Full / Other Planning at Second Floor And Third Floor Maisonette 1 Castellain Road London W9 1EY, received 27 Jan 2026 — approved on 14 May 2026 (delegated, Stuart Croll).
Record from the Westminster planning register as captured; documents link to the council's own files. Nearby applications are context, not part of this application.
Application
What is it?
Alterations to enlarge rear dormer and install new bifold doors and create balcony with associated railings.
Context around the site — not part of this application. Designations over the site: use the map's designations filter (conservation areas, listed buildings, Article 4, flood risk …). Decisions within 250 metres of the site are listed below — context, not this application.
Other applications within 250 metres (context — nearby, not this application)
No other geocoded decision is recorded within 250 metres.