49 Maitland Park Road London NW3 2HA Data via plota.co.uk

2026/3834/P - Certificate of Lawfulness (Existing) REGISTERED
Extensions & alterations

Proposal

Enclosure of balcony area on front elevation at 1st floor level to provide habitable accommodation ancillary to the existing residential use of the dwellinghouse (Class C3). 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 3

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 Named permitted development rights are withdrawn here.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 ↗
Also on the record
Inside the Camden built-up area.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 15 September 2026. 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

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Display of advertisement panel on one side of a Communications Kiosk.

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Important details

Council
Camden
Application type
Certificate of Lawfulness (Existing)
Postcode
NW3 2HA
Received
13 Sept 2026
Validated
14 Sept 2026
Ward
Haverstock
Case officer
Show
Applicant
Show
Agent
Keith Street Associates

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

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

Within ~100m

Nearby activity

2024 Approved
4 St Ann's Gardens London NW5 4ER
(TPO REF: C469 2004) REAR GARDEN: 1 x Willow (T1) - Crown thinning of up to 70%.
2024/3832/T
2024 Approved
10 St Ann's Gardens London NW5 4ER
Erection of a full-width rear extension at lower ground floor level and part-width rear e…
2024/2559/P
2023 Approved
9 St Ann's Gardens London Camden NW5 4ER
Replacement of window with door on the rear second floor level and installation of metal…
2023/3629/P
2023 Approved
3 St Ann's Gardens London NW5 4ER
Erection of a single storey infill extension to the lower ground floor following removal…
2023/4666/P
2021 Approved
Land adjacent to Whitebeam House, Rowan House and Hazel House Maitland Park Road London NW3
Installation of play equipment to form a linear fitness, activity and play trail.
2021/6108/P
2021 Approved
5 St Thomas's Gardens London NW5 4EX
Erection of single storey rear extension with roof terrace and solar panels
2021/0996/P
2021
12 St Ann's Gardens London NW5 4ER
Installation of 2 x heating/cooling units (retrospective).
2021/5967/P
2021 Approved
4 St. Ann's Gardens London NW5 4ER
REAR GARDEN: 1 x Weeping Willow (T1) - Thin crown by 70%.
2021/4424/T
2020 Approved
Flat A 79 Queens Crescent London NW5 4ES
Insertion of rear door and reduction in size of window.
2020/1820/P
2019 Approved
2 St Ann's Gardens London NW5 4ER
Erection of a mansard roof extension and single storey infill extension to the rear at lo…
2019/4549/P
2019 Approved
7 B St Ann's Gardens London NW5 4ER
Details of condition 4 (green roof details) of planning permission 2019/3029/P dated 14/0…
2019/4451/P
2019 Approved
4 St Ann's Gardens London NW5 4ER
REAR GARDEN: 1 x Weeping Willow - Thin crown by 70%.
2019/4003/T
2019 Approved
13 St Ann's Gardens London NW5 4ER
Erection of mansard roof extension with three rooflights to front elevation
2019/3195/P
2019 Approved
7B St Ann's Gardens London NW5 4ER
Erection of single storey rear extension to an existing ground floor & lower ground floor…
2019/3029/P
2019 Approved
Flat 2nd And 3rd Floor 65 Queen's Crescent London NW5 4ES
Enlargement of existing second floor rear window.
2019/1801/P
2017 Approved
Flat A 11 St Thomas's Gardens London NW5 4EX
Installation of rainwater pipe to front façade and alterations to existing rear fenestrat…
2017/6895/P
2017 Withdrawn
Flat 27 Rowan House Maitland Park Road London NW3 2EY
Amendments to planning permission ref: 2017/3935/P dated 25/09/2017 for the erection of r…
2017/7086/INVALID
2017 Approved
13B St Thomas's Gardens LONDON NW5 4EX
Front glazed addition to existing roof extension and associated alterations to party wall…
2017/5644/P
2017 Withdrawn
Flat B 87 Queen's Crescent LONDON NW5 4EU
Replacement of existing rear 1st floor sash window with French doors within enlarged open…
2017/5340/P
2017 Approved
Flat 27 Rowan House Maitland Park Road LONDON NW3 2EY
Erection of roof extension to extend top floor flat onto existing terrace
2017/3935/P
2017 Approved
10 St Thomas's Gardens London NW5 4EX
Erection of 2-storey rear extension following demolition of existing single storey rear e…
2017/0504/P
2016 Approved
4 St Ann's Gardens London NW5 4ER
(TPO REF C469) REAR GARDEN: 1 x Weeping Willow - Thin crown by 70%
2016/4799/T
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