9A Rosslyn Mews London NW3 1NN

1. 28 Feb 2011

   Decision issued: Part Granted/Refused - warn of prosecution

2. 22 Jul 2026

   Added to PlanIndex

Camden has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. More in our guide to what happens after a planning decision.

The published feed does not state which type of application this is; the register entry on Camden's portal will say. Our guide explains the common types.

• 5 Rosslyn Mews London NW3 1NN

  2016/1454/P 0m away

  Variation of Condition 4 (approved plans) of planning permission 2014/7873/P dated 22/07/2015 (for Alterations at roof level including the creation of a terrace and amendments to the elevations of the building); changes include the omission of the roof stair enclosure, alterations to the oriel bay window and other associated internal and external modifications to the building including changes to fenestration.

  Granted Full applications Windows or glazing

• 12 Rosslyn Mews London Camden NW3 1NN

  2022/3765/P 0m away

  Raising of front and rear mansard roof slopes to enclose a roof terrace with 1.8m louvres on front, rear and sides. Removal of external spiral staircase on 3rd floor rear balcony and small extension on 3rd floor at rear to provide internal access to roof terrace. Provision of replacement windows on front elevation (1st, 2nd and 3rd floor), window alterations to first floor rear extension and new front door on ground floor at rear.

  Refused Full applications Extension Loft or dormer +1

• 5 Rosslyn Mews London NW3 1NN

  2014/7873/P 0m away

  Alterations at roof level to include a raised parapet, external stair enclosure, replacement rooflight and the creation of a terrace with screening. Amendments to the elevations of the building to make good with white render, removal and relocation of windows, removal of the slate cladding on the rear and associated works.

  Granted Full applications Loft or dormer Windows or glazing

• 10 Rosslyn Hill London NW3 1NN

  2010/4543/P 0m away

  Change of use from two self-contained residential units into a single dwelling house (Class C3) and associated alterations to rear elevation lower ground floor bay window.

  Granted Full applications Windows or glazing
  Domestic

• Ground Floor Premises 5/6 Rosslyn Mews London NW3 1NN

  2013/5949/P 0m away

  Change of use of ground floor from office (Class B1a) to provide additional residential accommodation for an existing self-contained unit at first and second floor levels (Class C3).

  Granted Full applications

• 12 Rosslyn Mews London NW3 1NN

  2023/4434/P Submitted 17 Oct 2023 0m away

  Replacement of existing external spiral stair on 3rd floor with new enclosed staircase leading to existing roof terrace and replacement of all external windows with double glazed sash windows to match existing with addition of roof lights and associated works.

  Granted Householder Loft or dormer Windows or glazing 16 docs
  Domestic