Petrone House & Calthorpe House Phoenix Place London WC1X 0DL

1. 4 Nov 2015

   Decision issued: Prior Approval not required

2. 22 Jul 2026

   Added to PlanIndex

• 2012/1897/P Granted

  Calthorpe House 15 - 20 Phoenix Place London WC1X 0DA

  Change of use of the existing building from offices (Class B1) to a new British Postal Museum and Archive (Class D1) with ancillary bar/café facilities, erection of a two storey rear extension, three storey infill side extension, single storey side extension, installation of new windows, relocation of rooftop plant area, associated alterations to the façades and landscaping following demolition of existing rear extensions and outbuildings.

  Decided 25 Jun 2012 Full applications

Camden granted permission on 4 November 2015, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• Calthorpe House 15 - 20 Phoenix Place London WC1X 0DA

  2017/0748/P 50 yards away

  Rendering of the north elevation of the development approved under planning permission 2012/1897/P dated 25/06/2012 (as amended by 2015/6263/P dated 03/12/2015 and 2015/6254/P dated 17/02/2016).

  Granted Full applications

• Calthorpe House 15 - 20 Phoenix Place London WC1X 0DA

  2015/6263/P 50 yards away

  Alterations to include the installation of metal grilles on the southern elevation, changes to the internal courtyard elevations to introduce further glazing, internal alterations and associated works approved under planning permission 2012/1897/P dated 25/06/2012.

  Granted Full applications Windows or glazing

• Calthorpe House 15 - 20 Phoenix Place London WC1X 0DA

  2016/0967/P 50 yards away

  Plans, elevations and section drawings of all new window and door openings (scale 1:10) and samples of facing materials for extensions and boundary treatment to Phoenix Place required by condition 4 of planning permission 2012/1897/P dated 25/06/12 and varied by 2015/6254/P (for change of use to a new British Postal Museum and Archive (Class D1) with ancillary bar/café facilities, two storey rear extension, three storey infill side extension, single storey side extension, installation of new windows, relocation of rooftop plant area, associated alterations to the façades and landscaping).

  Granted Full applications Extension Windows or glazing
  Small domestic

• Calthorpe House 15 - 20 Phoenix Place London WC1X 0DA

  2017/1252/P 50 yards away

  Variation of conditions 3 (use as Museum and Archive only), 7 (hours of Museum use), 8 (hours of bar/cafe use) and 9 (hours of courtyard use) of planning permission 2012/1897/P dated 25/06/2012 (as varied by 2015/6254/P dated 17/02/2016) for: (change of use from offices (B1) to a new British Postal Museum and Archive (Class D1) with ancillary bar/café facilities and associated extensions and alterations to the building) CHANGES ARE to allow the premises to be used for public and private events (Sui Generis) and extend the hours of operation of the buildings uses and courtyard.

  Granted Full applications Extension

• Calthorpe House 15-20 Phoenix Place London WC1X 0DA

  2017/1376/A 50 yards away

  Display of non-illuminated lettering sign to parapet of Calthorpe Street elevation.

  Granted

• Calthorpe House 15 - 20 Phoenix Place London WC1X 0DA

  2015/1842/P 50 yards away

  Discharge of condition 6 (Noise mitigation measures) granted under permission reference 2012/1897/P dated 25/06/12.

  Granted Full applications

• 2026/0369/P Granted

  Railway embankment and land west of 49 Adelaide Road London NW3 3QB

  Installation of a new DNO (Distribution Network Operator) cabinet and erection secure access gate to Adelaide Road, erection of staircase to railway embankment, associated works.

  Received 17 Jul, published by the council 24 Jul 2026 Full applications
• 2026/3694/P Granted

  19 Charterhouse Street London EC1N 6RA

  Details pursuant to condition 19 (external lighting) of planning permission 2025/1683/P, granted subject to a legal agreement on 05/06/2026, for remodelling, refurbishment and extensions (including 3 additional storeys) of the existing building to provide Use Class E (commercial, retail/restaurant and jewellery workspace) and associated landscaping and facade works.

  Received 27 Aug, published by the council 5 Sep 2026 Full applications
• 2026/3904/P Granted

  14 Templewood Avenue London NW3 7XA

  Details pursuant to Condition 5 (Tree protection measures) of planning permission 2026/2315/P dated 10/08/2026 for "Erection of an orangery/outbuilding in the rear garden."

  Received 9 Sep, published by the council 11 Sep 2026 Full applications
• 2025/2002/P Granted

  11 Doughty Street London WC1N 2PL

  Change of use from office (Class E) to residential to form a single-family dwelling (Class C3); associated internal and external alterations

  Received 9 May, published by the council 22 Jul 2026 Full applications
• 2026/3551/P Granted

  19 Charterhouse Street London EC1N 6RA

  Details pursuant to condition 21 (Details of gates/barriers onto Charterhouse Street) of planning permission 2025/1683/P, granted subject to a legal agreement on 05/06/2026, for remodelling, refurbishment and extensions (including 3 additional storeys) of the existing building to provide Use Class E (commercial, retail/restaurant and jewellery workspace) and associated landscaping and facade works.

  Received 19 Aug, published by the council 22 Aug 2026 Full applications