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Planning application

Calthorpe House 15 - 20 Phoenix Place London WC1X 0DA

Granted Camden 2015/6254/P Full applications

Works: Extension Windows or glazing

Relates to 2012/1897/P

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Variation of Condition 2 (approved plans) of planning permission 2012/1897/P dated 25/06/2012 (for change of use from offices (Class B1) to a new British Postal Museum and Archive (Class D1) with ancillary bar/café facilities and associated extensions and alterations to the building) to increase the size of consented windows on the existing building; changes to the front elevation of the extension; the provision of an integral gate within the extension and a canopy over the internal courtyard.

As published by the council, reference 2015/6254/P

Application record

Reference
2015/6254/P
Category
Full applications
Status
Final Decision
Decision
Granted Subject to a Section 106 Legal Agreement
Decided
17 Feb 2016
Postcode
WC1X 0DA

Site history

Applications at this address on the Camden register

This site has had 11 applications since 2012: 11 approved, 0 refused.

  • 2017/1252/P Granted

    Calthorpe House 15 - 20 Phoenix Place London WC1X 0DA

    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.

    Decided 19 Sep 2017 Full applications
  • 2017/1376/A Granted

    Calthorpe House 15-20 Phoenix Place London WC1X 0DA

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

    Decided 19 Jun 2017
  • 2017/0921/P Granted

    Calthorpe House 15-20 Phoenix Place London WC1X 0DA

    Details of hard and soft landscaping and means of enclosure required by condition 12 of planning permission 2012/1897/P dated 25/06/12 (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).

    Decided 19 Apr 2017 Full applications
  • 2017/0748/P Granted

    Calthorpe House 15 - 20 Phoenix Place London WC1X 0DA

    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).

    Decided 6 Mar 2017 Full applications
  • 2016/0967/P Granted

    Calthorpe House 15 - 20 Phoenix Place London WC1X 0DA

    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).

    Decided 13 May 2016 Full applications
  • 2015/6263/P Granted

    Calthorpe House 15 - 20 Phoenix Place London WC1X 0DA

    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.

    Decided 3 Dec 2015 Full applications
  • 2015/1842/P Granted

    Calthorpe House 15 - 20 Phoenix Place London WC1X 0DA

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

    Decided 29 May 2015 Full applications
  • 2015/2205/P Granted

    Calthorpe House 15 - 20 Phoenix Place London WC1X 0DA

    Details of hard and soft landscaping and means of enclosure required by condition 12 of planning permission 2012/1897/P dated 25/06/12 (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)

    Decided 26 May 2015 Full applications
  • 2015/2204/P Granted

    Calthorpe House 15 - 20 Phoenix Place London WC1X 0DA

    Details of cycle storage required by condition 10 of planning permission 2012/1897/P dated 25/06/12 (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)

    Decided 24 May 2015 Full applications
  • 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

Timeline

Dates from the published record

  1. 17 Feb 2016

    Decision issued: Granted Subject to a Section 106 Legal Agreement

  2. 22 Jul 2026

    Added to PlanIndex

Cases linked to this one on the register

  • 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

3 later applications on the register refer to this one:

  • 2017/1252/P Granted

    Calthorpe House 15 - 20 Phoenix Place London WC1X 0DA

    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.

    Decided 19 Sep 2017 Full applications
  • 2017/0748/P Granted

    Calthorpe House 15 - 20 Phoenix Place London WC1X 0DA

    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).

    Decided 6 Mar 2017 Full applications
  • 2016/0967/P Granted

    Calthorpe House 15 - 20 Phoenix Place London WC1X 0DA

    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).

    Decided 13 May 2016 Full applications

What this grant of permission means

Camden granted permission on 17 February 2016, 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.

About full applications

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.

Nearby applications

Within 500 metres

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

    2017/0748/P 0m 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 0m 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 0m 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 0m 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 0m away

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

    Granted
  • Petrone House & Calthorpe House Phoenix Place London WC1X 0DL

    2015/5687/P 0m away

    Demolition of single storey outbuildings to the rear of Petrone House and Calthorpe House in works associated with 2012/1897/P

    Granted Full applications Demolition
    Small domestic

In Camden

  • 2026/2516/P Withdrawn

    31 Loveridge Road London Camden NW6 2DU

    Amalgamation of the existing three self-contained one-bedroom flats into a single-family dwelling house; demolition and replacement of existing outrigger; erection of a single-storey rear wrap-around extension; erection of a rear dormer extension; creation of a roof terrace above outrigger; replacement of existing windows with timber double glazed units; installation of rooflights to front roofslope; and installation of an air source heat pump in rear garden.

    16 Jun 2026 Full applications
  • 2026/3830/P Awaiting decision

    Euston Tower 286 Euston Road London NW1 3DP

    Deed of variation to allow more flexibility with Affordable housing payments for redevelopment of Euston Tower comprising retention of parts of the existing building (including central core, basement and foundations) and erection of a new building incorporating these retained elements, to provide a 32-storey mixed-use building providing offices and research and development floorspace (Class E(g)) and office, retail, café and restaurant space (Class E) and Enterprise Space (Class E/F) at ground and first floors, and associated external terraces; public realm enhancements, including new landscaping and provision of new publicly accessible steps and ramp; short and long stay cycle storage; servicing; refuse storage; plant and other ancillary and associated work.

    4 Sep 2026 Full applications
  • 2026/3282/P Granted

    5 Berkley Road London NW1 8XX

    Installation of 1no. above ground gas riser from the basement flat to the meter box at first floor (retrospective)

    31 Jul 2026 Full applications
  • 2026/0483/P Granted

    100 Avenue Road London NW3 3HF

    Discharge of details for condition 47 (surface water run off details) of planning permission 2026/0404/P granted on 19/06/2026 for " Variation of conditions (2 plan numbers); 8 (quantum of commercial space); 13 (commercial windows); 15 (Wind Microclimate); 19 (commercial windows); 24 (Air quality); 34 (development quantum); 40 (Circular Economy); 44 (designing out crime); 45 (Fire Strategy); 46 (SuDS); 48 (Community facility removed), 48 (wheelchair units), 49 (TfL health and safety) to planning permission ref. 2025/0852/P (for demolition of building and provision of a mixed-use residential-led development) to secure alterations to the external appearance; internal residential and commercial space layouts; omission of community floorspace and increased affordable housing provision; cycle and car parking; hard and soft landscaping, and other associated amendments”

    9 Feb 2026 Full applications
  • 2026/2697/P Awaiting decision

    Flat 1, 73 Eton Avenue London NW3 3EU

    Replacement of existing defective rear lean-to conservatory with a new slimline powder-coated aluminium framed conservatory with clear double glazing, on the exact same footprint as existing.

    3 Sep 2026 Full applications