3 Sandwich Street London WC1H 9PL

This site has had 4 applications since 2022: 4 approved, 0 refused.

• 2025/2925/L Granted

  3 Sandwich Street London WC1H 9PL

  The conversion of two flats into a single dwelling with associated internal alterations, erection of rear extension and alterations to windows

  Decided 3 Sep 2025 Heritage and listed buildings
• 2025/2875/P Granted

  3 Sandwich Street London WC1H 9PL

  The conversion of two flats into a single dwelling, erection of rear extension with terrace and alterations to windows.

  Decided 3 Sep 2025 Full applications
• 2021/4070/P Granted

  3 Sandwich Street London WC1H 9PL

  Conversion of garage to bedroom including replacement of two doors with windows at rear basement level

  Decided 27 Apr 2022 Full applications

1. 27 Apr 2022

   Decision issued: Granted

2. 22 Jul 2026

   Added to PlanIndex

Camden granted permission on 27 April 2022, 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.

• 8 Sandwich Street London WC1H 9PL

  2010/0259/L 0m away

  Alteration of rear elevation at basement level to include replacement of garage door with new window to dwelling (Class C3).

  Granted Heritage and listed buildings Windows or glazing
  Domestic

• Sinclair House, Sandwich House and Thanet House Sandwich Street & Thanet Street London WC1H 9PT, 9PR, 9QG.

  2020/2241/P 0m away

  Installation of CCTV cameras to Hastings Street, Sandwich Street and Thanet Street elevations.

  Granted Full applications

• Sandwich House Sandwich Street London WC1H 9PW

  2025/3383/T 0m away

  99% historically approved

  CENTRAL COURTYARD AREA: 3 x Birch (G1) - Prune back lateral branches away from building by up to 2m to suitable growth points..

  Awaiting decision Trees

• Sandwich House Sandwich Street London WC1H 9PW

  2023/0061/T 0m away

  COMMUNAL AREA AT REAR: 3 x Betula (G1) - Cut back lateral branches by up to 2m away from building.

  Granted Trees

• 10 Sandwich Street London WC1H 9PL

  2019/4948/P 39m away

  Installation of replacement front elevation door and attached windows.

  Granted Full applications Windows or glazing

• 10 Sandwich Street London WC1H 9PL

  2020/5957/P 39m away

  Alterations to fenestration, including additional timber doors, on courtyard elevations to allow access to existing internal courtyard area of the church.

  Granted Full applications 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