Knights House, Hortensia Road, London, SW10 0QT Data via plota.co.uk

PP/25/04801 - Planning Permission Approved
Extensions & alterations

Proposal

Removal of existing flat roof coverings down to original asphalt substrate across main flat roof areas, tank room roof, and pram/bin store roofs and replacement with new high-performance single-ply membrane system increasing finished roof level by up to 150mm. Installation of GRP (Glass Reinforced Plastic) edge trim to terminate new coverings and overlap existing perimeter coping stones by approximately 25mm. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
30 Oct 2025
✓
Approved
28 May 2026

Approved on 28 May 2026 · Last checked 22 Oct 2026

Planning committee

Decided by Kensington and Chelsea Planning Applications Committee on 26 May 2026.

Approved unanimously

As officers recommended.

  • Officers advised approval because the roof works would have minimal visual impact and no additional effects on neighbours, flooding or fire safety.
  • No consultation responses were received and nobody spoke at the meeting.
  • The committee voted unanimously to grant permission with conditions.
Read how the committee decided The proposed roof works, site context, officers’ assessment, consultation, committee vote and decision.

Source: Plota analysis of Kensington and Chelsea's committee minutes of 26 May 2026.

Documents

View the documents on the council's website ↗

Site constraints 10

Article 4 direction
Article 4 - No 100. Named permitted development rights are withdrawn here.
An Article 4 direction withdraws particular permitted development rights, so work that would normally need no application needs one here. Not every council has published its directions.
In flood zones plus climate change
Inside the extent flood zones 2 and 3 could reach with climate change: the Central allowance for the 2080s on rivers, the Upper End allowance for sea level rise to 2125. From the sea. Defences are not counted.
The Environment Agency flood map for planning. Councils use it to decide when a flood risk assessment and the sequential test are needed. It is indicative and does not show whether a particular property will flood.
Flood map ↗
Air quality management area: Kensington and Chelsea AQMA
The council has declared the area as failing an air quality objective.
Schemes that add traffic, parking or combustion plant are assessed against the area's action plan and may need an air quality assessment.
Council record ↗
National infrastructure project about 51 m away: Thames Tideway Tunnel
The site is about 51 m from the project boundary. Waste water treatment, decided. The project page says whether consent was granted. Also within 2 km: London Strategic Heat Main Project (at pre-application, about 1656 m).
Nationally significant infrastructure projects (power stations, electricity lines, pipelines, major roads and railways, harbours, airports and reservoirs) are consented by a Secretary of State under the Planning Act 2008, after an examination by the Planning Inspectorate, rather than by the council. The boundary is the one the Inspectorate consults on and can change as the scheme does. Projects are shown within 2 km of the site.
Planning Inspectorate project page ↗
Conservation area about 16 m away: Sloane/Stanley
The edge of the area; work outside it can still affect its setting.
The council must give weight to preserving or enhancing the area's character and appearance. Not every council has published its boundaries as open data.
Council document ↗
4 listed buildings within 150 m of the postcode pin
Nearest: Carlyle Building at the Hortensia Road Centre, Grade II, about 48 m from the postcode pin · 1 Grade II*, 3 Grade II
The site itself is not listed. Listed building consent is needed for work that affects the special interest of a listed building, inside or out, on top of planning permission. Setting can be a consideration for buildings nearby; there is no fixed radius.
Show all 4 with distances
Historic England ↗
Also on the record
Registered park or garden about 217 m away: Brompton Cemetery; Tree preservation order about 16 m away; Inside the Kensington and Chelsea built-up area; Public transport access: PTAL 3 (moderate), TfL 2023, for the 100 m square.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 6 October 2026. The pin for this application is the centre of its postcode rather than the building, so distances to nearby designations are measured from the postcode and can be out by the width of the postcode area. Historic England, the Environment Agency, Natural England, the Planning Inspectorate, Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.

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Important details

Council
Kensington and Chelsea
Application type
Planning Permission
Postcode
SW10 0QT
Received
30 Oct 2025
Validated
30 Oct 2025
Ward
Stanley
Case officer
Show
Target decision
25 Dec 2025
Decision
Granted
Decision date
28 May 2026
Applicant
Show

How this decision compares

Decided in 210 days from validation, 127 days slower than Kensington and Chelsea's median of 83 for extensions. Approved, as 95% of extensions here are.

33%decided within 8 weeks
95%approved
1,441decided in the last year

Plota live figures for extensions decided by Kensington and Chelsea in the last twelve months, from validation. Kensington and Chelsea decision record →

Consultation & key dates

Comments by
10 Apr 2026

Historical activity at this location

27 previous applications on record - archival context, not part of the live application.

