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Planning application

28 Parliament Hill London NW3 2TN

Granted Camden 2025/5111/P Approval of Details

Works: Extension Loft or dormer Windows or glazing

Relates to 2025/0524/P

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

Proposal

Details submitted in relation to condition 4 (chartered engineer) and 6 (green roof) of approved application 2025/0524/P dated 18/09/2025 (for: Excavation of swimming pool at ground floor level. Mansard roof extension with dormer windows, new part two storey rear extension,and ground floor roof terrace with rear spiral. Alterations to rear elevation windows. New entrance steps to the front of the property, a new side access gate and new side steps, all as approved in application 2023/0398/P dated 02/03/2023 with the exception of the lower ground swimming pool.)

As published by the council, reference 2025/5111/P

Application record

Reference
2025/5111/P
Type
Approval of Details
Status
Final Decision
Decision
Granted
Received
12 Nov 2025
Validated
25 Nov 2025
Decided
18 Aug 2026
Ward
Hampstead Town
Decision by
Delegated
Postcode
NW3 2TN

Site history

Applications at this address on the Camden register

This site has had 4 applications since 2020: 2 approved, 0 refused.

  • 2024/4314/P Withdrawn

    28 Parliament Hill London NW3 2TN

    Variation of Condition 2 (approved drawings) of permission 2023/0396/P granted on 30/08/23 for 'Amalgamation of two flats into one single family dwelling. Mansard roof extension with dormer windows, new part two storey rear extension and ground floor roof terrace with rear spiral stair. Alteration to rear elevation windows, new, entrance steps to front of property side access gate and new side access steps', namely to allow the formation of a swimming pool on the lower ground floor.

    Decided 6 Feb 2025 Full applications
  • 2020/3233/T Granted

    28 Parliament Hill London NW3 2TN

    REAR GARDEN: 1 x Apple Tree - Fell to ground level.

    Decided 3 Sep 2020 Trees
  • 2025/0524/P Awaiting decision

    28 Parliament Hill London NW3 2TN

    Excavation of a swimming pool at lower ground floor level. Amalgamation of two flats into one single family dwelling. 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 2023/0396P dated 02/03/2023 with the exception of the lower ground swimming pool.

    Full applications

Timeline

Dates from the published record

  1. 12 Nov 2025

    Received by Camden

  2. 25 Nov 2025

    Validated

    Checked as complete and ready for consideration.

  3. 24 Jul 2026

    Added to PlanIndex

  4. 18 Aug 2026

    Decision issued: Granted

Cases linked to this one on the register

  • 2025/0524/P Awaiting decision

    28 Parliament Hill London NW3 2TN

    Excavation of a swimming pool at lower ground floor level. Amalgamation of two flats into one single family dwelling. 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 2023/0396P dated 02/03/2023 with the exception of the lower ground swimming pool.

    Full applications

Documents

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

10 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.

Trade members open them from here.

Open the documents

What this grant of permission means

Camden granted permission on 18 August 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 full applications

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

Nearby applications

Within 500 metres

  • 28 Parliament Hill (garage fronts Nassington Road) London Camden NW3 2TN

    2022/3357/P 0m away

    Enlargement of garage fronting Nassington Road.

    Granted Full applications
  • 28 Parliament Hill London NW3 2TN

    2020/3233/T 0m away

    REAR GARDEN: 1 x Apple Tree - Fell to ground level.

    Granted Trees
  • 28 Parliament Hill London Camden NW3 2TN

    2024/0452/P 0m away

    Excavation and formation of basement incorporating a swimming pool

    Withdrawn Full applications
  • 28 Parliament Hill London NW3 2TN

    2024/4314/P 0m away

    Variation of Condition 2 (approved drawings) of permission 2023/0396/P granted on 30/08/23 for 'Amalgamation of two flats into one single family dwelling. Mansard roof extension with dormer windows, new part two storey rear extension and ground floor roof terrace with rear spiral stair. Alteration to rear elevation windows, new, entrance steps to front of property side access gate and new side access steps', namely to allow the formation of a swimming pool on the lower ground floor.

    Withdrawn Full applications New dwelling Extension +2
    Several homes
  • 28 Parliament Hill London NW3 2TN

    2025/0524/P 0m away

    91% historically approved

    Excavation of a swimming pool at lower ground floor level. Amalgamation of two flats into one single family dwelling. 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 2023/0396P dated 02/03/2023 with the exception of the lower ground swimming pool.

    Awaiting decision Full applications New dwelling Extension +2
    Several homes
  • 28 Parliament Hill London Camden NW3 2TN

    2024/2811/P 0m away

    Variation of condition 2 (approved drawings) of planning permission 2023/0396/P granted on 30/08/2023 for Amalgamation of two flats into one single family dwelling.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 side access gate and new side access steps, namely to allow the formation of a swimming pool on the lower ground floor.

    Withdrawn Full applications New dwelling Extension +2
    Several homes

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    15 Sep 2026 Full applications
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    15 Sep 2026 Full applications
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