42 Mornington Terrace London Camden NW1 7RT Data via plota.co.uk

2026/2467/P - Full Planning Permission Approved
Extensions & alterations

Proposal

Replacement door and window at lower ground floor level to rear outrigger and installation of sandstone steps in rear garden. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
9 Jul 2026
✓
Approved
10 Sept 2026

Approved on 10 Sept 2026 · Delegated · Last checked 11 Sept 2026

Documents

View the documents on the council's website ↗

Site constraints 8

21 listed buildings within 150 m of the postcode pin
Nearest: Numbers 26-52 and Attached Railings, Grade II, the postcode pin is inside its outline · 1 Grade II*, 20 Grade II
The site itself is not listed. Listed building consent is needed for work that affects the special interest of a listed building, inside or out, on top of planning permission. Setting can be a consideration for buildings nearby; there is no fixed radius.
Show all 21 with distances
Historic England ↗
Camden Town 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 ↗
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 Named permitted development rights are withdrawn here.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
Registered park or garden about 199 m away: Regent's Park; Inside the Camden built-up area; Public transport access: PTAL 6a (excellent), TfL 2023, for the 100 m square; National infrastructure project about 1958 m away: London Strategic Heat Main Project, at pre-application.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 6 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, the Planning Inspectorate, 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.

Sales history 1

Last sold for £1,600,000 in May 2015. Flat or maisonette, leasehold.

29 May 2015£1,600,000

Sale prices from HM Land Registry's price paid record, matched to this application by its address.

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Other new applications on this street

2 Sept 2026Approved

42 Mornington Terrace London NW1 7RT

FRONT GARDEN: 1 x Magnolia (Magnolia spp.) (T1) - Remove vigorous upright water ...

2026/3735/T
18 Aug 2026Approved

Flat A 51 Mornington Terrace London NW1 7RT

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

2026/3517/T
27 Jul 2026Withdrawn

50 Flat A Mornington Terrace London Camden NW1 7RT

MINOR INTERNAL AMENDMENTS TO MAISONETTE CONSISTING OF NEW PARTIITONS AND DOORS

2026/3018/NEW
16 Jul 2026Approved

Flat A 50 Mornington Terrace London NW1 7RT

Minor alterations to internal layout of lower maisonette comprising new partitio...

2026/2988/L

Nearby new applications

27 Oct 2026Pending

8 Kings Terrace Camden Town London NW1 0JP

Replacement of existing timber front door to The Bamford single entrance door wi...

2026/4505/P
27 Oct 2026Pending

5-6 Underhill Street London NW1 7HS

Change of use of ground floor rear office, first floor rear office, and first fl...

2026/4736/P
27 Oct 2026Pending

59 Gloucester Crescent London NW1 7EG

Installation of a new door to the rear, erection of stud partitions in the basem...

2026/4701/L
27 Oct 2026Pending

35 Princess Road London NW1 8JS

Amalgamation of the lower-ground-floor flat and upper dwelling to form a single ...

2026/4412/P
23 Oct 2026Pending

17 Gloucester Crescent London NW1 7DS

(TPO REF: C866 2009) FRONT GARDEN: 1 x Hornbeam (T1) - Crown thin by 30%. Reduce...

2026/4676/T
22 Oct 2026Pending

Windsor House, Bagshot House and Swinley House London NW1

The replacement and renewal of existing roof coverings, installation of lead-cla...

