193 Sumatra Road London NW6 1PF Data via plota.co.uk

2026/3906/P - Full Planning Permission REGISTERED
Extensions & alterations

Proposal

First and second floor extension to the existing rear outrigger and the creation of an inset roof terrace Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
13 Sept 2026
✓
Validated
14 Sept 2026
Decision
Expected by 9 Nov 2026

This application is under consideration - no decision has been issued yet. Plota predicts a decision between 5 Nov 2026 and 26 Nov 2026, from Camden's recent extensions.

Documents

View the documents on the council's website ↗

Site constraints 6

Article 4 direction
Basements. Named permitted development rights are withdrawn here.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: Camden 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 21 m away: West End Green
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
1 listed building within 150 m of the postcode pin; Inside the Camden built-up area; Town centre about 67 m away: West Hampstead.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 15 September 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 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

6 Aug 2026Approved

22 Sumatra Road London NW6 1PU

Amalgamation of 2 Flats into a Single Dwellinghouse

2026/3340/P

Nearby new applications

2 Oct 2026Pending

53 Compayne Gardens London NW6 3DB

REAR GARDEN: 1 x Cherry (T1) - Tip prune to reduce crown by up to approx. 0.8m a...

2026/4283/T
2 Oct 2026Pending

Flat 1 70 Compayne Gardens London NW6 3RY

REAR GARDEN: 2 x London Planes (T1 & T2) - Re- pollard. Reduce back to previous ...

2026/4284/T
30 Sept 2026Pending

Flat A 1 Kylemore Road London NW6 2PS

Erection of a single storey rear extension.

2026/4068/P
30 Sept 2026Pending

161 West End Lane London Camden NW6 2LG

Erection of a single storey rear extension to create a 3 bed 5 person apartment ...

2026/4188/P
28 Sept 2026Pending

61 Compayne Gardens London NW6 3DB

Erection of a single-storey gym outbuilding within the rear garden.

2026/4101/P
28 Sept 2026Pending

21 Fawley Road London NW6 1SJ

REAR GARDEN: 1 x Hawthorn (T1) - Fell to ground level.

2026/4190/T

Important details

Council
Camden
Application type
Full Planning Permission
Postcode
NW6 1PF
Received
13 Sept 2026
Validated
14 Sept 2026
Ward
West Hampstead
Case officer
Show
Applicant
Show
Agent
Space 120 Architects

Decision outlook

Day 21 of the 56-day target. Camden usually decides extensions by day 59.

Day 2138 days to the predicted decision (day 59)
48%decided within 8 weeks
94%approved
10%go to committee

