16 -17 Warren Street London W1T 5LP

This site has had 5 applications since 2011: 5 approved, 0 refused.

• 2012/0129/L Granted

  16 -17 Warren Street London W1T 5LP

  Internal and external works associated with the erection of a mansard roof extension with front dormer windows and two rear roof terraces to create 1 x 2 bed and 1 x 1 bed maisonettes (Use Class C3).

  Decided 5 Jul 2012 Heritage and listed buildings
• 2011/0560/L Granted

  16 -17 Warren Street London W1T 5LP

  Amendment to listed building consent 2008/3788/L comprising removal of a dormer at rear elevation and internal alterations.

  Decided 9 Mar 2012 Heritage and listed buildings
• 2012/0127/P Granted

  16 -17 Warren Street London W1T 5LP

  Amendments to planning permission ref: 2008/3765/P (as amended by 2011/0559/P granted 12/01/2012) for the erection of a mansard roof extension with front dormer windows and two rear roof terraces to create one self-contained 2 bedroom mainsonnette at 3rd and 4th floor level, namely to install 2 x roof lights on mansard and to subdivide the 2 bed maisonette into 1 x 2 bed and 1 x 1bed maisonettes (Use Class C3).

  Decided 5 Mar 2012 Full applications
• 2011/0559/P Granted

  16 -17 Warren Street London W1T 5LP

  Amendments to planning permission ref: 2008/3765/P dated 23/07/2009 comprising removal of a dormer window at rear elevation.

  Decided 12 Jan 2012 Full applications

1. 2 Feb 2011

   Decision issued: Granted

2. 22 Jul 2026

   Added to PlanIndex

Camden granted permission on 2 February 2011, 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.

• 16 -17 Warren Street London W1T 5LP

  2012/0127/P 50 yards away

  Amendments to planning permission ref: 2008/3765/P (as amended by 2011/0559/P granted 12/01/2012) for the erection of a mansard roof extension with front dormer windows and two rear roof terraces to create one self-contained 2 bedroom mainsonnette at 3rd and 4th floor level, namely to install 2 x roof lights on mansard and to subdivide the 2 bed maisonette into 1 x 2 bed and 1 x 1bed maisonettes (Use Class C3).

  Granted Full applications Extension Loft or dormer +1

• 16 -17 Warren Street London W1T 5LP

  2011/0559/P 50 yards away

  Amendments to planning permission ref: 2008/3765/P dated 23/07/2009 comprising removal of a dormer window at rear elevation.

  Granted Full applications Loft or dormer Windows or glazing

• 16 -17 Warren Street London W1T 5LP

  2012/0129/L 50 yards away

  Internal and external works associated with the erection of a mansard roof extension with front dormer windows and two rear roof terraces to create 1 x 2 bed and 1 x 1 bed maisonettes (Use Class C3).

  Granted Heritage and listed buildings Extension Loft or dormer +1

• 16 -17 Warren Street London W1T 5LP

  2011/0560/L 50 yards away

  Amendment to listed building consent 2008/3788/L comprising removal of a dormer at rear elevation and internal alterations.

  Granted Heritage and listed buildings Loft or dormer

• Offices And Premises At 1st Floor 161 Whitfield Street London W1T 5ET

  2024/0856/P 50 yards away

  92% historically approved

  Change of use of first floor from office (Class E) to 1 bed flat (Class C3).

  Awaiting decision Full applications

• 15A Warren Street London W1T 5LN

  2011/0003/L 50 yards away

  Installation of georgian style shop front and sash window to front elevation of ground floor shop (Class A1)

  Withdrawn Heritage and listed buildings 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