21 Pratt Street London NW1 0BG

This site has had 2 applications since 2016: 1 approved, 1 refused.

• 2016/1258/P Refused

  21 Pratt Street London NW1 0BG

  Erection of mansard roof extension to dwelling

  Decided 20 Oct 2016 Full applications

1. 15 Jun 2018

   Received by Camden

2. 6 Jul 2018

   Validated

   Checked as complete and ready for consideration.

3. 31 Aug 2018

   Decision issued: Prior Approval Required - Approval Given

4. 22 Jul 2026

   Added to PlanIndex

5. 30 Sep 2026

   Status changed to FINAL DECISION

   Previously Final Decision.

Camden granted permission on 31 August 2018, 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.

Prior approval applies where permitted development rights already grant the principle of the work, leaving the council only the specific matters the rules name, commonly within 56 days. More in our guide to planning application types.

• 21-23 Pratt Street London NW1 0BG

  2019/0773/P Submitted 8 Feb 2019 50 yards away

  Installation of aluminium shopfront with stallriser, new awning and alterations to the fascia.

  Granted Full applications Windows or glazing 14 docs

• 21 Pratt Street London NW1 0BG

  2016/1258/P 50 yards away

  Erection of mansard roof extension to dwelling

  Refused Full applications Extension Loft or dormer
  Domestic

• 1st & 2nd floors 23 Pratt Street LONDON NW1 0BG

  2012/3428/P 50 yards away

  Replacement of existing steel frame windows to timber sash windows on the first and second floors of residential flats (Class C3)

  Granted Full applications New dwelling Windows or glazing

• 1st & 2nd floors 23 Pratt Street LONDON NW1 0BG

  2012/0419/P 50 yards away

  Replacement of windows from steel frame to upvc on the first and second floors of residential flats (Class C3)

  Withdrawn Full applications New dwelling Windows or glazing

• 9 St Martins Almshouses Bayham Street London NW1 0BD

  2019/0196/P Submitted 14 Jan 2019 50 yards away

  Details of basement engineer and tree protection measures required by conditions 4 and 5 of planning permission granted on 06/12/2017 under reference 2017/4287/P for the 'Demolition of existing rear extension and replacement with new single storey rear ground floor extension; new basement beneath the proposed rear extension including external light well; excavation of existing basement beneath house by additional 800mm; new conservation roof light at roof level; restoration and refurbishment works throughout original dwelling house (class C3)'.

  Granted Full applications Extension Loft or dormer +2 5 docs
  Small domestic

• 9 St Martins Almshouses Bayham Street London NW1 0BD

  2019/0195/L Submitted 14 Jan 2019 50 yards away

  Details of new windows, doors, basement tanking system and service runs/pipework required by condition 4 (parts a, b, d & e) of listed building consent granted on 06/12/2017 under reference 2017/4721/L - for the 'Demolition of existing rear extension and replacement with new single storey rear ground floor extension; new basement beneath the proposed rear extension including external light well; excavation of existing basement beneath house by additional 800mm; new conservation roof light at roof level; restoration and refurbishment works throughout original dwelling house (class C3)'.

  Granted Heritage and listed buildings Extension Loft or dormer +2 17 docs
  Small domestic

• 2026/4272/P Awaiting decision

  59 Ornan Road London NW3 4QD

  Erection of a single storey rear extension measuring 6m deep and 3.87m wide, with a maximum height of 2.95m and an eaves height of 2.55m

  Received 30 Sep, published by the council 9 Oct 2026 Prior approval
• 2026/4228/P Awaiting decision

  38 St Alban's Road London NW5 1RD

  Prior approval under Schedule 2, Part 14, Class A of The Town and Country Planning (General Permitted Development) Order 2015 (as amended) for installation of solar photovoltaic (PV) panels to the roof.

  Received 30 Sep, published by the council 9 Oct 2026 Prior approval
• 2026/2986/P Withdrawn

  Land at Whitestone Pond West Hampstead London NW3 6RF

  Erection of a telecommunications mast, installation of associated cabinets.

  Received 16 Jul, published by the council 24 Jul 2026 Prior approval
• 2026/1418/P Granted

  Land on Frognal Rise Hampstead NW3 6SZ

  Erection of a telecommunications mast, installation of associated cabinets.

  Received 10 Apr, published by the council 24 Jul 2026 Prior approval
• 2026/3785/P Awaiting decision

  15 Elliott Square London NW3 3SU

  Erection of a single storey full width rear extension 4m deep and 3m to eaves height.

  Received 3 Sep, published by the council 10 Sep 2026 Prior approval