3 Sandwich Street London WC1H 9PL

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

• 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
• 2021/4890/L Granted

  3 Sandwich Street London WC1H 9PL

  Conversion of garage to bedroom including replacement of two doors with windows at rear basement level and associated internal alterations at basement and ground floor level.

  Decided 27 Apr 2022 Heritage and listed buildings
• 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. 3 Sep 2025

   Decision issued: Granted

2. 22 Jul 2026

   Added to PlanIndex

Camden granted permission on 3 September 2025, 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.

• 3 Sandwich Street London WC1H 9PL

  2025/2875/P 50 yards away

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

  Granted Full applications New dwelling Extension +1
  Several homes

• 3 Sandwich Street London WC1H 9PL

  2021/4070/P 50 yards away

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

  Granted Full applications Windows or glazing

• 4 Sandwich Street London Camden WC1H 9PL

  2024/0818/L Submitted 29 Feb 2024 50 yards away

  Replacement of the main roof covering in natural slates (Spanish), replacement of lead roof hatch with small black rooflight, and like-for-like replacement of the rear flat roof covering. (Retrospective)

  Granted Heritage and listed buildings Loft or dormer Roofing 6 docs

• 5 SANDWICH STREET LONDON WC1H 9PL

  2012/0175/L 50 yards away

  Conversion from two residential units (1x 2-bed flat and 1x 4-bed maisonette) to six residential units (4x 1-bed flats and 2x studios), installation of stairs in lightwell, door to front elevation, door and replacement window to rear elevation all at basement level, alterations to windows at ground floor level rear elevation, new gate within railings at front of property and associated internal alterations.

  Withdrawn Heritage and listed buildings New dwelling Windows or glazing

• 5 SANDWICH STREET LONDON WC1H 9PL

  2011/6459/P 50 yards away

  Conversion from two residential units (1x 2-bed flat and 1x 4-bed maisonette) to six residential units (4x 1-bed flats and 2x studios), installation of stairs in lightwell, door to front elevation, door and replacement window to rear elevation all at basement level, alterations to windows at ground floor level rear elevation, new gate within railings at front of property.

  Withdrawn Full applications New dwelling Windows or glazing

• 1 Sandwich Street London WC1H 9PF

  2026/3019/P Submitted 20 Jul 2026 50 yards away

  92% historically approved · decision due ~24 Sep

  Conversion of building from office use (Class E) to provide three residential flats (Class C3), construction of a rear extension, re-introduction of front lightwell and staircase, treatment to shopfront glazing and other associated works

  Awaiting decision Full applications New dwelling Extension +1 21 docs

• 2026/1141/L Granted

  25 John Street London WC1N 2BS

  Internal and external alterations to partition layout at basement, supporting structures and external ground level, and alterations to design of conservatory, windows and doors granted under listed building consent 2024/0338/L dated 06/08/2024.

  Received 26 Mar, published by the council 24 Jul 2026 Heritage and listed buildings
• 2025/1781/L Granted

  Frognal Rise House Lower Terrace London NW3 6RE

  Demolition of existing garage and interlinking gallery and replacement with new garage and garden room with link, new basement floor below garden, alterations to main house including replacement windows including reinstated oriel window and new French doors to entrance elevation, new roofing to side wing, new portico and replacement door to front elevation, enlargement of existing lightwell, replacement gates and canopy over entrance gate, restorations of boundary treatments, associated internal alterations including partial underpinning works and other minor alterations.

  Received 22 Apr, published by the council 22 Jul 2026 Heritage and listed buildings
• 2026/4129/L Awaiting decision

  6 Leverton Street London NW5 2PJ

  Strip out kitchen including floor tiles and replace; replace plumbing and flooring in rear ensuite; replace plumbing in front ensuite and WC; replace internal doors; replace garden wall with metal railing; replace 3 rear windows, 3 rear elevation side windows, 1 rear door and 1 rear elevation side door with double-glazed crittal windows and doors; remove 2 rear windows; render rear elevation brickwork; and associated works.

  Received 1 Oct, published by the council 9 Oct 2026 Heritage and listed buildings
• 2026/1686/L Granted

  Flat Ground and 1st Floor and Flat 2nd and 3rd Floor 14 Downshire Hill London NW3 1NR

  External and internal alterations in connection with conversion of two self-contained flats into a single-family dwellinghouse, including new doors at rear ground and second floor level, replacement windows at rear second and third floors level, removal of internal partitions, extending the stair handrail, and replacement internal doors, parquet flooring, skirting, architraves, cornicing, and fittings.

  Received 19 May, published by the council 24 Jul 2026 Heritage and listed buildings
• 2026/2202/L Refused

  4 Hampstead Square London NW3 1AB

  Erection of conservatory to front elevation.

  Received 27 May, published by the council 24 Jul 2026 Heritage and listed buildings