Flats C and D 26 Daleham Gardens London NW3 5DA Data via plota.co.uk

2026/2481/P - Certificate of Lawfulness (Proposed) Approved
Extensions & alterationsNew homes

Proposal

Amalgamation of two flats. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
16 Jun 2026
✓
Approved
6 Aug 2026

Approved on 6 Aug 2026 · Delegated · Last checked 15 Sept 2026

Documents

View the documents on the council's website ↗

Site constraints 5

Fitzjohns Netherhall conservation area
Demolition needs planning permission and permitted development is restricted.
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 ↗
2 Article 4 directions
Fitzjohns/Netherhall Conservation Area Non-immediate Article 4 · 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 Named permitted development rights are withdrawn here.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; Public transport access: PTAL 6a (excellent), 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. 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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Important details

Council
Camden
Application type
Certificate of Lawfulness (Proposed)
Postcode
NW3 5DA
Received
16 Jun 2026
Validated
16 Jun 2026
Ward
Belsize
Case officer
Show
Decision
Granted 06-08-2026
Decision date
6 Aug 2026
Decision level
Delegated
Applicant
Show
Agent
Draw and Plan
Freehold owner
Show

How this decision compares

Decided in 51 days from validation, 7 days faster than Camden's median of 58 for extensions. Approved, as 94% of extensions here are.

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

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

Within ~100m

Nearby activity

2023 Approved
15 Belsize Park Mews London NW3 5BL
Erection of roof extension, new basement level, alterations to fenestration and associate…
2023/3492/P
2024 Approved
104 Belsize Lane London NW3 5BB
Installation of an access door and alterations to existing bay window at ground floor fro…
2024/4842/P
2024 Refused
69 Belsize Lane London Camden NW3 5AU
Erection of a mansard roof extension to create a second floor to the existing dwellinghou…
2024/4627/P
2024 Approved
27 Daleham Mews London Camden NW3 5DB
change of use of the garage to residential, a new hipped roof on the front part of the bu…
2024/4335/P
2024 Approved
Garden Flat 23 Daleham Gardens London NW3 5BY
(TPO REF: C704 2007) FRONT GARDEN: 1 x Lime (T1) - Re-pollard (approx.1m - 2m),
2024/3689/T
2024 Approved
Garden Flat 23 Daleham Gardens London NW3 5BY
REAR GARDEN: 1 x Lime (T2) - Crown reduce by approx. 1m all round.
2024/3697/T
2024 Approved
63B Belsize Lane London NW3 5AU
REAR GARDEN: 1 x Cherry (T2) - Fell to ground level.
2024/2949/T
2023 Approved
19 Daleham Gardens London NW3 5BY
Refurbishment of 2nd floor windows. Widening of 1st floor window at rear. Replacement of…
2023/2879/P
2023 Approved
20 Daleham Gardens London NW3 5DA
FRONT GARDEN: 1 x Copper Beech (T1) - Reduce crown back to the most recent points of redu…
2023/4781/T
2023 Approved
6 Daleham Gardens London NW3 5DA
REAR GARDEN: 1 x Lombardy Poplar (T5) - Crown reduce all new growth back to the previous…
2023/4755/T
2023 Approved
3 Baynes Mews London NW3 5BH
Garage conversion into habitable space and continued use of the property as a single dwel…
2023/1043/P
2023 Approved
19 Daleham Gardens London NW3 5BY
REAR GARDEN: 1 x Plum (T1) - Fell to ground level. 1 x Twisted Willow(T2) - Reduce crown…
2023/2892/T
2023 Approved
19 Daleham Gardens London NW3 5BY
Alterations to front boundary treatment including reconstruction of front wall and wideni…
2023/1860/P
2022 Approved
17 Daleham Gardens London NW3 5BY
FRONT GARDEN: 1 x Eucalyptus (T1) - Reduce crown back to previous and most recent reducti…
2022/3944/T
2021 Approved
23 Daleham Gardens London NW3 5BY
Erection of a single storey rear garden outbuilding.
2021/3828/P
2021 Approved
10 Daleham Mews London NW3 5DB
Erection of 1st floor rear extension with rooflight and rear roof dormer.
2021/4357/P
2020 Approved
8 Daleham Gardens London NW3 5DA
Excavation of basement extension under part of existing property including installation o…
2020/0630/P
2021 Approved
11 Daleham Gardens London NW3 5BY
FRONT GARDEN: 1 x Willow (Salix Tortuosa) - 3m crown reduction 1 x Silver Birch (Betula P…
2021/5340/T
2021 Approved
13 Daleham Gardens London NW3 5BY
FRONT GARDEN: 1 x Common Hawthorn (Crataegus Monogyna) - Fell to ground level.
2021/5346/T
2021 Approved
13 Daleham Gardens London NW3 5BY
FRONT GARDEN: 1 x Holly (Ilex aquifolium) - Fell to ground level 1 x Cherry Plum (Prunus…
2021/5341/T
2016 Approved
4 Daleham Mews, London, NW3 5DB
Conversion of 2 residential units into a single family dwellinghouse.
2016/2208/P
2016 Approved
14 Daleham Mews London NW3 5DB
Change of use of 15sqm of ground floor from vehicle repair garage (B2 Use) to ancillary r…
2016/1806/P
2016 Approved
17 Daleham Gardens London NW3 5BY
REAR GARDEN: 1 x Lime (approx 9m) - fell to ground level and replace with more suitable s…
2016/0956/T
2016 Approved
12a Daleham Gardens London NW3 5DA
FRONT GARDEN: 1 x Lime (T1) - reduce height of main trunk by 1m, reduce length of main si…
2016/0994/T
2016 Approved
21 Daleham Gardens London NW3 5BY
REAR GARDEN: 1 x Leylandii - Remove growth that overhangs lawn, reduce top new growth to…
2016/0919/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

Freehold owner: 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.