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Planning application

1 Mabledon Place London WC1H 9AJ

Granted Camden 2011/4653/P Full applications

Works: Extension Demolition Windows or glazing

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

Proposal

Extensions and alterations to existing office block to include 13,116 sqm of Class B1a and 182 sqm of Classes A1/A2/A3, as follows: reconfigured basement floors to reduce carparking from 46 to 9 spaces; relocated and enlarged commercial unit at ground floor for flexible use within Classes A1/A2/A3; demolition of conference hall at rear and replacement by 2 new floors of offices; extension of 3rd and 4th floors of annex and addition of 5th floor on annex for offices with external terraces and green roofs on 3rd and 6th floor levels; replacement of 10th floor plantroom on tower by new offices; reconfigured and relocated roof plant; associated external alterations and replacement fenestration including new canopy and forecourt at ground floor, new windows at 10th floor and new halo canopy at rooftop of tower.

As published by the council, reference 2011/4653/P

Application record

Reference
2011/4653/P
Category
Full applications
Status
Final Decision
Decision
Granted As published: Granted Subject to a Section 106 Legal Agreement
Decided
23 Dec 2011
Postcode
WC1H 9AJ

Site history

Applications at this address on the Camden register

This site has had 9 applications since 2011: 9 approved, 0 refused.

  • 2015/4641/P Granted

    1 Mabledon Place London WC1H 9AJ

    Variation of condition 14 (development in accordance with approved plans) of planning permission ref 2011/4653/P dated 23/12/2011 for extensions and alterations to existing office block (as further amended by a Minor Material Amendment ref 2013/3522/P dated 23.9.13), namely to allow reconfiguration of basement internal layout and reduction of approved car spaces from 9 to 2.

    Decided 25 Aug 2016 Full applications
  • 2014/5858/P Granted

    1 Mabledon Place London WC1H 9AJ

    Details of additional new external ventilation and air-conditioning roof plant required by condition 9 of planning permission ref 2011/4653/P dated 23/12/11 for extensions and alterations to existing office block.

    Decided 13 Nov 2014 Full applications
  • 2014/4691/P Granted

    1 Mabledon Place London WC1H 9AJ

    Details of all external ventilation and air-conditioning roof plant required by condition 9 of planning permission ref 2011/4653/P dated 23/12/11 for extensions and alterations to existing office block.

    Decided 30 Sep 2014 Full applications
  • 2014/2942/P Granted

    1 Mabledon Place London WC1H 9AJ

    Change of use from flexible use within Classes A1/A2/A3 to flexible use within Classes B1/A1/A2/A3 of new ground floor commercial unit facing Euston Road as approved by planning permission dated 23.12.11 (ref 2011/4653/P) for Extensions and alterations to existing office block.

    Decided 2 Jul 2014 Full applications
  • 2014/3212/P Granted

    1 Mabledon Place London WC1H 9AJ

    Details of security cameras, alarms and lighting to facades (condition 3); and of 'swift bricks' and 'sparrow terraces' to facades (condition 15) as required by planning permission (2011/4653/P) dated 23/12/2011 for extensions and alterations to existing office block.

    Decided 13 Jun 2014 Full applications
  • 2014/1749/P Granted

    1 Mabledon Place London WC1H 9AJ

    Approval of details of new architectural features, cladding, balustrades, screens, fenestration, materials etc. as required by condition 2; details of means of enclosure (gates and balustrades) only as required by part condition 6; details of green and brown roofs as required by condition 12; all attached to planning permission ref 2011/4653/P (dated 23/12/2011) for extensions and alterations to existing office block to include 13,116 sqm of Class B1a and 182 sqm of Classes A1/A2/A3.

    Decided 14 Apr 2014 Full applications
  • 2013/7738/A Granted

    1 Mabledon Place London WC1H 9AJ

    2x temporary banner adverts.

