Basement and Ground Floor Flats Bloomsbury House 9 Guilford Street London WC1N 1DT

This site has had 2 applications since 2025: 2 approved, 0 refused.

• 2025/3984/P Granted

  Basement and Ground Floor Flats Bloomsbury House 9 Guilford Street London WC1N 1DT

  Installation of new front staircase leading to basement flat (retrospective).

  Decided 21 May 2026 Full applications

1. 31 Oct 2025

   Received by Camden

2. 3 Nov 2025

   Validated

   Checked as complete and ready for consideration.

3. 21 May 2026

   Decision issued: Granted and Warning of Enforcement Action

4. 9 Aug 2026

   Added to PlanIndex

Camden granted permission on 21 May 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.

• Basement and Ground Floor Flats Bloomsbury House 9 Guilford Street London WC1N 1DT

  2025/3984/P Submitted 31 Oct 2025 50 yards away

  Installation of new front staircase leading to basement flat (retrospective).

  Granted Full applications 12 docs

• 8 Guilford Street London WC1N 1DA

  2023/4410/L 50 yards away

  Erection of first floor rear extension to provide additional residential floor space, insertion of a dedicated entrance for the residential dwelling from Guilford Street, replacement of existing mansard hatch with a new window, various other internal and external alterations as part of refurbishment of existing building.

  Granted Heritage and listed buildings Extension Loft or dormer +1
  Domestic

• Nadfas House 8 Guilford Street London WC1N 1DA

  2025/0492/P 50 yards away

  Installation of plant at roof level and associated acoustic screen, installation of plant in rear lightwell, new dormer windows.

  Granted Full applications Loft or dormer Windows or glazing

• Nadfas House 8 Guilford Street London WC1N 1DA

  2025/0698/L 50 yards away

  Installation of plant at roof level and erection of associated roof treatments and acoustic screen, installation of plant in lightwell.

  Withdrawn Heritage and listed buildings

• Nadfas House, Offices And Premises At Lower Ground Ground And Part 1st Floor 8 Guilford Street London WC1N 1DA

  2025/0491/P 50 yards away

  Use of the ASHP to provide active cooling to the residential dwelling in addition to the office space, approved under planning permission 2023/4236/P dated 26/07/2024

  Withdrawn Full applications
  Domestic

• Nadfas House 8 Guilford Street London WC1N 1DA

  2025/0562/L 50 yards away

  Installation of plant at roof level and associated acoustic screen, installation of plant in lightwell, replacement windows to side dormers, internal alterations including changs to layout

  Granted Heritage and listed buildings Loft or dormer Windows or glazing

• 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