125 Arlington Road London NW1 7ET

This site has had 3 applications since 2019.

• 2019/1417/P At appeal

  125 Arlington Road London NW1 7ET

  Excavation for a full width basement extension, part-width ground floor extension, installation of screen plannters for a terrace at ground floor level, including replacement of front steps to basement, and opening up of existing basement entrance, new hard and soft landscaping arrangement to the rear elevation.

  Submitted 15 Mar 2019 Householder
• 2025/3414/T Awaiting decision

  125 Arlington Road London NW1 7ET

  DD 5 Day Notice REAR GARDEN: 1 x Walnut( T1) - Remove dangerous damaged limb and make safe (see photos).

  Trees

1. 15 Mar 2019

   Received by Camden

2. 9 Apr 2019

   Validated

   Checked as complete and ready for consideration.

3. 22 Jul 2026

   Added to PlanIndex

4. 17 Sep 2026

   Status changed to APPEAL DECIDED

   Previously Appeal Decided.

5. Decision

   Awaiting decision

   Decision expected by 4 June 2019, 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 at appeal, which passes the decision from Camden to the planning inspectorate, and the outcome will replace the council's decision. 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.

• 125 Arlington Road London NW1 7ET

  2019/1417/P Submitted 15 Mar 2019 50 yards away

  88% historically approved · decision due ~4 Jun

  Excavation for a full width basement extension, part-width ground floor extension, installation of screen plannters for a terrace at ground floor level, including replacement of front steps to basement, and opening up of existing basement entrance, new hard and soft landscaping arrangement to the rear elevation.

  At appeal Householder Extension 46 docs
  Domestic

• 127 Arlington Road London NW1 7ET

  2017/0083/T 50 yards away

  REAR GARDEN: 1 x Purple Plum - Fell 1 x Sycamore - Fell 1 x Walnut - Reduce upper crown branches on southern side by 1.5m

  Granted Trees

• 127 Arlington Road London NW1 7ET

  2023/5138/L Submitted 22 Feb 2024 50 yards away

  Replacement of sash windows and door with double glazed sash windows and door to the front basement and replacement of rear French doors with double glazed doors.

  Granted Heritage and listed buildings Windows or glazing 2 docs

• 127 Arlington Road London NW1 7ET

  2023/4769/P Submitted 22 Feb 2024 50 yards away

  Replacement of sash windows and door with double glazed sash windows and door to the front basement and replacement of rear French doors with double glazed doors.

  Granted Full applications Windows or glazing 18 docs

• 127 Arlington Road London NW1 7ET

  2025/4113/T Submitted 17 Sep 2025 50 yards away

  REAR GARDEN: 1 x Walnut (T1) - Reduce crown height by approx. 2.2m. Reduce lateral and sub lateral crown spread on the southern section of the crown overhanging and growing towards No.127 by up to approx. 3.5m - 4m, pruning back to suitable growth points. Reduce overlong branches in the remaining crown, back into the main crown structure, up to approx. 1.2m - 1.5m. Thin crown density by 15%.

  Granted Trees 2 docs

• Upper Flat 123 Arlington Road London NW1 7ET

  2015/0735/P 50 yards away

  Erection of mansard roof level to existing flat.

  Withdrawn 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