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Planning application

45 Flask Walk London Camden NW3 1HH

Granted Camden 2023/3912/L Heritage and listed buildings

Works: Extension Demolition Small domestic

Read from the description, not a valuation. How we read the register

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

Proposal

Demolition of an existing two storey rear extension, erection of a replacement three storey rear extension, single storey basement excavation and Internal alterations.

As published by the council, reference 2023/3912/L

Application record

Reference
2023/3912/L
Category
Heritage and listed buildings
Status
Final Decision
Decision
Granted
Decided
23 Oct 2023
Postcode
NW3 1HH

Site history

Applications at this address on the Camden register

This site has had 4 applications since 2023: 2 approved, 0 refused.

  • 2023/5188/P Granted

    45 Flask Walk London Camden NW3 1HH

    Demolition of an existing two storey rear extension, erection of a replacement three storey rear extension, single storey basement excavation and Internal alterations.

    Decided 30 Jan 2024 Reserved matters
  • 2023/2577/P Withdrawn

    45 Flask Walk London Camden NW3 1HH

    The installation of an air source heat pump in the rear garden to provide space heating and hot water to the dwelling.

    Decided 24 Nov 2023 Full applications
  • 2023/3220/L Withdrawn

    45 Flask Walk London Camden NW3 1HH

    The installation of an air source heat pump in the rear garden to provide space heating and hot water to the dwelling.

    Decided 24 Nov 2023 Heritage and listed buildings

Timeline

Dates from the published record

  1. 23 Oct 2023

    Decision issued: Granted

  2. 22 Jul 2026

    Added to PlanIndex

What this grant of permission means

Camden granted permission on 23 October 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 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

  • 45 Flask Walk London NW3 1HH

    2025/1114/L 50 yards away

    Alteration to rear window approved on 10/04/2017 (ref 2016/3901/L) at first-floor level (retrospective).

    Granted Heritage and listed buildings Windows or glazing

  • 45 Flask Walk London NW3 1HH

    2024/5666/P 50 yards away

    Amendment to planning permission ref 2016/3900/P dated 10/04/2017 (for: Demolition of an existing two storey rear extension, erection of a replacement three storey rear extension and basement excavation), NAMELY, alterations to the rear window first floor and omission of rear rooflight

    Granted Full applications Extension Loft or dormer +2

  • 45 Flask Walk London NW3 1HH

    2023/2268/L 50 yards away

    Details of lathe and lime plaster repairs to partially discharge condition 5 of listed building consent ref. 2016/3901/L granted 10/04/2017 for the Demolition of an existing two storey rear extension, erection of a replacement three storey rear extension, single storey basement excavation and Internal alterations.

    Granted Heritage and listed buildings Extension Demolition
    Small domestic

  • 45 Flask Walk London NW3 1HH

    2023/1405/L 50 yards away

    Details of rear extension materials required by part condition 6 of listed building consent ref. 2016/3901/L granted 10/04/2017 for the Demolition of an existing two storey rear extension, erection of a replacement three storey rear extension, single storey basement excavation and Internal alterations.

    Granted Heritage and listed buildings Extension Demolition
    Small domestic

  • 45 Flask Walk London NW3 1HH

    2020/1488/P 50 yards away

    Confirmation of the implementation of works under planning permission ref: 2016/3900/P dated 10/04/2017 for 'Demolition of an existing two storey rear extension, erection of a replacement three storey rear extension and basement excavation'.

    Granted Full applications Extension Demolition

  • 45 Flask Walk London NW3 1HH

    2016/3901/L 50 yards away

    Demolition of an existing two storey rear extension, erection of a replacement three storey rear extension, single storey basement excavation and Internal alterations.

    Granted Heritage and listed buildings Extension Demolition
    Small domestic

In Camden

  • 2026/3332/L Granted

    82 Hampstead High Street London Camden NW3 1RE

    Replacement chimney pots & chimney repairs.

    Received 5 Aug, published by the council 15 Aug 2026 Heritage and listed buildings
  • 2026/3162/L Granted

    48 Monmouth Street London WC2H 9EP

    Repainting works to shopfront and projecting sign bracket and display of 1 x non-illuminated fascia sign and 1 x non-illuminated replacement projecting sign.

    Received 27 Jul, published by the council 2 Aug 2026 Heritage and listed buildings
  • 2026/3964/L Awaiting decision

    3 Gainsborough Gardens London NW3 1BJ

    Reorganisation of the front garden

    Received 14 Sep, published by the council 17 Sep 2026 Heritage and listed buildings
  • 2026/3052/L Refused

    128 St Pancras Way London NW1 9NB

    Erection of rear extension and internal alterations.

    Received 17 Jul, published by the council 28 Jul 2026 Heritage and listed buildings
  • 2026/3142/L Granted

    The British Museum Great Russell Street London WC1B 3DG

    Installation of metal gate in place of approved replacement brick wall on northern boundary between nos. 11 Montague Street & 43 Russell Square.

    Received 24 Jul, published by the council 15 Aug 2026 Heritage and listed buildings