17-19 Bonny Street 17-19 Bonny Street London NW1 9PE

This site has had 2 applications since 2026.

• 2026/3272/P Awaiting decision

  17-19 Bonny Street 17-19 Bonny Street London NW1 9PE

  Internal and external alterations, including internal strip out, installation of a replacement mezzanine, new arch linings and new ground floor slabs, external infill repairs and alterations, together with the demolition of existing courtyard building and erection of replacement building, and associated works for the continued use of the Site for Class E(g)(iii) and / or B8 uses

  Submitted 6 Aug 2026 Full applications

1. 31 Jul 2026

   Received by Camden

2. 7 Aug 2026

   Validated

   Checked as complete and ready for consideration.

3. 15 Aug 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 2 October 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.

• THE RAILWAY ARCHES 17-19 BONNY STREET LONDON NW1 9PE

  2012/0523/L 50 yards away

  Repair of existing timber gates at the ground floor front elevation.

  Granted Heritage and listed buildings

• Arches 2 & 3 17-19 Bonny Street London Camden NW1 9PE

  2025/4022/P Submitted 11 Sep 2025 50 yards away

  Internal and external alterations to Arches 2 & 3, including internal strip-out, re-lining of arches, new part-cover mezzanines, W.C and kitchenette facilities, replacement front infills, repair works and new windows and doors to rear infills, installation of new internal and external lighting, air source heat pumps and other associated works required to enable the continued employment use (Classes E(g) and / or B8) of the Arches

  Granted Full applications Windows or glazing 16 docs

• Arches 2 & 3 17-19 Bonny Street London Camden NW1 9PE

  2025/4079/L Submitted 11 Sep 2025 50 yards away

  Internal and external alterations to Arches 2 & 3, including internal strip-out, re-lining of arches, new part-cover mezzanines, W.C and kitchenette facilities, replacement front infills, repair works and new windows and doors to rear infills, installation of new internal and external lighting, air source heat pumps and other associated works required to enable the continued employment use (Classes E(g) and / or B8) of the Arches

  Granted Heritage and listed buildings Windows or glazing 2 docs

• 17-19 Bonny Street London NW1 9PE

  2026/3273/A Submitted 31 Jul 2026 50 yards away

  77% historically approved · decision due ~30 Sep

  Installation of fascia sign above entrance to arches under railway lines

  Awaiting decision Advertising 9 docs

• 17-19 Bonny Street 17-19 Bonny Street London NW1 9PE

  2026/3272/P Submitted 6 Aug 2026 50 yards away

  92% historically approved · decision due ~2 Oct

  Internal and external alterations, including internal strip out, installation of a replacement mezzanine, new arch linings and new ground floor slabs, external infill repairs and alterations, together with the demolition of existing courtyard building and erection of replacement building, and associated works for the continued use of the Site for Class E(g)(iii) and / or B8 uses

  Awaiting decision Full applications Extension Demolition 39 docs

• Stables 1-3 & 4-5 17-19 Bonny Street London NW1 9PE

  2021/4248/P 50 yards away

  Installation of lightweight insulated roof panels with rooflights to replace the existing metal and plastic roof sheets.

  Granted Full applications Loft or dormer

• 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