would cause significant harm to the character and appearance of the area. It would be contrary to Policies S25 and S28 of the Westminster City Plan (2016) and [name] 1 and DES 6 of the Westminster Unitary Development Plan (2007). Collectively, these policies require that development is of good design that conserves heritage assets, maintains the character of historic squares and streets; and for roof alterations, including telecommunications installations, should not be visually intrusive or unsightly when seen in longer public or private views from ground or upper levels.
Paragraph 12 · Source page 2
12 August 2025 · Dismissed
Development described in the decision
for a roof terrace including railings and raised decking.
Issue identified by the Inspector
The main issue is the effect of the proposed development on the character and appearance of the host property and the wider [address] Conservation Area (CA).
Paragraph 3 · Source page 1
Reasoning from the decision
The proposed roof terrace would include railings at both the front and back of the appeal property. The railings at the rear are proposed to be set further back and therefore are unlikely to be visible at street level from [address]. However, the front railings would be set close to the roof edge, and consequently would be very visible from street level at [address] North and from neighbouring properties at a higher level. People either standing or sitting on the terrace would also be very apparent from [address] North and neighbouring buildings making the change to the roof form even more evident. Therefore, the proposed roof terrace and railings would introduce a discordant feature that would disrupt the unity of the roof form of the terrace of which it forms part of and their contribution to the CA. Consequently, the proposed terrace would harm the character and appearance of the host property and the CA.
Paragraph 8 · Source page 2