29 Museum Street London WC1A 1LH

This site has had 3 applications since 2017: 3 approved, 0 refused.

• 2017/6677/L Granted

  29 Museum Street London WC1A 1LH

  Internal alterations and refurbishment of 2nd and 3rd floor offices.

  Decided 14 Mar 2018 Heritage and listed buildings
• 2017/0662/P Granted

  29 Museum Street London WC1A 1LH

  Installation of 3 No. external heat pump units to flat roof at top of building.

  Decided 25 Jul 2017 Full applications

1. 25 Jul 2017

   Decision issued: Granted

2. 22 Jul 2026

   Added to PlanIndex

Camden granted permission on 25 July 2017, 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.

• 29 Museum Street London WC1A 1LH

  2017/0662/P 50 yards away

  Installation of 3 No. external heat pump units to flat roof at top of building.

  Granted Full applications

• 29 Museum Street London WC1A 1LH

  2017/6677/L Submitted 1 Dec 2017 50 yards away

  Internal alterations and refurbishment of 2nd and 3rd floor offices.

  Granted Heritage and listed buildings 16 docs

• 28 Museum Street London WC1A 1LH

  2012/1448/P 50 yards away

  Variation of condition 3 (development to be carried out in accordance with the approved plans) pursuant to planning permission granted on 16/2/2012 (ref 2011/6466/P) (for the change of use of first, second and third floors from office (Class B1) to 1 x 2 bed maisonette (Class C3)) to allow for minor material amendment to provide one 4 bedroom maisonette on the first, second and third floors (Class C3)

  Granted Full applications

• 28 MUSEUM STREET LONDON WC1A 1LH

  2011/6466/P 50 yards away

  Change of use of first, second and third floors from office (Class B1) to 1 x 2 bed maisonette (Class C3), formation of a terrace at rear 1st floor level, and formation of a terrace at roof level with installation of decking and balustrading at front and rear.

  Granted Full applications

• 28 Museum Street London WC1A 1LH

  2011/5016/P 50 yards away

  Change of use of the 1st to 3rd floors from offices (Class B1) to 1x4 bed maisonette (Class C3), replacement of a window with door to the rear elevation in association with the installation of new balustrade and planters to form an external terrace at rear 1st floor level, the use of existing flat roof as roof terrace with associated works and alterations to fenestration on front and rear elevations.

  Refused Full applications Windows or glazing

• 28 Museum Street London WC1A 1LH

  2011/5020/L 50 yards away

  Change of use of the 1st to 3rd floors from offices (Class B1) to 1x4 bed maisonette (Class C3), the relocation of existing stairs to the rear of the building, replacement of a window with door to the rear elevation in association with the installation of new balustrade and planters to form an external terrace at rear 1st floor level, the use of existing flat roof as roof terrace with associated works and alterations to fenestration on front and rear elevations and associated internal alterations.

  Refused 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