    Decided 10 Jan 2014
  • 2013/3522/P Granted

    1 Mabledon Place London WC1H 9AJ

    Variation of condition 14 (development to be built in accordance with approved drawings) of planning permission dated 23/12/2011 (ref 2011/4653/P) for extensions and alterations to existing office block, namely to allow alterations to roof plant and halo canopy, alterations to ground floor entrance, alterations to windows and facades of all elevations and enlargement of roof terraces

    Decided 23 Sep 2013 Full applications

Timeline

Dates from the published record

  1. 23 Dec 2011

    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

10 later applications on the register refer to this one:

  • 2017/1046/P Granted

    1 Mabledon Place London WC1H 9AX

    Details of hard and soft landscaping of level 3 and 6 roof terraces required by condition 6 of planning permission 2011/4653/P granted on 23.12.11 for extensions and alterations to existing office block.

    Decided 17 Mar 2017 Full applications
  • 2015/4641/P Granted

    1 Mabledon Place London WC1H 9AJ

    Variation of condition 14 (development in accordance with approved plans) of planning permission ref 2011/4653/P dated 23/12/2011 for extensions and alterations to existing office block (as further amended by a Minor Material Amendment ref 2013/3522/P dated 23.9.13), namely to allow reconfiguration of basement internal layout and reduction of approved car spaces from 9 to 2.

    Decided 25 Aug 2016 Full applications
  • 2014/5858/P Granted

    1 Mabledon Place London WC1H 9AJ

    Details of additional new external ventilation and air-conditioning roof plant required by condition 9 of planning permission ref 2011/4653/P dated 23/12/11 for extensions and alterations to existing office block.

    Decided 13 Nov 2014 Full applications
  • 2014/4691/P Granted

    1 Mabledon Place London WC1H 9AJ

    Details of all external ventilation and air-conditioning roof plant required by condition 9 of planning permission ref 2011/4653/P dated 23/12/11 for extensions and alterations to existing office block.

    Decided 30 Sep 2014 Full applications
  • 2014/3939/P Granted

    Unison 1 Mabledon Place London WC1H 9AJ

    Details of hard and soft landscaping of forecourts required by condition 6 of planning permission 2011/4653/P granted on 23.12.11 for extensions and alterations to existing office block.

    Decided 6 Aug 2014 Full applications
  • 2014/2942/P Granted

    1 Mabledon Place London WC1H 9AJ

    Change of use from flexible use within Classes A1/A2/A3 to flexible use within Classes B1/A1/A2/A3 of new ground floor commercial unit facing Euston Road as approved by planning permission dated 23.12.11 (ref 2011/4653/P) for Extensions and alterations to existing office block.

    Decided 2 Jul 2014 Full applications
  • 2014/3212/P Granted

    1 Mabledon Place London WC1H 9AJ

    Details of security cameras, alarms and lighting to facades (condition 3); and of 'swift bricks' and 'sparrow terraces' to facades (condition 15) as required by planning permission (2011/4653/P) dated 23/12/2011 for extensions and alterations to existing office block.

    Decided 13 Jun 2014 Full applications
  • 2014/1749/P Granted

    1 Mabledon Place London WC1H 9AJ

    Approval of details of new architectural features, cladding, balustrades, screens, fenestration, materials etc. as required by condition 2; details of means of enclosure (gates and balustrades) only as required by part condition 6; details of green and brown roofs as required by condition 12; all attached to planning permission ref 2011/4653/P (dated 23/12/2011) for extensions and alterations to existing office block to include 13,116 sqm of Class B1a and 182 sqm of Classes A1/A2/A3.

    Decided 14 Apr 2014 Full applications
  • 2013/7810/P Granted

    Unison 1 Mabledon Place London WC1H 9AJ

    Details of glazed cladding in relation to part of condition 2 of planning permission ref: 2011/4653/P, 23/11/11, for; extensions and alterations to existing office block.

    Decided 13 Dec 2013 Full applications
  • 2013/3522/P Granted

    1 Mabledon Place London WC1H 9AJ

    Variation of condition 14 (development to be built in accordance with approved drawings) of planning permission dated 23/12/2011 (ref 2011/4653/P) for extensions and alterations to existing office block, namely to allow alterations to roof plant and halo canopy, alterations to ground floor entrance, alterations to windows and facades of all elevations and enlargement of roof terraces

    Decided 23 Sep 2013 Full applications

What this grant of permission means

Camden granted permission on 23 December 2011, 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 0.3 miles

  • 1 Mabledon Place London WC1H 9AX

    2017/1046/P 50 yards away

    Details of hard and soft landscaping of level 3 and 6 roof terraces required by condition 6 of planning permission 2011/4653/P granted on 23.12.11 for extensions and alterations to existing office block.

