51B & 51C Mornington Terrace London NW1 7RT

1. 26 Jun 2019

   Decision issued: Granted

2. 22 Jul 2026

   Added to PlanIndex

Camden granted permission on 26 June 2019, 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.

• Flat A 51 Mornington Terrace London NW1 7RT

  2021/2606/T 0m away

  REAR GARDEN: 1 x Cherry tree (T1) - Fell to ground level.

  Granted Trees

• Flat A, 51 Mornington Terrace London NW1 7RT

  2021/1693/P 0m away

  Erection of a new infill single storey rear extension with green roof, excavation to create new steps to rear garden, replacement of front lower ground floor window by a timber sash window, and erection of new bin store in front garden.

  Granted Full applications Extension Windows or glazing
  Small domestic

• Flat A, 51 Mornington Terrace London NW1 7RT

  2021/4634/L 0m away

  Erection of a new infill single storey rear extension with green roof, excavation to create new steps to rear garden, replacement of front lower ground floor window by a timber sash window, erection of new bin store in front garden, and minor internal alterations to kitchen and bathroom

  Granted Heritage and listed buildings Extension Windows or glazing
  Small domestic

• Flat A 51 Mornington Terrace London NW1 7RT

  2026/3517/T Submitted 17 Aug 2026 0m away

  99% historically approved · decision due ~13 Oct

  REAR GARDEN: 1 x Bay (T1) - Fell to ground level.

  Awaiting decision Trees 4 docs

• Flat A 51 Mornington Terrace London NW1 7RT

  2021/3381/L 0m away

  Installation of two temporary mechanical ventilation units on the front elevation at basement and ground floor level for noise mitigation during construction of the HS2 railway at Euston.

  Granted Heritage and listed buildings

• 51 Mornington Terrace London NW1 7RT

  2019/5390/T 0m away

  REAR GARDEN: 1 x Acacia (T1) - Reduce by 1.5 - 2.0m and thin by 20%. T2 = 1 X Bay (T2) - Reduce in height by 2.0 - 3.0m and spread reduction by 0.25 - 0.5m and shape.

  Granted Trees

• 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