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Planning application

Flat Basement Rear 5a Belsize Square London NW3 4HT

Granted Camden 2023/4351/P Certificate of Lawfulness (Proposed)

Works: New dwelling

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

Proposal

Amalgamation of the existing two lower-ground floor flats into one self-contained flat (Use Class C3).

As published by the council, reference 2023/4351/P

Application record

Reference
2023/4351/P
Type
Certificate of Lawfulness (Proposed)
Status
Final Decision
Decision
Granted
Received
11 Oct 2023
Validated
9 Nov 2023
Decided
21 Nov 2023
Ward
Belsize
Decision by
Delegated
Postcode
NW3 4HT

Site history

Applications at this address on the Camden register

This site has had 4 applications since 2023: 4 approved, 0 refused.

  • 2024/0630/T Granted

    Flat Basement Rear 5a Belsize Square London NW3 4HT

    REAR GARDEN: 1 x Sycamore (T1) - Reduce height by 3m and lateral spread by 2.5m. 1 x Yew (T2) - Reduce height by 1.5m and lateral spread by 1.5m. 1 x Apple (T3) - Remove a limb pushing fence and thin out by 25%. 1 x Birch (T4) - Reduce height by 0.5m and crown lift by 1.5m. 1 x Bay (T5) - Crown lift by 2m and reduce height by 0.5m.

    Decided 9 Apr 2024 Trees
  • 2023/5435/P Granted

    Flat Basement Rear 5a Belsize Square London NW3 4HT

    Details to discharge Condition 4 (Green Roof) of planning permission 2023/4525/P dated 13/12/2023 for 'Demolition of existing lower ground-floor single-storey rear extension. Erection of single-storey lower-ground floor rear extension, and associated external alterations'.

    Decided 28 Jan 2024 Full applications
  • 2023/4525/P Granted

    Flat Basement Rear 5a Belsize Square London NW3 4HT

    Demolition of existing lower ground-floor single-storey rear extension. Erection of single-storey lower-ground floor rear extension, and associated external alterations.

    Decided 13 Dec 2023 Full applications

Timeline

Dates from the published record

  1. 11 Oct 2023

    Received by Camden

  2. 9 Nov 2023

    Validated

    Checked as complete and ready for consideration.

  3. 21 Nov 2023

    Decision issued: Granted

  4. 22 Jul 2026

    Added to PlanIndex

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 21 November 2023, 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 lawful development applications

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

Nearby applications

Within 500 metres

  • Flat Basement Rear 5a Belsize Square London NW3 4HT

    2023/4525/P Submitted 20 Oct 2023 0m away

    Demolition of existing lower ground-floor single-storey rear extension. Erection of single-storey lower-ground floor rear extension, and associated external alterations.

    Granted Full applications Extension Demolition 12 docs
    Small domestic
  • Flat 2, Basement Rear 5 Belsize Square London NW3 4HT

    2010/3130/P 0m away

    The erection of a single storey rear extension (the existing rear extension would be demolished), the enlargement of an existing window on the side elevation, and the creation of a new window to an existing lower ground floor flat (Class C3).

    Granted Full applications Extension Demolition +1
    Small domestic
  • Flat Basement Rear 5a Belsize Square London NW3 4HT

    2024/0630/T Submitted 16 Feb 2024 0m away

    REAR GARDEN: 1 x Sycamore (T1) - Reduce height by 3m and lateral spread by 2.5m. 1 x Yew (T2) - Reduce height by 1.5m and lateral spread by 1.5m. 1 x Apple (T3) - Remove a limb pushing fence and thin out by 25%. 1 x Birch (T4) - Reduce height by 0.5m and crown lift by 1.5m. 1 x Bay (T5) - Crown lift by 2m and reduce height by 0.5m.

    Granted Trees 3 docs
    Small domestic
  • Flat Basement Rear 5a Belsize Square London NW3 4HT

    2023/5435/P Submitted 22 Dec 2023 0m away

    Details to discharge Condition 4 (Green Roof) of planning permission 2023/4525/P dated 13/12/2023 for 'Demolition of existing lower ground-floor single-storey rear extension. Erection of single-storey lower-ground floor rear extension, and associated external alterations'.

    Granted Full applications Extension Demolition 4 docs
    Small domestic
  • 5a Belsize Square London NW3 4HT

    2025/0656/P 0m away

    Erection of single storey outbuilding in rear garden.

    Granted Full applications
    Small domestic
  • 5A Belsize Square London NW3 4HT

    2010/5247/T 0m away

    REAR GARDEN: 2 x Sycamore - Reduce/remove lowest branch of left hand tree and crown thin both by 15-20% 1 x Yew - Crown reduce up to 3m (amendment agreed and confirmed by Tomlinsons Tree Surgeons on 19/11/2010)

    Granted Trees

In Camden

  • 2026/3669/P Awaiting decision

    64 Westcroft Close London NW2 2RR

    Demolition of existing conservatory and erection of a single storey rear extension.

    26 Aug 2026 Lawful development
  • 2026/3405/P Granted

    Flat A and Flat B 23 Ravenshaw Street London NW6 1NP

    Amalgamation of Flat 23A and Flat 23B to form one dwellinghouse (Use Class C3), including, insofar as required, the change of use of Flat 23B from a small house in multiple occupation (Use Class C4) to a dwellinghouse (Use Class C3), together with removal of an internal blockwork partition wall.

    3 Aug 2026 Lawful development
  • 2026/3591/P Awaiting decision

    22 Ulysses Road London NW6 1EE

    Erection of an outbuilding within rear garden.

    21 Aug 2026 Lawful development
  • 2026/3566/P Awaiting decision

    41 & 43 King Henry's Road London NW3 3QR

    Subdivision and use of the buildings as two separate residential dwellings.

    19 Aug 2026 Lawful development
  • 2026/3527/P Awaiting decision

    303 Flat Ground Floor Rear Studio West End Lane London Camden NW6 1RD

    Use of ground floor studio flat as single dwelling unit (Class C3)

    18 Aug 2026 Lawful development