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Planning application

2025/2123/P

3 Holly Mount London Camden NW3 6SG

Awaiting decision Camden Full applications

Proposal

Proposed internal alterations to the Ground floor and Lower ground floor. External alterations include; enclosure of the rear areaway, widening of openings at Ground floor, construction of parapet wall to the rear closet wing, reinstate window arch at 1st floor, installation of rooflight to the rear bathroom.

As published by the council, reference 2025/2123/P

Timeline

Dates from the published record

  1. 22 Jul 2026

    Added to PlanIndex

  2. Decision

    Awaiting decision

    The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.

What happens while it is decided

The process from here

This application is with Camden for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.

The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.

About full applications applications

How this application type works

A full application seeks permission for a complete, detailed proposal in one go: siting, design, access and landscaping are all fixed at this stage. It is the standard route for new buildings, conversions and changes of use. The statutory target is eight weeks for smaller schemes and thirteen weeks for major development, though complex cases often take longer by agreement.

More on full applications applications in our guide

Nearby applications

Within 500 metres

  • 2026/2942/L Awaiting decision

    3 Holly Mount London Camden NW3 6SG

    Erection of mansard roof extension, raising of chimneys, opening of second-floor rear window, as well as internal works including removing of partition walls and expansion staircase

    13 Jul 2026 0m away Heritage and listed buildings
  • 2026/2623/P Awaiting decision

    3 Holly Mount London Camden NW3 6SG

    Erection of mansard roof extension, raising of chimneys, opening of second-floor rear window, as well as various internal works

    23 Jun 2026 0m away Householder
  • 2025/2158/L Awaiting decision

    3 Holly Mount London NW3 6SG

    Proposed internal alterations to the Ground floor and Lower ground floor. External alterations include; enclosure of the rear areaway, widening of openings at Ground floor, construction of parapet wall to the rear closet wing, reinstate window arch at 1st floor, installation of rooflight to the rear bathroom.

    0m away Heritage and listed buildings
  • 2023/1926/L Granted

    4 Holly Mount London Camden NW3 6SG

    Creation of en-suite bathroom within existing modern roof extension.

    19 Jun 2023 6m away Heritage and listed buildings
  • 2013/7576/L Granted

    8 Holly Mount London NW3 6SG

    Alterations including replacement of modern casement windows at basement, 1st, 2nd and 3rd floor levels with new timber framed casement windows, removal of modern bay and porch at ground level and reinstatement of sash window, plus internal alterations including the reinstatement of timber panelling.

    10 Jan 2014 12m away Heritage and listed buildings
  • 2013/7540/P Granted

    8 Holly Mount London NW3 6SG

    Alterations including replacement of modern casement windows at basement, 1st, 2nd and 3rd floor levels with new timber framed casement windows, removal of modern bay and porch at ground level and reinstatement of sash window.

    10 Jan 2014 12m away Full applications

In Camden

  • 2026/0743/P Granted

    34-42 Middlesex House Cleveland Street London W1T 4JE

    Details pursuant to Condition 6 (Living Roof) of planning permission 2024/2020/P granted on 12/09/2024 "(Minor refurbishment and rooftop works including: upgraded entrance and reception area; new cycle storage and associated end of trip facilities; new/replaced rooftop plant and plant enclosures; creation of a rooftop amenity area with pavilion structure; hard and soft rooftop landscaping; and all associated and ancillary works)."

    25 Feb 2026 Full applications
  • 2026/3202/P Awaiting decision

    Flat 1 94 Goldhurst Terrace London NW6 3HS

    Erection of a single storey rear extension.

    30 Jul 2026 Full applications
  • 2026/0335/P Granted

    216A West End Lane London NW6 1UX

    Conversion of 1 x 7 bedroom flat (C3) and 1 x 2 bedroom flat (C3) to 1 x 7 bedroom House in Multiple Occupation (Sui-generis) and 1 x 1 bedroom flat (C3) and installation of four rooflights

    28 Jan 2026 Full applications
  • 2026/3229/P Awaiting decision

    52 Neal Street London WC2H 9PA

    Alterations to the shopfront and installation of awnings.

    29 Jul 2026 Full applications
  • 2026/2160/P Granted

    120 College Place London NW1 0DJ

    Erection of a rear roof extension, formation of a rear roof terrace and installation of 2x rooflights to front roof slope, and associated works.

    28 May 2026 Full applications