78 St Mark's Road, London, W10 6NW Data via plota.co.uk

PP/26/02665 - Planning Permission Approved
Extensions & alterations

Proposal

Replacement of single-glazed timber casement windows and rear doors throughout with new double glazed uPVC casement windows and rear doors to match the style, profile, character, and aesthetic of the existing Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
26 May 2026
✓
Approved
26 Jun 2026

Approved on 26 Jun 2026 · Last checked 20 Oct 2026

Documents

View the documents on the council's website ↗

Site constraints 9

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 Named permitted development rights are withdrawn here.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.
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 ↗
Conservation area about 20 m away: Oxford Gardens
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 ↗
Also on the record
4 listed buildings within 150 m of the postcode pin; Tree preservation order about 19 m away; Inside the Kensington and Chelsea built-up area; Public transport access: PTAL 4 (good), TfL 2023, for the 100 m square; Priority habitat about 28 m away: Deciduous woodland; Designated open space about 28 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

19 Oct 2026Pending

46 St Mark's Road, London, W10 6NR

FELL 1 x Lime (rear)

ARB/26/05647
6 Oct 2026Pending

101 St Mark's Road, London, W10 6JW

Prune 4 x Lime (front)

ARB/26/05380
10 Aug 2026Approved

Second Floor Flat, 89 St Mark's Road, London, W10 6JS

Installation of two domestic flues at second floor level of the flank wall of fl...

PP/26/04202

Nearby new applications

22 Oct 2026Pending

68 Cambridge Gardens, London, W10 6 HR

Prune 3 x Lime (rear)

ARB/26/05645
21 Oct 2026Pending

Ground Floor Flat, 22 Kelfield Gardens, London, W10 6NB

Erection of single storey side and rear extension to ground floor flat, together...

PP/26/05539
20 Oct 2026Pending

10 Barlby Road, London, W10 6AR

FELL 1 x Willow (rear).

ARB/26/05653
19 Oct 2026Pending

46 St Mark's Road, London, W10 6NR

FELL 1 x Lime (rear)

ARB/26/05647
16 Oct 2026Withdrawn

46 Chesterton Road, London, W10 6ER

Prune 1 x Lime (rear) withdraw - wrong address AGM 16/10Hi Angus, I noticed when...

ARB/26/05546
16 Oct 2026Pending

Flat 2, 208 Ladbroke Grove, London, W10 5LU

Replacement of three single-glazed timber sash windows in front bay with matchin...

PP/26/05450

Important details

Council
Kensington and Chelsea
Application type
Planning Permission
Postcode
W10 6NW
Received
26 May 2026
Validated
26 May 2026
Ward
St Helen's
Case officer
Show
Target decision
21 Jul 2026
Decision
Granted
Decision date
26 Jun 2026
Applicant
Show

How this decision compares

Decided in 31 days from validation, 52 days faster 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
19 Jun 2026

Historical activity at this location

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

Within ~100m

Nearby activity

2025
Alan Morkill House, 88 St Mark's Road, London, W10 6BY
Demolition of existing buildings on site and comprehensive redevelopment to provide a new…
PP/25/05588
2025 Approved
64 St Mark's Road, London, W10 6NN
Verification Order required to formally add the following name to the single dwelling hou…
SNN/25/03304
2024 Approved
58 St Helen's Gardens, LONDON, W10 6LH
Installation of condenser unit to rear of property
PP/24/04452
2024 Approved
58 St Helen's Gardens, LONDON, W10 6LH
Raising of rear extension roof and new rooflight to existing rear extensions, alterations…
PP/24/04509
2024 Approved
56 St Mark's Road, LONDON, W10 6NN
Replacement of single-glazed timber windows with new double-glazed timber window to front…
PP/24/02152
2024 Refused
58 St Helen's Gardens, LONDON, W10 6LH
Rear dormer extension
PP/24/02747
2024 Refused
Flat B, 48 St Mark's Road, LONDON, W10 6NN
FELL 1 x London Plane (rear)
ARB/24/00480
2023 Approved
76 St Mark's Road, LONDON, W10 6NN
FELL 1 x Cypress (front)
ARB/23/01353
2022 Approved
Flat A & Flat B, 58 St Mark's Road, LONDON, W10 6NN
Amalgamation of lower ground and ground floor flats into one flat. Alterations to fenestr…
PP/22/07000
2021 Approved
129 St Mark's Road, London, W10 6NP
Erection of single storey ground floor extension and construction of rear dormer window t…
PP/21/05664
2020 Approved
54 St Helen's Gardens, LONDON, W10 6LH
Variation of Condition 2 (Approved drawings) of planning permission PP/20/00943 (Demoliti…
PP/20/07211
2021 Approved
48 St Mark's Road, LONDON, W10 6NN
Prune 1 x Plane (rear garden)
ARB/21/03933
2020 Approved
62 St Mark's Road, LONDON, W10 6NN
Prune 1 x English Oak (rear)
ARB/20/05937
2020 Approved
54 St Helen's Gardens, LONDON, W10 6LH
Demolition of existing building and redevelopment to provide a new building of ground plu…
PP/20/00943
2019 Approved
60 St Helen's Gardens, LONDON, W10 6LH
FELL 2 x London plane (front garden)
ARB/19/07706
2019 Approved
54 St Helen's Gardens, LONDON, W10 6LH
Prune 1 x tree
ARB/19/07113
2018 Approved
Flat A, 72 St Mark's Road, London, W10 6NW
FELL 1 x Sycamore (rear)
ARB/18/07524
2018 Approved
74 St Mark's Road, London, W10 6NN
FELL 1 x Leyland Cypress (rear)
ARB/18/07549
2018 Approved
56 St Mark's Road, LONDON, W10 6NN
FELL 1 x Oak (front)
ARB/18/05396
2018 Approved
Flat A, 60 St Mark's Road, LONDON, W10 6NN
Variation of condition 2 (Compliance with approved drawings) of planning permission 16/04…
PP/18/03848
2016 Approved
Flat A, 60 St Mark's Road, LONDON, W10 6NN
Construction of rear single storey lower ground floor extension, demolition and replaceme…
PP/16/04001
2016 Approved
58 St Helen's Gardens, LONDON, W10 6LH
Creation of single storey basement extension, demolition of rear lean-to and replacement…
PP/16/03215
2016 Approved
64 St Mark's Road, LONDON, W10 6NN
Alterations to house to include enlarged rear light-well with stepped access and introduc…
PP/16/00616
2016 Approved
64 St Mark's Road, LONDON, W10 6NN
Enlargement of first floor window from single to double sash window on side elevation and…
PP/16/00635
2016 Refused
78 St Mark's Road, LONDON, W10 6NN
Installation of external stairlift to communal front entrance steps
PP/16/00327
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