45 Herbert Street London NW5 4HB Data via plota.co.uk

2026/4711/P - Householder Application New application
Extensions & alterations

Proposal

Erection of a mansard roof extension at third floor level to the existing single-family dwellinghouse (Class C3), together with raising masonry party wall upstands and extending chimney stacks. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
23 Oct 2026
✓
Validated
27 Oct 2026
Decision
Expected by 22 Dec 2026

Under consideration

No decision has been issued yet. Plota predicts a decision between 17 Dec 2026 and 7 Jan 2027, from Camden's recent extensions.

The consultation period closed on 23 Oct 2026.

Documents

View the documents on the council's website ↗

Site constraints 7

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 Named permitted development rights are withdrawn here.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.
Protected view corridor: 2A.2 Parliament Hill summit to the Palace of Westminster
Inside the landmark viewing corridor of a protected vista. A building that rises above the corridor's threshold height should be refused. How high that is depends on where along the view the site is.
The London Plan (policy HC4) designates strategic views, and the Mayor's London View Management Framework (March 2012) gives 13 of them a protected vista toward St Paul's Cathedral, the Palace of Westminster or the Tower of London. A vista has a threshold height that rises or falls with the line of sight. In the landmark viewing corridor, a building above it would harm the view and should be refused. In the wider setting consultation area around the corridor, a building above it is referred for consultation and its effect on the view is judged. The threshold changes along each view and is set out in the framework. A revised framework is out for consultation until 4 December 2026 and is not yet in force.
London View Management Framework ↗
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
1 listed building within 150 m of the postcode pin; Conservation area about 83 m away: West Kentish Town; Inside the Camden built-up area; Public transport access: PTAL 3 (moderate), 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 28 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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Important details

Council
Camden
Application type
Householder Application
Postcode
NW5 4HB
Received
23 Oct 2026
Validated
27 Oct 2026
Ward
Haverstock
Case officer
Show
Applicant
Show
Agent
Wells McDonald Architects

Decision outlook

Day 2 of the 56-day target. Camden usually decides extensions by day 58.

Day 256 days to the predicted decision (day 58)
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 →

Consultation & key dates

Comments by
23 Oct 2026

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

2018 Approved
Erection of a single storey rear extension to existing single family dwelling (Class C3)
2018/5343/P
Within ~100m

Nearby activity

2023 Approved
118 Malden Road London NW5 4BY
Reconstruction of existing building to form a new part four/part two-storey building prov…
2023/5113/P
2023 Approved
Flat D 117 Malden Road London NW5 4HS
Replacement of the timber roof terrace balustrade with a metal balustrade and replacement…
2023/3355/P
2023 Approved
9 Thurlow Terrace London NW5 4JB
Installation of solar panels to the roof, air source heat pump to the rear elevation, and…
2023/1643/P
2023 Withdrawn
114-116 Malden Road London Camden NW5 4BY
Change of use from retail (Class E) to residential (Class C3) to provide four self-contai…
2023/2039/INVALID
2023 Withdrawn
114-116 Malden Road London NW5 4BY
Change of use of vacant retail unit (Class E) to residential (Class C3) comprising of 3 x…
2023/0799/P
2023 Approved
La Parisienne Cafe 110 Malden Road London NW5 4BY
4 Tables, 16 Chairs and 2 Barriers Monday-Sunday 08:00-19:00 New Application
2023/0102/PVL
2022
118 Malden Road London NW5 4BY
Erection of a first floor rear extension and mansard roof extension with terrace, replace…
2022/0127/P
2021 Approved
La Parisienne 110 Malden Road London NW5 4BY
4 Tables, 16 Chairs and 2 Barriers Monday to Sunday 08:00-19:00 New Application
2021/5013/PVL
2021 Approved
24 Grafton Terrace London NW5 4JJ
Erection of a mansard roof extension and raising of party walls to provide an additional…
2021/2134/P
2020 Approved
20 Grafton Terrace London NW5 4JJ
Conversion of 1 x 1 bed flat and 1 x 3 bed flat into 1 x 4 bed dwellinghouse, erection of…
2020/1818/P
2021 Approved
La Parisienne Cafe 110 Malden Road London NW5 4BY
3 Tables, 12 Chairs and 2 Barriers Monday-Sunday 08:00-19:00 New Application
2021/2333/PVL
2020 Approved
113 Queen's Crescent London NW5 4EY
Erection of a 2 storey rear extension at basement/ ground floor following demolition of e…
2020/2387/P
2020 Refused
113 Queen's Crescent London NW5 4EY
Erection of a 2 storey rear extension at basement/ ground floor following demolition of e…
2020/2122/P
2019 Approved
112 Malden Road London NW5 4BY
Installation of metal railings with a gate to enclose land to front of residential flats…
2019/5085/P
2018 Approved
117 Queen's Crescent London NW5 4HE
Creation of first floor rear terrace on roof of rear garden outbuilding plus installation…
2018/5841/P
2017 Approved
118 Malden Road London NW5 4BY
Erection of a single storey first floor rear extension, mansard roof extension with terra…
2017/0357/P
2018 Approved
112 & 112A Malden Road London NW5 4BY
Alterations to openings, including creation of new opening at front of basement to provid…
2018/4887/P
2018 Approved
Flat B 27 Herbert Street London NW5 4HA
Erection of outbuilding [retrospective]
2018/2263/P
2018 Approved
108 Malden Road London NW5 4DA
Display of 2x externally illuminated fascia signs, 1x externally illuminated projecting s…
2018/0627/A
2017 Refused
Flat D, 117 Malden Road London NW5 4HS
Replacement of the existing timber sash windows at third floor level with double glazed u…
2017/5130/P
2017 Approved
Flat A 23 Grafton Terrace LONDON NW5 4JE
Erection of a ground floor rear extension to ground floor flat following the demolition o…
2017/3842/P
2016 Approved
112 Malden Road London NW5 4BY
Mansard roof extension to provide additional living accommodation at third floor level fo…
2016/6011/P
2016 Approved
112 Malden Road London NW5 4BY
Change of use from retail (Class A1) to residential (Class C3) to create 1 no. self-conta…
2016/3329/P
2016 Approved
129 Malden Road London NW5 4HS
The erection of a mansard roof extension, one to three storey rear extension, and associa…
2016/2220/P
2016 Approved
117 Queen's Crescent London NW5 4HE
Part demolition of existing single storey rear/side extension and erection of new single…
2016/0981/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