3 MOUNTFORT CRESCENT, LONDON, ISLINGTON, N1 1JW

1. 17 Jun 2026

   Received by Islington

2. 24 Jul 2026

   Added to PlanIndex

3. 16 Sep 2026

   Decision issued: Approve with conditions

Islington granted permission on 16 September 2026, 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, Mountfort Crescent, London, N1 1JW

  P2026/1730/LBC Submitted 30 Jun 2026 50 yards away

  93% historically approved · decision due ~15 Sep

  Alter roofing as agreed by Conservation Officer Sean McEntee 9 February 2026.

  Awaiting decision Heritage and listed buildings

• 4, Mountfort Crescent, London, N1 1JW

  P2026/1797/TRE Submitted 10 Jul 2026 50 yards away

  T2 Pear, cut back by 2m from neighbour's garden in Belitha Villas. T3 Lime, re

  Granted Trees

• 5 Mountfort Crescent, London, N1 1JW

  P2026/1581/LBC Submitted 17 Jun 2026 50 yards away

  Erection of a replacement two-storey side extension, replacement of existing rear conservatory with bay window, replacement of existing roof lantern, removal of existing non-original water tanks and timber enclosure on roof, installation of 1no. air source heat pump with acoustic enclosure in rear garden, along with other associated internal alterations.

  Granted Heritage and listed buildings Extension Windows or glazing 52 docs

• 5 Mountfort Crescent, London, N1 1JW

  P2026/1579/FUL Submitted 17 Jun 2026 50 yards away

  Erection of a replacement two-storey side extension, replacement of existing rear conservatory with bay window, replacement of existing roof lantern, removal of existing non-original water tanks and timber enclosure on roof, installation of 1no. air source heat pump with acoustic enclosure in rear garden, along with other associated internal alterations (Listed Building Consent P2026/1581/LBC also submitted)

  Granted Householder Extension Windows or glazing 52 docs
  Small domestic

• 5 Mountfort Crescent, London, N1 1JW

  P2023/3418/LBC Submitted 23 Nov 2023 50 yards away

  Demolition of the existing conservatory and erection of a replacement single-storey rear extension, replacement of side lean-to with a single-storey side extension, excavation and enlargement of the basement including the formation of a side and rear lightwell and installation of a Ground Source Heat Pump, re-roofing and installation of a triple glazed roof lantern and removal of rooftop water tank, replacement of windows and doors, and associated internal and external alterations (Full Planning Application ref. P2023/3381/FUL also submitted).

  Withdrawn Heritage and listed buildings Extension Demolition +1 2 docs
  Small domestic

• 5 Mountfort Crescent, London, N1 1JW

  P2024/3431/LBC Submitted 18 Nov 2024 50 yards away

  93% historically approved · decision due ~29 Jan

  Erection of a single-storey rear extension to replace existing conservatory, erection of a single-storey side extension to replace existing lean-to, replacement of windows and insertion of new window openings, installation of new roof covering and a roof lantern, excavation of existing basement and installation of a ground source heat pump with associated internal and external alterations including replacement of mechanical, electrical and plumbing services. (A Planning Application ref. P2024/3430/FUL has also been submitted).

  Withdrawn Heritage and listed buildings Extension Roofing +1 18 docs
  Small domestic

• P2026/2302/LBC Granted

  32, 34, 36 & 38, Amwell Street, London, EC1R 1XT

  Replacement of internal flat entrance doors, architraves and fanlights, install

  Received 1 Sep, published by the council 7 Sep 2026 Heritage and listed buildings
• P2026/2220/LBC Granted

  34, SUDELEY STREET, LONDON, ISLINGTON, N1 8HW

  Retrospective Listed Building Consent application for reroofing the front 'butt

  Received 17 Aug, published by the council 24 Aug 2026 Heritage and listed buildings
• P2026/2272/LBC Granted

  355 St John Street, London, EC1V 4LB

  Replacement of internal flat entrance doors, architraves and fanlights, install

  Received 27 Aug, published by the council 7 Sep 2026 Heritage and listed buildings
• P2026/2309/LBC Granted

  27 Barnsbury Park, London, N1 1HQ

  Replacement of internal flat entrance doors, architraves and fanlights, install

  Received 2 Sep, published by the council 7 Sep 2026 Heritage and listed buildings
• P2026/2597/LBC Awaiting decision

  28, Gerrard Road, London, N1 8BA

  The replacement of fittings and reorganisation of first floor bathroom, the adj

  Received 1 Oct, published by the council 5 Oct 2026 Heritage and listed buildings