Land within external yard Arches 29-41 Castle Mews London NW1 8SU Data via plota.co.uk
Proposal
Installation of a substation and associated enclosure building. Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. Plota predicts a decision between 30 Dec 2026 and 5 Feb 2027, from Camden's recent utility and infrastructure works.
Site constraints 6
Checked on 1 November 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.
Every application in Camden - and every UK council - as a live feed, an API, or a bulk CSV export.
Other new applications on this street
Nearby new applications
26 Prince Of Wales Road London NW5 3LG
REAR GARDEN: 1 x Sycamore & 2 x Ash (TG1) - Reduce by removing around 3m branch ...
Flat 2nd And 3rd Floor 24 Prince Of Wales Road London NW5 3LG
Erection of a mansard roof extension to provide additional living accommodation,...
25 Grafton Road London NW5 3DX
REAR GARDEN: 1 x Birch (T1) - Reduce branches overhanging rear neighbour back to...
23 Grafton Road London NW5 3DX
FRONT GARDEN: 1 x Ceanothus (T4) - Lift overhanging branches away from privet he...
4 Chalk Farm Road London NW1 8AA
Installation of 2 x internally illuminated projecting signs to the front and sid...
233 Royal College Street London NW1 9LT
Installation of gas riser at the front elevation from the basement vault and con...
Important details
Decision outlook
Day 7 of the 56-day target. Camden usually decides utility and infrastructure works by day 69.
Plota live figures for utility and infrastructure works decided by Camden in the last twelve months, from validation. Camden decision record →
Consultation & key dates
- Comments by
- 15 Oct 2026
Historical activity at this location
25 nearby applications on record - archival context, not part of the live application.
Nearby activity
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%).
Track this application
Land within external yard Arches 29-41 Castle Mews London NW1 8SU
Tracking this application
Not there after a minute? Check your junk folder. It's from alerts@plota.co.uk.
Go to your dashboard →Sign in to view contact details
Applicant and case-officer names are hidden from public view for privacy. Create a free Plota account - or sign back in - and we'll show them, plus you get a dashboard for alerts and tracked applications.

The consultation period closed on 15 Oct 2026.