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Planning application

Swiss Cottage Library 88 Avenue Road London NW3 3HA

Granted Camden 2026/1294/HS2 Schedule 18 - Heritage Agreement

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Heritage Agreement Method Statement for installation of equipment for monitoring and conservation management of ground movements due to below-ground tunnelling works for construction of HS2 railway.

As published by the council, reference 2026/1294/HS2

Application record

Reference
2026/1294/HS2
Type
Schedule 18 - Heritage Agreement
Status
Final Decision
Decision
Granted As published: Approval
Received
31 Mar 2026
Validated
2 Apr 2026
Decided
22 May 2026
Ward
Primrose Hill
Decision by
Delegated
Postcode
NW3 3HA

Site history

Applications at this address on the Camden register

This site has had 6 applications since 2016: 6 approved, 0 refused.

  • 2021/5034/P Granted

    Swiss Cottage Library 88 Avenue Road London NW3 3HA

    External works including installation of replacement double glazed windows on elevations and in roof lights, air source heat pumps and air recovery units on roof (See 2021/4889/L for details of associated internal alterations to Listed building)

    Decided 28 Mar 2022 Full applications
  • 2017/6761/P Granted

    Swiss Cottage Library 88 Avenue Road London NW3 3HA

    The installation of 50mm netting to rooftop air-handling units (AHUs) to prevent birds infesting the area.

    Decided 20 Feb 2018 Full applications
  • 2018/0215/L Granted

    Swiss Cottage Library 88 Avenue Road London NW3 3HA

    The installation of 50mm netting to rooftop air-handling units (AHUs) to prevent birds infesting the area.

    Decided 20 Feb 2018 Heritage and listed buildings
  • 2016/3122/L Granted

    Swiss Cottage Library 88 Avenue Road London NW3 3HA

    Installation of PV solar panels on the roof of Swiss Cottage Library.

    Decided 5 Dec 2016 Heritage and listed buildings
  • 2016/2911/P Granted

    Swiss Cottage Library 88 Avenue Road London NW3 3HA

    Installation of PV solar panels on the roof of Swiss Cottage Library.

    Decided 5 Dec 2016 Full applications

Timeline

Dates from the published record

  1. 31 Mar 2026

    Received by Camden

  2. 2 Apr 2026

    Validated

    Checked as complete and ready for consideration.

  3. 22 May 2026

    Decision issued: Approval

  4. 9 Aug 2026

    Added to PlanIndex

Documents

Plans, drawings, consultee responses and the officer's report

3 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

Watch members (£5 a month) open the document list from here.

Open the documents

What this grant of permission means

Camden granted permission on 22 May 2026, 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.

About heritage and listed building applications

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.

Nearby applications

Within 0.3 miles

In Camden

  • 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