173 Arlington Road London Camden NW1 7EY Data via plota.co.uk

2026/2805/P - Full Planning Permission New application
Extensions & alterations

Proposal

Mansard roof extension, including the front and rear dormers, the raised parapet, the altered flank wall and the windows installed within the dormers (Retrospective) Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
11 Aug 2026
✓
Validated
12 Aug 2026
Decision
Target date was 7 Oct 2026

Under consideration

No decision has been issued yet. Plota predicts a decision around 19 Oct 2026, from Camden's recent extensions.

The consultation period closed on 13 Sept 2026.

Documents

View the documents on the council's website ↗

Site constraints 8

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 ↗
2 Article 4 directions
Basements · Commercial, Business, and Service (Use Class E) to residential (Use Class C3) (in CAZ). Named permitted development rights are withdrawn here.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: 2B.1 Parliament Hill oak tree 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 ↗
Town centre: Camden Town
A designated centre in the London Plan.
Shops, services and active frontages are protected in centres, and main town centre uses are steered here first.
20 listed buildings within 150 m of the postcode pin
Nearest: Palmers Pet Stores, Grade II, about 46 m from the postcode pin · 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 20 with distances
Historic England ↗
Also on the record
Inside the Camden built-up area; Public transport access: PTAL 6b (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. 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.

Sales history 3

Last sold for £950,000 in October 2023. Terraced house, freehold.

10 October 2023£950,000Recorded as a transfer outside a standard sale
7 January 2005£698,000
17 July 2003£480,000

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

Building

Floor area43 m² (463 sq ft)
Energy ratingC (asset rating 56)
UseRetail/Financial and Professional Services
HeatingHeating and Natural Ventilation

From the energy performance certificate lodged in July 2023, the latest held for this property, matched to this application by its address. The building may have changed since. View the certificate

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Important details

Council
Camden
Application type
Full Planning Permission
Postcode
NW1 7EY
Received
11 Aug 2026
Validated
12 Aug 2026
Ward
Camden Town
Case officer
Show
Applicant
Show
Agent
4D PLANNING
Freehold owner
Show

Decision outlook

Day 68, past the statutory target. 70% of extensions in Camden are decided within thirteen weeks, which runs to 11 Nov 2026; extensions of time are common, and the council need not decide on the day. Last seen undecided on 12 Oct 2026.

Day 6812 days past the 56-day target
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
13 Sept 2026

Historical activity at this location

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

Within ~100m

Nearby activity

2024 Approved
15 Gloucester Crescent London NW1 7DS
Installation of new gates to front boundary.
2024/2269/L
2024 Approved
15 Gloucester Crescent London NW1 7DS
Installation of new gates to front boundary.
2024/2247/P
2024 Withdrawn
161 Arlington Road London Camden NW1 7ET
Alterations to internal partitions and doors including: removal of sections of some inter…
2024/4774/L
2024 Withdrawn
161 Arlington Road London Camden NW1 7ET
Installation of new windows and doors to the rear elevation (retrospective)
2024/4782/P
2024 Withdrawn
161 Arlington Road London Camden NW1 7ET
Installation of new windows and doors to the rear elevation.
2024/5213/L
2024 Approved
Flat 4 62 Parkway London NW1 7AH
Erection of mansard roof extension; installation of parapet guardrail system to existing…
2024/4549/P
2024 Refused
161 Arlington Road London NW1 7ET
Removal of existing rear conservatory and erection of a two storey, ground and first floo…
2024/1821/L
2024 Refused
161 Arlington Road London NW1 7ET
Removal of existing rear conservatory and erection of a two storey, ground and first floo…
2024/1376/P
2024 Approved
25 Parkway London NW1 7PG
Display of 3x non-illuminated fascia signs across the Parkway and Arlington Road elevatio…
2024/1756/A
2024 Approved
Hache Burgers 24 Inverness Street London NW1 7HJ
9 Tables and 18 Chairs Sunday - Thursday 12:00 - 21:00 Friday - Saturday 12:00 - 22:00 Re…
2024/1508/TC
2024 Approved
Itsu 189 -191 Camden High Street London NW1 7BP
4 Tables, 8 Chairs and 2 Barriers Monday - Sunday 08:00 - 22:00 New Application
2024/1878/PVL
2024 Approved
Flat 4 62 Parkway London NW1 7AH
Erection of mansard roof extension with front and rear dormer windows and flat roof with…
2024/0470/P
2023 Approved
25 Parkway London Camden NW1 7PG
New Fascia signage with illuminated lettering. 1x projecting sign
2023/3794/A
2024 Refused
The Mixer 28-30 Inverness Street London NW1 7HJ
4 Tables 8 benches (24 Seating) 5 Barriers and 4 Parasols (Currently - 7 Tables , 14 Chai…
2024/1238/PVL
2024 Approved
173 Arlington Road London NW1 7EY
Erection of mansard roof extension associated with the existing residential maisionette.
2024/0043/P
2023 Approved
62 Parkway London NW1 7AH
Installation of AC unit
2023/4442/P
2023 Approved
15 Gloucester Crescent London NW1 7DS
Replacement of single storey rear extension and internal works at lower ground to first f…
2023/4549/L
2023 Approved
15 Gloucester Crescent London NW1 7DS
Replacement of single storey rear extension and internal works at lower ground to first f…
2023/3864/P
2023 Approved
9 Parkway London Camden NW1 7PG
Erection of mansard roof extension and two to three storey rear extensions with landscape…
2023/0842/P
2023 Approved
York and Albany 127 Parkway London NW1 7PS
4 Tables and 16 Chairs and 10 Planters Monday - Thursday 08:00 - 23:00 Friday - Saturday…
2023/4965/TC
2017 Refused
33 Inverness Street London NW1 7HB
Erection of front infill extension at first, second, third and fourth floor and mansard r…
2017/6217/P
2017 Approved
Itsu 191-192 Camden High Street London NW1 7BT
4 Tables, 8 Chairs and 2 Barriers Monday to Sunday 08:00 - 22:00 Renewal Applciation
2017/5467/TC
2017 Refused
Pavement outside 197 & 199 Camden High Street London NW1 7BT
Installation of 1 x telephone kiosk on the pavement.
2017/5420/P
2017 Approved
16 Gloucester Crescent London NW1 7DS
REAR GARDEN: 1 x Mimosa - Fell by sectional takedown
2017/5925/T
2017 Approved
Cote 32 Parkway London NW1 7AH
1 Table , 2 Chairs and 1 Planters Monday to Friday 08:00 - 23:00 Saturday 09:00 - 23:00 S…
2017/5519/TC
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.

Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.

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.