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28, Parliament Hill, London, NW3 2TN

2025/0524/PHouseholder planning & demolition in a conservation areaApproved
Householder

Approved on 8 January 2026

Approximate site (title boundary)
Boundary © HM Land Registry, © Ordnance Survey · details

This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.

Proposal

Excavation of a swimming pool at lower ground floor level. Mansard roof extension with dormer windows, new part two storey rear extension and ground floor roof terrace with rear spiral stair. Alterations to rear elevation windows. New entrance steps to the front of property, a new side access gate and new side access steps, all as approved in application 2023/0396/P dated 02/03/2023 with the exception of the lower ground swimming pool.

Submitted
6 February 2025
  1. Received6 Feb
  2. Validated
  3. Consult.
  4. Target
  5. Decided8 Jan

Decided in 336 days (council typically 49)

About this application

This is a planning application for a two storey rear extension at 28, Parliament Hill, London, NW3 2TN. Camden has handled 56 applications of this type. This one was decided in 336 days, 41 weeks longer than Camden's typical decision time. The site is in the South Hill Park conservation area. There are no previous applications recorded at this address. In the past year there have been 418 applications across Hampstead Town. We hold 2,609 applications in total for the NW3 postcode area.

90% of householder planning & demolition in a conservation area 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 2TN
Application type
Householder planning & demolition in a conservation area

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: South Hill Park
  • Article 4 direction: Basements
  • Flood zone 1: Low probability (rivers and sea)

Possibly incomplete for this council: tree preservation orders.

Also checked, none recorded (21)

flood storage 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.

Planning history at this site

1 other application at this property, newest first.

  1. 2024
    5 Feb

    Excavation and formation of basement incorporating a swimming pool

    PendingHouseholder2024/0452/P

Source: Camden

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

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