    Granted Full applications Extension

  • 1 Mabledon Place London WC1H 9AX

    2017/5269/P 50 yards away

    Installation of two roller shutter doors to two ground floor fire exits on Euston Road.

    Granted Full applications

  • Unison 1 Mabledon Place London WC1H 9AJ

    2014/3939/P 50 yards away

    Details of hard and soft landscaping of forecourts required by condition 6 of planning permission 2011/4653/P granted on 23.12.11 for extensions and alterations to existing office block.

    Granted Full applications Extension

  • Unison 1 Mabledon Place London WC1H 9AJ

    2013/7810/P 50 yards away

    Details of glazed cladding in relation to part of condition 2 of planning permission ref: 2011/4653/P, 23/11/11, for; extensions and alterations to existing office block.

    Granted Full applications Extension Windows or glazing

  • 1 Mabledon Place London WC1H 9AJ

    2014/4691/P 50 yards away

    Details of all external ventilation and air-conditioning roof plant required by condition 9 of planning permission ref 2011/4653/P dated 23/12/11 for extensions and alterations to existing office block.

    Granted Full applications Extension

  • 1 Mabledon Place London WC1H 9AJ

    2014/2942/P 50 yards away

    Change of use from flexible use within Classes A1/A2/A3 to flexible use within Classes B1/A1/A2/A3 of new ground floor commercial unit facing Euston Road as approved by planning permission dated 23.12.11 (ref 2011/4653/P) for Extensions and alterations to existing office block.

    Granted Full applications Extension

In Camden

  • 2026/0990/P Refused

    1 Bleeding Heart Yard & 19 Greville Street London EC1N 8SJ

    Change of use from office space and restaurant use (Class E) and members club (Sui Generis) to affordable workspace and restaurant use (Class E) and 1 x residential unit on the third and fourth floors (Class C3). Erection of a two-storey roof extension across 19 Greville Street and 1 Bleeding Heart Yard, including alterations at second-floor level to the interior courtyard elevation, ground-floor fenestration changes, and a roof terrace for the associated residential unit.

    Received 26 Mar, published by the council 24 Jul 2026 Full applications
  • 2026/3044/P Granted

    London Irish Centre 50-52 Camden Square London NW1 9XB

    Details to discharge Condition 25 Part A (Air Quality Monitoring) of planning permission ref. 2020/1481/P dated 17/05/24 for 'Redevelopment of site to provide new and reconfigured community centre and ancillary residential accommodation (Class D1/ D2) involving alterations to retained buildings at No's. 50, 51 and 52 Camden Square including replacement of two storey 'link' building; demolition of Murray Street and Murray Mews buildings and replacement with part-three / part-four storey building (plus basement level) with second and third floor terraces and new entrance; associated landscaping and cycle parking'.

    Received 20 Jul, published by the council 2 Aug 2026 Full applications
  • 2026/4338/P Awaiting decision

    32 Willoughby Road London NW3 1RU

    Details to discharge condition 6 (tree protection methods) of planning permission 2025/4186/P granted 13/11/2025 for 'Demolition of existing two storey outrigger and replacement with part two-storey, part single storey rear extension, loft conversion with dormer and roof light to main roof at rear, new windows to flanking wall, replacement of existing windows and installation of a gate and fence to side'.

    Received 5 Oct, published by the council 9 Oct 2026 Full applications
  • 2026/4141/P Awaiting decision

    24 Endell Street London WC2H 9HQ

    Relocation of three air conditioning condenser units to first floor roof, construction of an acoustic enclosure and other associated works.

    Received 5 Oct, published by the council 9 Oct 2026 Full applications
  • 2026/3907/P Awaiting decision

    Flat 1 16 Lyndhurst Road London NW3 5NL

    External renovations to the front of the property, including works to the entry porch, steps, replacment front door, installation of metal railings to boundary wall and paving to front garden and erection of a glass roof to the side passage to create a bike shelter.

    Received 5 Oct, published by the council 9 Oct 2026 Full applications