Skip to content

Frognal House 99 Frognal London NW3 6XR

2026/4180/LApproval of Details (Listed Building)Approved
Discharge / amendments

Approved on 11 November 2026

Council decision: Granted

Proposal

Details for partial discharge of condition 5 (Structure report) of listed building consent 2024/0176/L dated 24/09/2025 'Change of use of convent (Sui Generis) to create four residential units (C3), demolition of existing extension and erection of a part one part two storey extension with green roof. Erection of roof extension with roof terrace and railings. Excavation of basement with entrance, conversion of garage, new bin and bike stores, hard and soft landscaping and alterations to fenestrations of the main house.Internal alterations to main house'

Received
30 September 2026
Ward
Frognal
  1. Received30 Sep
  2. Validated25 Sep
  3. Consult.
  4. Target24 Oct
  5. Decided11 Nov

Decided in 47 days (council typically 49)

About this application

This is a planning application for demolition at Frognal House 99 Frognal London NW3 6XR. Camden has handled 59 applications of this type. This one was decided in 42 days, 7 days quicker than Camden's typical decision time. There have been 9 other applications at this address. In the past year there have been 298 applications across Frognal. We hold 2,616 applications in total for the NW3 postcode area.

100% of approval of details (listed building) applications at London Borough of Camden were approved. Across all application types, the council typically decides in about 7 weeks (median).

Based on decided applications received in the last 3 years.Planning something similar? See what gets approved on your street

Application details

Postcode
NW3 6XR
Application type
Approval of Details (Listed Building)

Planning application dates

Date validated
25 September 2026
Target decision date
24 October 2026

Applicant and agent

Applicant
Private applicant

Planning decision

Case officer
Ewan Campbell

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations at the address point. Ones next to the site may also apply.

  • Article 4 direction: Basements
  • Flood zone 1: Low probability (rivers and sea)

Possibly incomplete for this council: tree preservation orders.

Also checked, none recorded (22)

flood storage areas, conservation areas, listed buildings, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.

A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.

Data © Crown copyright and others · sources and licences

Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.

© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-11-03. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.

© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.

© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.

Contains Ordnance Survey data © Crown copyright and database right 2026.

Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.

Associated applications

  1. 2026
    30 Sep

    Details for partial discharge of condition 4 (Materials) (Part B only) of listed building consent 2024/0176/L

    PendingDischarge of conditions2026/4179/L
  2. 2026
    30 Sep

    Details for partial discharge of condition 4 (Materials) (Part B only) of listed building consent 2024/0176/L

    PendingDischarge of conditions2026/4179/P
  3. 2026
    30 Sep

    Details for partial discharge of condition 5 (Structure report) of listed building consent 2024/0176/L

    This applicationApprovedDischarge of conditions2026/4180/L
  4. 2024
    3 Jan

    Change of use of convent (Sui Generis) to create four residential units (C3), demolition of existing…

    PendingFull Planning PermissionFiled alongside2024/0030/P
  5. 2024
    3 Jan

    Change of use of convent (Sui Generis) to create four residential units (C3), demolition of existing…

    PendingListed building consentPart of2024/0176/L

Source: Camden

Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.

Track this application

Get email alerts when there is a planning decision or status change.

Get email alerts near NW3

New planning applications delivered to your inbox daily.

Around this site

Discuss this application on r/PlanningPermissionUK

For applicants and trades

Planning something similar?

See what the council approved and refused on your street for the project you have in mind. Pick your home and get the evidence before you pay for drawings.

See what gets approved on your streetBuying this property? Report on this address