Old Conduit House 1 Lyndhurst Terrace London NW3 5QA

This site has had 6 applications since 2014: 0 approved, 2 refused.

• 2017/0728/P Refused

  Old Conduit House 1 Lyndhurst Terrace London NW3 5QA

  Erection of full-width single storey conservatory at lower ground floor level to rear of property

  Decided 4 May 2017 Full applications
• 2017/0750/L Refused

  Old Conduit House 1 Lyndhurst Terrace London NW3 5QA

  Erection of full-width single storey conservatory at lower ground floor level to rear of property and internal alterations at lower ground and first floor levels

  Decided 4 May 2017 Heritage and listed buildings
• 2015/1963/L Withdrawn

  Old Conduit House 1 Lyndhurst Terrace London NW3 5QA

  Enlargement to 1st floor master bedroom and erection of metal framed conservatory extension to rear of house.

  Decided 18 Oct 2016 Heritage and listed buildings
• 2015/1838/P Withdrawn

  Old Conduit House 1 Lyndhurst Terrace London NW3 5QA

  Erection of metal framed conservatory extension to rear of house.

  Decided 18 Oct 2016 Full applications
• 2014/2529/P Withdrawn

  Old Conduit House 1 Lyndhurst Terrace London NW3 5QA

  Erection of single storey garden unit.

  Decided 17 Oct 2014 Full applications

1. 17 Oct 2014

   Decision issued: Withdrawn Decision

2. 22 Jul 2026

   Added to PlanIndex

The applicant withdrew this application before Camden decided it, and is free to submit a revised scheme at any time. 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.

• Old Conduit House 1 Lyndhurst Terrace London NW3 5QA

  2015/1963/L 50 yards away

  Enlargement to 1st floor master bedroom and erection of metal framed conservatory extension to rear of house.

  Withdrawn Heritage and listed buildings Extension

• 1 Lyndhurst Terrace London NW3 5QA

  2010/5149/T 50 yards away

  (TPO Ref: 21H) REAR GARDEN: 1 x Beech - Crown thin by 25% and clean.

  Granted Trees

• Old Conduit House 1 Lyndhurst Terrace London NW3 5QA

  2017/0728/P 50 yards away

  Erection of full-width single storey conservatory at lower ground floor level to rear of property

  Refused Full applications Extension
  Small domestic

• Old Conduit House 1 Lyndhurst Terrace London NW3 5QA

  2017/0750/L 50 yards away

  Erection of full-width single storey conservatory at lower ground floor level to rear of property and internal alterations at lower ground and first floor levels

  Refused Heritage and listed buildings Extension
  Small domestic

• 1 Lyndhurst Terrace London NW3 5QA

  2022/3966/L Submitted 15 Sep 2022 50 yards away

  Minor internal alterations to lower-ground floor kitchen/dining area and first-floor master bedroom, pursuant to listed building consent ref 2017/6523/L granted on 1 February 2018.

  Granted Heritage and listed buildings 9 docs

• Old Conduit House 1 Lyndhurst Terrace London NW3 5QA

  2015/1838/P 50 yards away

  Erection of metal framed conservatory extension to rear of house.

  Withdrawn Full applications Extension

• 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