2026/4125/P

Important details

Council
Camden
Application type
Full Planning Permission
Postcode
NW1 7RT
Validated
9 Jul 2026
Ward
Regents Park
Case officer
Show
Decision
Granted 10-09-2026
Decision date
10 Sept 2026
Decision level
Delegated
Applicant
Show
Agent
Murray Birrell Ltd

How this decision compares

Decided in 63 days from validation, 5 days slower 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

2024 Approved
The Edinboro Castle 57 Mornington Terrace London NW1 7RU
Alterations to existing garden area including the creation of a concrete raft and replace…
2024/2786/P
2024 Approved
The Edinboro Castle 57 Mornington Terrace London NW1 7RU
Alterations to existing garden area including the creation of a concrete raft and replace…
2024/2859/L
2024 Approved
79 Albert Street London Camden NW1 7LX
Internal and external works including redesign and reconstruction of the extension at gro…
2024/4919/L
2024 Approved
79 Albert Street London Camden NW1 7LX
Internal and external works including redesign and reconstruction of the extension at gro…
2024/4880/P
2024 Approved
88 Albert Street London Camden NW1 7NR
To undertake repair and reinstatement works of subsidence-related damage.
2024/5075/L
2024 Approved
40 Mornington Terrace London Camden NW1 7RS
Change of use from a hostel (supported housing) (Class C2) to a single family dwelling (C…
2024/3586/P
2024 Approved
72 Albert Street London NW1 7NR
Replacement of rainwater and soil pipes, alterations to landscaping to the front garden a…
2024/4912/L
2024 Approved
72 Albert Street London NW1 7NR
Replacement of rainwater and soil pipes, alterations to landscaping to the front garden a…
2024/4582/P
2024 Approved
Flat D 38 Delancey Street London NW1 7NH
Replacement of timber and metal frame single glazed windows at 3rd floor level on all ele…
2024/4168/P
2024 Approved
Flat D 38 Delancey Street London NW1 7NH
External and internal alterations in connection with replacement of timber and metal fram…
2024/4315/L
2024 Approved
72 Albert Street London NW1 7NR
Removal of existing pergola and erection of new pergola structure in rear garden
2024/4915/L
2024 Approved
The Edinboro Castle Public House 57 Mornington Terrace London NW1 7RU
Internal refurbishment and external redecoration.
2024/4491/L
2024 Approved
23 Delancey Street London Camden NW1 7NP
Erection of two storey rear extension with green roof, alterations to front lightwell inc…
2024/2600/L
2024 Approved
23 Delancey Street London NW1 7NP
Erection of two storey rear extension with green roof, alterations to front lightwell and…
2024/2529/P
2024 Refused
58 Delancey Street London NW1 7RY
Internal changes to listed building.
2024/3125/L
2024 Withdrawn
88 Albert Street London Camden NW1 7NR
External and internal repairs of subsidence-related damage.
2024/0915/L
2024 Approved
58 Mornington Terrace London NW1 7RU
Schedule 18 Heritage Agreement Method Statement for Monitoring and Conservation Managemen…
2024/2667/HS2
2024 Approved
57 Mornington Terrace London NW1 7RU
Schedule 18 Heritage Agreement Method Statement for Monitoring and Conservation Managemen…
2024/2708/HS2
2024 Approved
48 Mornington Terrace London NW1 7RT
Excavation of basement extension to rear of site to create shower room with associated ex…
2024/1007/L
2024 Approved
48 Mornington Terrace London NW1 7RT
Excavation of basement extension to rear of site to create shower room with associated ex…
2024/0940/P
2019 Withdrawn
64 Delancey Street London NW1 7RY
Erection of lower ground and first floor rear extensions involving excavation within rear…
2019/3419/INVALID
2019 Approved
51B & 51C Mornington Terrace London NW1 7RT
Installation of internal secondary glazing to two windows in Flat B (first floor) and fou…
2019/2307/L
2018 Refused
50b Delancey Street London NW1 7RY
Retrofit of 2 x first-floor front sash windows with triple-glazed sealed units and 2 x fi…
2018/5160/L
2018 Refused
50b Delancey Street London NW1 7RY
Retrofit of 2 x first-floor front sash windows with triple-glazed sealed units and 2 x fi…
2018/5022/P
2019 Withdrawn
70 Delancey Street London NW1 7SA
Installation of temporary internal secondary glazing to eight windows & replacement of tw…
2019/3124/L
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

Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.