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Planning application

1A Kent Terrace London NW1 4RP

Awaiting decision Westminster 26/01218/FULL Full Planning Permission Application

Works: Loft or dormer Windows or glazing

Relates to 26/01219/LBC

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Alteration to internal layouts, construction of new stairs between 2nd and 3rd floors; installation of rooflights; alterations to rear terrace and rear roof terrace including glazed screening and new door to rear roof terrace. [Linked to 26/01219/LBC]

As published by the council, reference 26/01218/FULL

Application record

Reference
26/01218/FULL
Type
Full Planning Permission Application
Status
Pending
Received
26 Feb 2026
Validated
26 Feb 2026
Ward
Regent's Park
Postcode
NW1 4RP

Site history

Applications at this address on the Westminster register

This site has had 2 applications since 2026.

  • 26/01219/LBC Awaiting decision

    1A Kent Terrace London NW1 4RP

    Alteration to internal layouts, construction of new stairs between 2nd and 3rd floors; installation of rooflights; alterations to rear terrace and rear roof terrace including glazed screening and new door to rear roof terrace. [Linked to 26/01218/FULL]

    Submitted 26 Feb 2026 Heritage and listed buildings

Timeline

Dates from the published record

  1. 26 Feb 2026

    Received by Westminster

  2. 21 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 23 April 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Westminster took a median of 66 days over the applications it decided in the last year.

Cases linked to this one on the register

  • 26/01219/LBC Awaiting decision

    1A Kent Terrace London NW1 4RP

    Alteration to internal layouts, construction of new stairs between 2nd and 3rd floors; installation of rooflights; alterations to rear terrace and rear roof terrace including glazed screening and new door to rear roof terrace. [Linked to 26/01218/FULL]

    Submitted 26 Feb 2026 Heritage and listed buildings

1 later application on the register refers to this one:

  • 26/01219/LBC Awaiting decision

    1A Kent Terrace London NW1 4RP

    Alteration to internal layouts, construction of new stairs between 2nd and 3rd floors; installation of rooflights; alterations to rear terrace and rear roof terrace including glazed screening and new door to rear roof terrace. [Linked to 26/01218/FULL]

    Submitted 26 Feb 2026 Heritage and listed buildings

Who's behind it

Company information only, from the register and Companies House

Belsize Architects Agent, an architecture practice registered in London

Active · incorporated 2012 · London

5 applications on PlanIndex · across 3 councils

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

See their track record

Documents

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

28 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.

Watch members (£5 a month) open the document list from here.

Open the documents

What happens while it is decided

This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided full applications in a median of 91 days. More in our guide to how long planning decisions take.

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 0.3 miles

  • 1A Kent Terrace London NW1 4RP

    26/01219/LBC Submitted 26 Feb 2026 50 yards away

    90% historically approved · decision due ~23 Apr

    Alteration to internal layouts, construction of new stairs between 2nd and 3rd floors; installation of rooflights; alterations to rear terrace and rear roof terrace including glazed screening and new door to rear roof terrace. [Linked to 26/01218/FULL]

    Awaiting decision Heritage and listed buildings Loft or dormer Windows or glazing 29 docs
  • Kent Passage London

    25/06700/TCA Submitted 18 Sep 2025 50 yards away

    T552 - Prunus cerasifera 'Pissardii' (Pissard's Plum): crown lift to 3m over footpath. T547 - Ilex aquifolium (Holly): Fell T555 - Prunus cerasifera 'Pissardii' (Pissard's Plum): crown lift to 3m over footpath.

    Granted Trees 8 docs
  • 3 Kent Terrace London NW1 4RP

    25/06403/LBC Submitted 8 Sep 2025 50 yards away

    Use of flat roof as a terrace; associated works including decking, balustrades and rooftop stair access enclosure with storage space. Internal alterations including the removal and addition of partitions and refurbishment (Linked to 25/06402/FULL)

    Granted Heritage and listed buildings 16 docs
  • 3 Kent Terrace London NW1 4RP

    25/06402/FULL Submitted 8 Sep 2025 50 yards away

    Use of flat roof as a terrace; associated works including decking, balustrades and rooftop stair access enclosure with storage space. Internal alterations including the removal and addition of partitions (Linked to 25/06403/LBC)

    Granted Full applications 16 docs
  • 7 Kent Terrace London NW1 4RP

    26/03917/TCA Submitted 15 Jun 2026 50 yards away

    100% historically approved · decision due ~10 Aug

    (T1) - Corkscrew Willow(Salix babylonica 'Tomentosa') -reduce crown by 25%(1.2m) to suitable growth points -trim low hanging branches by up to 2ft -remove any deadwood All works are for routine maintenance.

    Awaiting decision Trees 6 docs
  • 8 Kent Terrace London NW1 4RP

    26/02847/TCA Submitted 29 Apr 2026 50 yards away

    100% historically approved · decision due ~24 Jun

    Rear boundary (T1) - Sycamore(Acer pseudoplatanus) -reduce crown by 30%(1.5m regrowth) to previous reduction points -reduce height of tallest stems by 1m below previous cut point -remove any deadwood All works are for routine maintenance.

    Awaiting decision Trees 6 docs

In Westminster

  • 26/06295/FULL Awaiting decision

    15 Warwick Way London SW1V 1QT

    Installation of a new shopfront with Medication Dispensing Outlet.

    Received 15 Sep, published by the council 17 Sep 2026 Full applications
  • 26/06297/FULL Awaiting decision

    15 Warwick Way London SW1V 1QT

    Alterations to rear elevation at basement level comprising replacement window and installation of double opening door.

    Received 15 Sep, published by the council 17 Sep 2026 Full applications
  • 26/06294/FULL Awaiting decision

    15 Eaton Mews South London SW1W 9HP

    Installation of railings and sliding lantern light at main roof level in connection with the use of the roof as a terrace.

    Received 15 Sep, published by the council 22 Sep 2026 Full applications
  • 26/06317/FULL Awaiting decision

    124 Hamilton Terrace London NW8 9UT

    Replacement of existing first-floor sash windows to the front and rear elevations with traditionally detailed painted timber, slim-profile double-glazed sash windows. (Linked to 26/06318/LBC)

    Received 15 Sep, published by the council 22 Sep 2026 Full applications
  • 26/06273/FULL Awaiting decision

    9A Grosvenor Square London W1K 5AE

    Installation of natural Portland Stone paving to two front entrances. (Linked to 26/05473/LBC)

    Received 14 Sep, published by the council 22 Sep 2026 Full applications