Ground Floor, 274 Portobello Road, London, W10 5TE Data via plota.co.uk

PP/25/03918 - Planning Permission Refused
Extensions & alterations

Proposal

Construction of side extension at ground floor level (Retrospective application). Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
22 Sept 2025
✗
Refused
25 Mar 2026
✗
Appeal dismissed
1 Sept 2026

Refused on 25 Mar 2026 · Last checked 23 Oct 2026

Documents

View the documents on the council's website ↗

Site constraints 7

2 Article 4 directions
Article 4 - No 100 · Article 4 - No 106. Named permitted development rights are withdrawn here.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.
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 ↗
Town centre: Portobello
A designated centre in the London Plan.
Shops, services and active frontages are protected in centres, and main town centre uses are steered here first.
Also on the record
Conservation area about 38 m away: Oxford Gardens; Inside the Kensington and Chelsea built-up area; Public transport access: PTAL 4 (good), TfL 2023, for the 100 m square; Designated open space about 23 m away.
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, 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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Other new applications on this street

28 Sept 2026Pending

292 Portobello Road, London, W10 5TE

Roof extension to form a self-contained studio flat over existing block of flats

PP/26/04203
13 May 2026Approved

310 Portobello Road, London, W10 5TA

First floor side extension facing Bevington Road, replacing terrace with awning.

PP/26/02387

Nearby new applications

22 Oct 2026Pending

68 Cambridge Gardens, London, W10 6 HR

Prune 3 x Lime (rear)

ARB/26/05645
22 Oct 2026Pending

35 Oxford Gardens, London, W10 5UF

FELL 1 x Lime tree (Tilia spp)(T1), andPrune 1 x Laburnum (Laburnum anagyroides)...

ARB/26/05730
21 Oct 2026Pending

Basement Flat, 47 Cambridge Gardens, London, W10 5UA

Prune 1 x Lime (rear)

ARB/26/05692
20 Oct 2026Pending

18 Elgin Crescent, London, W11 2JR

Prune 1x Ash (Fraxinus excelsior) and 1x Bay (Laurus nobilis) in rear garden

ARB/26/05699
20 Oct 2026Pending

244 Acklam Road, London, W10 5YG

Permission sought for a pavement crossover and general arrangement.

PC/26/05656
19 Oct 2026Pending

95 Lancaster Road, London, W11 1QQ

Details required by condition 3 (submission of details) of listed building conse...

CON/26/05644

Important details

Council
Kensington and Chelsea
Application type
Planning Permission
Postcode
W10 5TE
Received
22 Sept 2025
Validated
22 Sept 2025
Ward
Golborne
Case officer
Show
Target decision
17 Nov 2025
Decision
Refused
Decision date
25 Mar 2026
Appeal
Dismissed · 1 Sept 2026 · Written Representations · Inspectorate case 6008439 ↗
Applicant
Show
Freehold owner
Show

How this decision compares

Decided in 184 days from validation, 101 days slower than Kensington and Chelsea's median of 83 for extensions. Refused, as 5% 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
17 Oct 2025

Historical activity at this location

25 nearby applications on record - archival context, not part of the live application.

Within ~100m

Nearby activity

2025 Approved
3 Oxford Gardens, London, W10 5UE
Replacement of single glazed, timber framed sash & casement windows with slimline double…
PP/25/04044
2025 Approved
1 Oxford Gardens, London, W10 5UE
Replacement of sash and casement windows with heritage timber slimline double-glazed sash…
PP/25/04041
2025 Approved
Flat A, 9-11 Oxford Gardens, London, W10 5UE
Prune 1 x Lime (front)
ARB/25/04998
2024 Refused
80 Tavistock Road, LONDON, W11 1AN
Internally illuminated 4 sheet size digital poster display (retrospective)
CA/24/04773
2024 Approved
24 Cambridge Gardens, LONDON, W10 5UB
Prune 2x Lime trees at front
ARB/24/07092
2024 Approved
Basement Flat, 291 Portobello Road, LONDON, W10 5TD
Erection of single storey rear extension to basement and ground floor flat, within rear c…
PP/24/05260
2022 Approved
Lower Ground and Ground Floor, 4 Cambridge Gardens, London, W10 5UB
The amalgamation of 2 flats to form a single two-bedroom dwelling unit with a total floor…
PP/22/07612
2023 Approved
Basement Flat, 291 Portobello Road, London, W10 5TD
Construction of single storey extension at rear ground floor level within courtyard.
PP/23/02936
2023 Approved
20 Cambridge Gardens, LONDON, W10 5UB
FELL 1 x Lime and Prune 1x lime (rear)
ARB/23/02013
2017 Withdrawn
Site A (Portobello Green Arcade), Site C (Acklam Car Park) and Site D (Acklam Village), LONDON, W10 5TZ
Mixed use development under and next to the Westway flyover to provide new arts, culture…
PP/17/01637
2023 Approved
20 Cambridge Gardens, LONDON, W10 5UB
Prune 1x Sycamore tree in the front garden
ARB/23/01324
2023 Refused
First And Second Floor Flat, 301 Portobello Road, LONDON, W10 5TD
Retention of roof terrace; glass security guardings to rear elevation (Retrospective appl…
PP/23/00272
2023
First And Second Floor Flat, 301 Portobello Road, LONDON, W10 5TD
Retention of second floor outrigger balcony terrace and replacement of sash window with F…
PP/23/00344
2021 Approved
Ground Floor, 290 Portobello Road, LONDON, W10 5TE
Extend and enclose rear light well at lower ground level; creation of new room with glaze…
PP/21/05530
2022 Refused
274 Portobello Road, LONDON, W10 5TE
Installation of non-illuminated mural advertisement on the end wall, measuring 8.3 metres…
CA/22/05986
2022 Approved
Flat B, 16 Cambridge Gardens, LONDON, W10 5UB
FELL 1 x lime (rear)
ARB/22/06467
2022 Refused
First And Second Floor Flat, 301 Portobello Road, LONDON, W10 5TD
Creation of roof terrace and addition of second floor terrace to outrigger (retrospective…
PP/22/00160
2021 Approved
First And Second Floor Flat, 301 Portobello Road, LONDON, W10 5TD
Replacement of windows to first and second floor flat with double-glazed, timber-framed r…
PP/21/01702
2021 Approved
274 Portobello Road, LONDON, W10 5TE
Variation of condition 2 (approved plans) of planning permission 18/01872 to allow altera…
PP/21/01411
2020 Approved
5-7 Oxford Gardens, LONDON, W10 5UE
FELL 1x Lime tree at front Good Morning Emma, Thank you for the e-mail. I can confirm tha…
ARB/20/06724
2017 Approved
274 Portobello Road, LONDON, W10 5TE
Erection of ground to second floor rear extension, reconfiguration of internal layout to…
PP/17/01089
2017 Approved
19 Oxford Gardens, LONDON, W10 5UE
Prune 1 x Tree of Heaven (rear garden).
ARB/17/01325
2016 Approved
20 Cambridge Gardens, LONDON, W10 5UB
Prune 2 x Lime and 1 x Sycamore
ARB/16/07201
2016 Approved
16 Cambridge Gardens, LONDON, W10 5UB
Installation of a vertical grabrail to right hand side pillar to front porch
PP/16/05631
2016 Approved
Flat A, 17 Oxford Gardens, LONDON, W10 5UE
Prune 1 x Lime tree
ARB/16/03851
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

Freehold owner and leaseholders: Information produced by HM Land Registry. © Crown copyright 2026. Source: HM Land Registry, UK and overseas companies that own property in England and Wales, September 2026 release.