23 Tamar House 12 Tavistock Place London WC1H 9RD

This site has had 4 applications since 2014: 4 approved, 0 refused.

• 2014/4708/P Granted

  23 Tamar House 12 Tavistock Place London WC1H 9RD

  Installation of dormer on rear elevation and alterations to existing windows and doors.

  Decided 18 Nov 2014 Full applications
• 2014/4709/P Granted

  23 Tamar House 12 Tavistock Place London WC1H 9RD

  Erection of rear extension at third floor level, creation of 2x rear balconies and alterations to existing windows and doors.

  Decided 18 Nov 2014 Full applications
• 2014/4821/L Granted

  23 Tamar House 12 Tavistock Place London WC1H 9RD

  Internal alterations in association with the erection of a rear extension at third floor level, creation of 2x rear balconies and alterations to existing windows and doors.

  Decided 18 Nov 2014 Heritage and listed buildings

1. 18 Nov 2014

   Decision issued: Granted

2. 22 Jul 2026

   Added to PlanIndex

Camden granted permission on 18 November 2014, 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.

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.

• 6-14 Tavistock Place (including Tamar House, no. 12) London WC1H 9RD

  2022/0311/P 0m away

  Alterations at rear roof level to replace rooflights with dormer windows; replacement of all single-glazed timber framed windows and doors at rear (all floors) and at front (top floor only) with dark grey, aluminium framed, double-glazed units; and installation of new full height door to replace window within existing opening at front top floor level.

  Granted Full applications Loft or dormer Windows or glazing

• 6-14 Tavistock Place (including Tamar House, no. 12) London WC1H 9RD

  2022/1955/L 0m away

  External alterations at rear roof level to replace rooflights with dormer windows; replacement of all single-glazed timber framed windows and doors at rear (all floors) and at front (top floor only) with dark grey, aluminium framed, double-glazed units; and installation of new full height door to replace window within existing opening at front top floor level.

  Granted Heritage and listed buildings Loft or dormer Windows or glazing

• Flats 23 25 26 Tamar House 12 Tavistock Place London WC1H 9RD

  2025/4207/L Submitted 15 Oct 2025 0m away

  Replacement of the fifth floor glazed balustrade with new toughened glass panels, fixed into existing frames.

  Granted Heritage and listed buildings Windows or glazing 15 docs

• 23 Tamar House 12 Tavistock Place London WC1H 9RD

  2014/4708/P 0m away

  Installation of dormer on rear elevation and alterations to existing windows and doors.

  Granted Full applications Loft or dormer Windows or glazing

• 23 Tamar House 12 Tavistock Place London WC1H 9RD

  2014/4709/P 0m away

  Erection of rear extension at third floor level, creation of 2x rear balconies and alterations to existing windows and doors.

  Granted Full applications Extension Windows or glazing

• 23 Tamar House 12 Tavistock Place London WC1H 9RD

  2014/4821/L 0m away

  Internal alterations in association with the erection of a rear extension at third floor level, creation of 2x rear balconies and alterations to existing windows and doors.

  Granted Heritage and listed buildings Extension Windows or glazing

• 2026/0825/L Granted

  88 Frognal London NW3 6XB

  Discharge of condition 4 (a) Plan, elevation and section drawings of all new internal doors at a scale of 1:10 with typical moulding and architrave details at a scale of 1:1. b) Plan, elevation and section drawings, including jambs, head and cill, of all new windows and doors, including garage doors and windows, at a scale of 1:10 with typical glazing bar details at 1:1) of 2025/3436/L (External works comprising demolition of existing conservatory and erection of single-storey ground floor extension; demolition of existing garage and erection of replacement garage; alterations and repairs to roof; repair and minor alterations to building facade; provision of new hard and soft landscaping. Interior works comprising general remodelling works; minor changes to planform and openings; installation of new mechanical and electrical services throughout)

  2 Mar 2026 Heritage and listed buildings
• 2026/2946/L 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 Heritage and listed buildings
• 2026/3754/L Awaiting decision

  10 Great Ormond Street London Camden WC1N 3RB

  Coversion of 3 flats into 4 and internal alterations to the listed building

  2 Sep 2026 Heritage and listed buildings
• 2026/2194/L Withdrawn

  Dunboyne Road Estate Dunboyne Road London NW3 2YY

  Installation of Air Source and Water Source Heat Pumps in basement car park with associated acoustic and security enclosures; installation of PV Panels on roof of Blocks 1, 2 and 3; removal of existing gas boilers and associated plant; installation of a new estate-wide heating network including Heat Interface Units, radiators, pipework and associated infrastructure to serve Flats 1-71; excavation of trenches and installation of below-ground heating, water and electrical infrastructure; and associated ancillary works.

  29 May 2026 Heritage and listed buildings
• 2026/3773/L Awaiting decision

  47 Kelly Street London NW1 8PG

  Replacement of concrete roof tiles with slate roof tiles (Retrospective)

  28 Aug 2026 Heritage and listed buildings