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

Historical activity at this location

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

This property

Previous applications at this address

2023 Approved
Creation of inset roof terrace to rear of upper-floor flat at third floor level.
2023/3645/P
Within ~100m

Nearby activity

2024 Approved
Garden Flat 7 Kingdon Road London NW6 1PJ
Erection of single storey rear infill extension with associated alterations to rear patio…
2024/2644/P
2024 Approved
Flat 3 112 Sumatra Road London NW6 1PG
The retention of a rear garden timber outbuilding in use as a home office (retrospective).
2024/1602/P
2024 Approved
Flat 3 Sandwell Mansions West End Lane London NW6 1XL
Installation of soil pipe to rear elevation at first floor level.
2024/0996/P
2023 Approved
2 Kingdon Road London NW6 1PH
Replace existing single glazed timber windows to the upper ground and first floors, front…
2023/2944/P
2023 Approved
114 Sumatra Road London Camden NW6 1PG
Retrospective application for installation of two air conditioning units on the rear elev…
2023/3216/P
2023 Approved
Upper Flat 22 Kingdon Road London NW6 1PH
Formation of terrace with railings and associated access structure at main roof level
2023/2055/P
2023 Approved
Took Took 221 West End Lane London NW6 1XJ
3 Tables, 9 Chairs, 3 Barriers and 3 Heaters Monday to Saturday 08:00 - 23:00 Sunday 08:0…
2023/5074/PVL
2023 Approved
Flat 1 3 Sandwell Crescent London NW6 1PB
REAR GARDEN: 1 x Eucalyptus (T1) - Fell to ground level and treat stump.
2023/3597/T
2023 Refused
Sandwell Mansions West End Lane London NW6 1XL
FRONT GARDEN: 1 x Bay (T1) - Fell to ground level.
2023/0700/T
2021 Approved
Flat 1st And 2nd Floor 193 Sumatra Road London NW6 1PF
Enlargement of 2 storey rear extension.
2021/2552/P
2023 Approved
6 Sandwell Crescent London Camden NW6 1PB
Creation of new dormer to rear elevation to access a flat roof terrace.
2023/1273/P
2023 Approved
195-197 Sumatra Road London NW6 1PF
Erection of ground floor rear extension to replace existing ground floor rear conservator…
2023/1077/P
2022 Approved
8 Sandwell Crescent London NW6 1PB
Erection of replacement rear dormer, single storey rear extension at lower ground floor…
2022/5074/P
2022 Approved
Open Space in front of West Hampstead Thameslink Station Iverson Road London NW6 1PF
OPEN SPACE FRONT OF STATION: 11 x Limes - Crown lift to 2.5m above ground level where the…
2022/4617/T
2022 Approved
Took Took 221 West End Lane London NW6 1XJ
3 Tables, 9 Chairs, 4 Planters and 1 Barrier Monday to Saturday 09:30 - 23:00 Sunday 09:3…
2023/1014/PVL
2022 Approved
199 Sumatra Road London NW6 1PF
Replacement of all existing single glazed timber windows and doors with new double glazed…
2022/0633/P
2022
Banana Tree 237-239 West End Lane London NW6 1XN
4 Tables and 9 Chairs Monday-Saturday 12:00-23:00 Sunday 12:00-22:00 New Application
2022/3679/TC
2022 Withdrawn
195-197 Sumatra Road London NW6 1PF
Loft conversions with rear roof dormer and flat roof lights.
2022/0463/INVALID
2021 Approved
Took Took 221 West End Lane London NW6 1XJ
3 Tables, 9 Chairs, 4 Planters and 1 Barrier Monday to Saturday 09:30 - 23:00 Sunday 09:3…
2021/5681/PVL
2021 Approved
29 Kingdon Road London NW6 1PJ
Conversion of 2 flats into 1 maisonette at lower ground and upper ground floors.
2021/2653/P
2016 Refused
10 Sandwell Crescent, London, NW6 1PB
Conversion of property with 3 residential flats into 4 selfcontained flats and various ex…
2016/0251/P
2016 Withdrawn
211 Sumatra Road London NW6 1PF
Erection of a single storey rear extension and extension of existing basement level to fo…
2016/3328/P
2016 Approved
18a Kingdon Road London NW6 1PH
Installation of bay windows with a door to lower ground front facade and alterations to l…
2016/1214/P
2016 Withdrawn
Basement Flat 25 Kingdon Road London NW6 1PJ
Erection of single storey rear extension
2016/0878/P
2016 Withdrawn
25 Kingdon Road London NW6 1PJ
Replacement of single windows to front and rear elevations
2016/0702/P
Camden
Planning Authority Score
3.1/10
Poor
#231 of 296 councils
Relevant to this application:
Householder decisions

Camden is slower than most councils at deciding householder applications, ranking #242 out of 296. Householder applications are slightly less likely to be approved here (88%) than the national average (90%).

Slower than most councils
for householder decisions
These figures are council-wide context, not a prediction for this application. View full council performance
Camden decision statistics
Based on MHCLG data, the year to March 2026
88%
Overall approval rate
Above avg (87%) #149 of 296
88%
Householder approved
Below avg (90%) #215 of 296
49%
Decided in 8 weeks
Below avg (63%) #242 of 296
41%
Extended time limit
Below avg (41%) #158 of 296
90%
Minor dwellings approved
467 decided (1-9 homes)
80%
Major dwellings approved
10 decided (10+ homes)
93%
Change of use approved
46 decided
1,973
Total decisions
234 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings