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Planning application

2026/1780/P

5-6 Underhill Street London NW1 7HS

Awaiting decision Camden Full Planning Permission

Proposal

Change of use of ground floor rear office (Class E) unit to residential (Class C3) for the provision of 3no. self-contained residential units; minor alterations to fenestration at rear.

As published by the council, reference 2026/1780/P

Timeline

Dates from the published record

  1. 4 May 2026

    Received by Camden

  2. 5 May 2026

    Validated

    Checked as complete and ready for consideration.

  3. 24 Jul 2026

    Added to PlanIndex

  4. 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

  • 2019/0652/P Granted

    5-6 Underhill Street London NW1 7HS

    Variation to condition 3 (approved plans) of planning permission ref 2017/4332/P dated 29/08/2019 (as a variation to planning permission ref 2015/0034/P dated 10/03/2016 for extensions and alterations to the existing building including erection of a single storey extension to the roof fronting Underhill Street to provide a self-contained flat), namely to allow an increase in height of the existing lift shaft by 0.5m, installation of a flank door on the side/rear elevation at second floor level to allow access to amended escape stairs fronting onto Underhill Street, alterations to fenestration on the front facade, and changes from a glass balustrade on the Underhill Street elevation to integral juliet balconies.

    28 Nov 2019 0m away Full applications
  • 2024/5382/P Granted

    5-6 Underhill Street London NW1 7HS

    Change of use of ground floor front office (Class E) unit to residential (Class C3) for the provision of two self-contained residential units.

    18 Jun 2025 0m away Full applications
  • 2024/1314/P Granted

    5-6 Underhill Street London NW1 7HS

    Change of use of second floor office space (Class E) to residential (Class C3) for the provision of a new self-contained residential unit.

    11 Sep 2024 0m away Full applications
  • 2025/2776/P Granted

    5-6 Underhill Street London NW1 7HS

    Details pursuant to Condition 5 (Ground Floor Window Details) of planning permission 2024/5382/P (dated 18/06/2025) for the 'Change of use of ground floor front office (Class E) unit to residential (Class C3) for the provision of two self-contained residential units'.

    9 Jul 2025 0m away Full applications
  • 2015/0034/P Granted

    5 Underhill Street London NW1 7HS

    Extensions and alterations to the existing building including erection of a single storey extension to the roof fronting Underhill Street to provide 1 x 3 bed self-contained flat (Class C3 use) with external roof terrace and metal privacy screen, erection of two storey lift shaft to the rear at first and second floor level, installation of external fire escape staircase from ground to second floor level, alterations to the ground floor front elevation to create a new ground floor residential entrance and office entrance fronting Underhill Street, replacement of ground floor window openings with doors to bin store area and office storage area, and installation of roof light on the roof of the single storey front/side extension of the existing office building (Class B1 use).

    10 Mar 2016 0m away Full applications
  • 2022/5582/P Granted

    5 - 6 Underhill Street London NW1 7HS

    Conversion of two office suites on the second floor (Class E) into two self-contained flats (Class C3) with ancillary amenity space, new window and PV solar panels.

    1 Dec 2023 0m 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