Flat 2nd And 3rd Floor 15 Denning Road London NW3 1ST Data via plota.co.uk

2026/2678/P - Full Planning Permission Approved
Extensions & alterations

Proposal

Replacement of two timber sash windows on the front elevation and one timber sash window on the rear elevation Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
29 Jun 2026
✓
Approved
4 Aug 2026

Approved on 4 Aug 2026 · Delegated · Last checked 13 Sept 2026

Documents

View the documents on the council's website ↗

Site constraints 7

Hampstead 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 ↗
3 Article 4 directions
Hampstead Conservation Area (excl. Frognal Way) Non-immediate Article 4 · Hampstead Conservation Area (excl. Frognal Way) (various properties) · 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 Named permitted development rights are withdrawn here.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 ↗
Habitat network: Network Enhancement Zone 2
Where habitat is joined up enough to work as a network. Context, not a constraint on its own.
Also on the record
3 listed buildings within 150 m of the postcode pin; Inside the Camden built-up area; Metropolitan Open Land about 70 m away.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 11 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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Important details

Council
Camden
Application type
Full Planning Permission
Postcode
NW3 1ST
Received
29 Jun 2026
Validated
29 Jun 2026
Ward
Hampstead Town
Case officer
Show
Decision
Granted 04-08-2026
Decision date
4 Aug 2026
Decision level
Delegated
Applicant
Show
Agent
Studio Werc Ltd

How this decision compares

Decided in 36 days from validation, 23 days faster than Camden's median of 59 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

2024 Approved
37 Denning Road London NW3 1ST
Upwards extension, alterations to the front and rear dormers, 3 rooflights on side elevat…
2024/2474/P
2024 Approved
1B Old Brewery Mews, London, NW3 1PZ
Conversion from garage to a residential studio flat with ancillary space to use as an art…
2024/4428/P
2024 Withdrawn
Flat Basement And Hall Floor 43 Denning Road London NW3 1ST
Erection of outbuilding to rear garden.
2024/0546/P
2024
31 Willoughby Road London NW3 1RT
Excavation of a new basement floor level to single dwellinghouse
2024/5203/P
2024 Approved
26 Willow Road London NW3 1TL
FRONT GARDEN: 1 x Maple (Acer) (T1) - Reduce crown by approx. 0.5m. REAR GARDEN: 1 x Magn…
2024/4494/T
2023 Withdrawn
20 Denning Road London NW3 1SU
The installation of a bin store in the front garden and associated works
2023/1237/P
2024 Approved
Flat A 25 Willow Road London NW3 1TL
REAR GARDEN: 1 x Pear (Pyrus) (T1) - Reduce the entire tree crown by 1m. 1 x Cherry (Prun…
2024/4493/T
2024 Approved
4 Carlingford Road London NW3 1RX
Replacement of existing windows at first and second levels with double-glazed timber sash…
2024/3346/P
2024 Approved
18 Willow Road London NW3 1TJ
REAR GARDEN: 1 x Lime (T1) - Reduce back to previous cuts (up to 2m off).
2024/3280/T
2024 Approved
31 Denning Road London NW3 1ST
REAR GARDEN: 1 x Eucalyptus (T1) - Fell to ground level. 1 x Pittosporum tree (T3) - Redu…
2024/2480/T
2024 Approved
31 Willoughby Road London NW3 1RT
FRONT GARDEN: 1 x Magnolia (Magnolia spp) (T6) - Fell to ground level and poison stump to…
2024/2236/T
2024 Approved
31 Willoughby Road London NW3 1RT
REAR GARDEN: 1 x Horse Chestnut (Aesculus hippocastanum) (T1) - Reduce all round to previ…
2024/2194/T
2024 Approved
Flat 1 31 Willow Road London NW3 1TL
REAR GARDEN: 1 x Sycamore (T1) - Crown thin by 30%. Reduce height by 2.75m - 3m. Reduce l…
2024/2116/T
2024 Approved
24 Willow Road London NW3 1TL
REAR GARDEN: 1 x Willow (T1) - Crown reduction back to most recent pruning points, (appro…
2024/1946/T
2024 Withdrawn
42 Flat A Denning Road London NW3 1SU
Single storey ground floor rear extension to rear elevation.
2024/1103/P
2024 Approved
11 Denning Road London NW3 1ST
Installation of external black metal rail gate in front of lower ground floor side entran…
2024/0582/P
2023 Approved
33 Willoughby Road London NW3 1RT
Relocation of the front door, replacement glazing and external refurbishment.
2023/4182/P
2024 Approved
45 Denning Road London NW3 1ST
REAR GARDEN: 7 x Birch (G1) - Prune all around by up to 0.5m
2024/1548/T
2024 Approved
Flat A 7 Denning Road London NW3 1ST
REAR GARDEN: 1 x Lime (T1) - Fell to ground level.
2024/0731/T
2024 Approved
Flat Ground Floor 48 Willoughby Road London NW3 1RU
REAR GARDEN: 1 x Glossy Privet (T1) - Fell to ground level. 1 x Maple (T2) - Fell to grou…
2024/0037/T
2017 Approved
57 Willow Road London NW3 1TP
Erection of single storey rear extension at basement level.
2017/2748/P
2017 Approved
11 Carlingford Road London NW3 1RY
REAR GARDEN: 1 x Eucalyptus - Reduce height by 35% and cut to boundary with 4 Kemplay Road
2017/2789/T
2017 Withdrawn
25 Flat 2 Pilgrim's Lane LONDON LONDON NW3 1SX
NOT LISTED - Removal of existing low-lying metal railings on the roofs of the bay windows…
2017/3452/NEW
2017 Approved
29 Willow Road, London, NW3 1TL
Various external alterations including erection of balustrade to create terrace at first…
2017/1818/P
2016 Approved
Garden Flat 18 Carlingford Road London NW3 1RX
Single storey rear extension with internal alterations.
2016/5611/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