This property

Previous applications at this address

2025 Withdrawn
Removal of flat roof coverings down to original asphalt substrate across main flat roof a…
CL/25/03308
2021 Approved
Prune 1 x Maple (front)
ARB/21/03429
Within ~100m

Nearby activity

2025 Approved
2 Tadema Road, London, SW10 0NU
Replacement of single-glazed timber sash and external rear timber door with heritage styl…
PP/25/05602
2025 Approved
Basement Flat, 40 Gunter Grove, London, SW10 0UJ
Construction of single storey rear extension.
PP/25/00845
2025 Approved
Kingsgate House, 536 King's Road, London
Continued display of two advertisements as part of a scaffold screening shroud. Renewal o…
CA/25/01134
2025 Approved
34 Gunter Grove, London, SW10 0UJ
Prune 1 x Sycamore (T1)(Acer pseudoplatanus) in rear garden.
ARB/25/01231
2024 Approved
517 King's Road, London, SW10 0TX
Demolish existing courtyard boundary walls and rebuild to same perimeter in London stock…
PP/24/06950
2024 Approved
Flat C, 45 Gunter Grove, London, SW10 0UN
Replacing front first floor windows from white metal frames with double glazing to white…
PP/24/06811
2024 Approved
503 King's Road, London, SW10 0TU
Verification Order required to confirm the numbering of the outbuilding to rear of 503 Ki…
SNN/24/07782
2024 Approved
Nevill Court, Edith Terrace, LONDON, SW10 0TL
Prune 1 x Sugar Maple
ARB/24/05521
2024 Approved
Outbuilding to rear of 503 King's Road (Off Thorndike Close), LONDON, SW10 0TU
External alterations and change of use to Class E(g) (Business)
PP/24/03596
2024 Withdrawn
517 King's Road, LONDON, SW10 0TX
Demolish existing courtyard boundary walls and rebuild to same perimeter in London stock…
PP/24/02911
2023 Refused
Outbuilding to rear of 503 King's Road (Off Thorndike Close), London, SW10 0TU
External alterations and change of use to Class E(g)
PP/23/04339
2023 Approved
Flat 11, Hudson House, Hortensia Road, LONDON, SW10 0QR
Removal of glass roof and installation of slate roof, in rear conservatory
PP/23/01445
2023 Approved
Nevill Court, Edith Terrace, LONDON, SW10 0TL
Prune Various Trees as per Schedule
ARB/23/01229
2022 Approved
Flat 8, 4 Hortensia Road, LONDON, SW10 0FU
Installation of work desk in living room. (Certificate of Proposed Development/Use)
CL/22/07814
2022 Approved
Flat 11, Hudson House, Hortensia Road, LONDON, SW10 0QR
Replacement of windows with double glazed UPVC framed replicas of original windows.
PP/22/04874
2022 Approved
503 King's Road, LONDON, SW10 0TU
Confirmation that a single storey outbuilding to the rear of 503 Kings Road was construct…
CL/22/05379
2021 Approved
Flat 21, Hudson House, Hortensia Road, LONDON, SW10 0QR
Raise the eaves soffit to allow for taller replacement doors to roof terrace; replace 3 s…
PP/21/07123
2021 Approved
Kingsgate House, 536 King's Road, London
Removal of combustible material on facade; designing and installing new materials that ar…
PP/21/06636
2021 Refused
42 Gunter Grove, London, SW10 0UJ
Conversion of 2 flats to provide 6 x self-contained studio apartments.
PP/21/06051
2021 Approved
499 King's Road, LONDON, SW10 0TU
Prune 1x Tree of Heaven in rear garden
ARB/21/04237
2016 Approved
Nevill Court, Edith Terrace, LONDON, SW10 0TL
FELL 1 x T6: Prunus and 1 x T9: Prunus, prune 1 x T1: Sorbus, 1 x T2: Prunus, 1 x T3: Map…
ARB/16/05314
2016 Approved
2 Hortensia Road, LONDON, SW10 0FU
Digitally printed ACM board screwed directly to wooden hoarding
CA/16/03898
2016 Approved
493 King's Road, LONDON, SW10 0TU
Installation of bin storage unit and floor tiling for building entrance.
PP/16/03750
2016 Approved
Nevill Court, Edith Terrace, LONDON, SW10 0TL
Replacement of double glazed timber balcony doors and all windows with timber sash window…
PP/16/03127
2016 Approved
540 and 542 King's Road, LONDON, SW10 0UB
PRUNE 2 x Sycamore FELL 2 x Conifer PRUNE 1 x Eucalyptus PRUNE 1 x Acacia
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Kensington and Chelsea
Planning Authority Score
5.1/10
Average
#144 of 296 councils
Relevant to this application:
Householder decisions

Kensington and Chelsea ranks #174 out of 296 councils for householder decision speed. Householder applications are slightly more likely to be approved here (94%) than the national average (90%).

These figures are council-wide context, not a prediction for this application. View full council performance
Kensington and Chelsea decision statistics
Based on MHCLG data, the nine months to December 2025
93%
Overall approval rate
Above avg (87%) #58 of 296
94%
Householder approved
Above avg (90%) #110 of 296
61%
Decided in 8 weeks
Below avg (63%) #174 of 296
40%
Extended time limit
Below avg (41%) #152 of 296
94%
Minor dwellings approved
455 decided (1-9 homes)
87%
Change of use approved
53 decided
1,839
Total decisions
135 refused in the nine months to December 2025
Source: MHCLG planning statistics · See full council rankings