1 and 2 Cumberland Place London NW1 4NA

This site has had 2 applications since 2026.

• 2026/2361/P Awaiting decision

  1 and 2 Cumberland Place London NW1 4NA

  Creation of orangery in the lower ground floor lightwell, lowering of existing floor levels at basement level, roof alterations, installation of new plant on the roof and external landscaping all in association with amalgamation of two dwellings into a single-family dwelling.

  Submitted 9 Jun 2026 Full applications

1. 9 Jun 2026

   Received by Camden

2. 11 Jun 2026

   Validated

   Checked as complete and ready for consideration.

3. 24 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 6 August 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Camden took a median of 43 days over the applications it decided in the last year.

This application is with Camden for determination, against a statutory target of eight weeks. Over the last year Camden decided heritage and listed building applications in a median of 56 days. More in our guide to how long planning decisions take.

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.

• 1 Cumberland Place London NW1 4NA

  2014/7220/P 50 yards away

  Various alterations to the existing roof garden above the single storey basement extension which includes tree planting and the repaving of lower garden/courtyard with Portland Stone.

  Granted Full applications Extension
  Small domestic

• 1 Cumberland Place London NW1 4NA

  2014/7321/L 50 yards away

  Various alterations to the existing roof garden above the single storey basement extension which includes tree planting and the repaving of lower garden/courtyard with Portland Stone.

  Granted Heritage and listed buildings Extension
  Small domestic

• 1 Cumberland Place London NW1 4NA

  2021/3101/T 50 yards away

  FRONT GARDEN: 1 x Laburnum (T1) - Fell to ground level.

  Granted Trees

• 1 and 2 Cumberland Place London NW1 4NA

  2026/2361/P Submitted 9 Jun 2026 50 yards away

  92% historically approved · decision due ~6 Aug

  Creation of orangery in the lower ground floor lightwell, lowering of existing floor levels at basement level, roof alterations, installation of new plant on the roof and external landscaping all in association with amalgamation of two dwellings into a single-family dwelling.

  Awaiting decision Full applications Extension Roofing 78 docs
  Several homes

• 1 Cumberland Place London NW1 4NA

  2013/4750/P 50 yards away

  Re-design of the existing roof garden above the single storey section of the house, removing the existing raised planters, pergolas, water feature and planters with trees and shrub planting, and providing in their place an enlarged shallow reflective pool with stone walkway, stone clad raised curved water feature with fountains and seating, raised stone clad planters, stepped lawn, evergreen tiered hedging to enclose, and tree and herbaceous planting.

  Withdrawn Full applications Trees
  Small domestic

• 1 Cumberland Place London NW1 4NA

  2013/6008/L 50 yards away

  Re-design of the existing roof garden above the single storey section of the house, removing the existing raised planters, pergolas, water feature and planters with trees and shrub planting, and providing in their place an enlarged shallow reflective pool with stone walkway, stone clad raised curved water feature with fountains and seating, raised stone clad planters, stepped lawn, evergreen tiered hedging to enclose, and tree and herbaceous planting.

  Withdrawn Heritage and listed buildings Trees
  Small domestic

• 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