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Planning application

1 Park Road London NW1 6XN

Granted Westminster 25/05814/LBC Listed Building Consent Application

Works: Windows or glazing

Relates to 25/05813/FULL

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

Proposal

Use of lower ground and ground floor as 1x 2bed maisonette and 1x 1bed studio at first floor level; installation of secondary glazing to front elevation at lower ground, ground and first floors; and replacement double glazed units on rear elevations at lower ground, ground and first floors. (Linked with 25/05813/FULL)

As published by the council, reference 25/05814/LBC

Application record

Reference
25/05814/LBC
Type
Listed Building Consent Application
Status
Decided
Decision
Granted As published: Application Permitted
Received
18 Aug 2025
Validated
12 Sep 2025
Decided
7 Nov 2025
Ward
Regent's Park
Decision by
Delegated Decision
Postcode
NW1 6XN

Site history

Applications at this address on the Westminster register

This site has had 2 applications since 2025: 2 approved, 0 refused.

  • 25/05813/FULL Granted

    1 Park Road London NW1 6XN

    Use of lower ground and ground floor as 1x 2bed maisonette and 1x 1bed studio at first floor level; installation of secondary glazing to front elevation at lower ground, ground and first floors; and replacement double glazed units on rear elevations at lower ground, ground and first floors. (Linked with 25/05814/LBC)

    Decided 7 Nov 2025 Full applications

Timeline

Dates from the published record

  1. 18 Aug 2025

    Received by Westminster

  2. 12 Sep 2025

    Validated

    Checked as complete and ready for consideration.

  3. 7 Nov 2025

    Decision issued: Application Permitted

  4. 21 Jul 2026

    Added to PlanIndex

Cases linked to this one on the register

  • 25/05813/FULL Granted

    1 Park Road London NW1 6XN

    Use of lower ground and ground floor as 1x 2bed maisonette and 1x 1bed studio at first floor level; installation of secondary glazing to front elevation at lower ground, ground and first floors; and replacement double glazed units on rear elevations at lower ground, ground and first floors. (Linked with 25/05814/LBC)

    Decided 7 Nov 2025 Full applications

1 later application on the register refers to this one:

  • 25/05813/FULL Granted

    1 Park Road London NW1 6XN

    Use of lower ground and ground floor as 1x 2bed maisonette and 1x 1bed studio at first floor level; installation of secondary glazing to front elevation at lower ground, ground and first floors; and replacement double glazed units on rear elevations at lower ground, ground and first floors. (Linked with 25/05814/LBC)

    Decided 7 Nov 2025 Full applications

Who's behind it

Company information only, from the register and Companies House

Altaras Architecture Ltd Agent, an architecture practice registered in Royston

Active · incorporated 1997 · Royston

20 applications on PlanIndex · across 8 councils · 80% granted

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

17 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.

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What this grant of permission means

Westminster granted permission on 7 November 2025, 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

  • 1 Park Road London NW1 6XN

    25/05813/FULL Submitted 18 Aug 2025 50 yards away

    Use of lower ground and ground floor as 1x 2bed maisonette and 1x 1bed studio at first floor level; installation of secondary glazing to front elevation at lower ground, ground and first floors; and replacement double glazed units on rear elevations at lower ground, ground and first floors. (Linked with 25/05814/LBC)

    Granted Full applications Windows or glazing 29 docs
  • Ground Floor 230 Baker Street London NW1 5RT

    26/00134/CLOPUD Submitted 12 Jan 2026 50 yards away

    Amalgamation of 230 and 232 Baker Street through the opening of an internal wall at ground floor level.

    Granted Lawful development 13 docs
  • 215 Baker Street London NW1 6XE

    26/00363/TCH Submitted 22 Jan 2026 100 yards away

    89% historically approved · decision due ~19 Mar

    Use of an area of pavement measuring 2.5m x 21m for the placement of tables, chairs and planters in association with the adjacent ground floor use.

    Awaiting decision 20 docs
  • Flats 22 To 42 Clarence Gate Gardens Glentworth Street London NW1 6BA

    26/00505/FULL Submitted 28 Jan 2026 100 yards away

    87% historically approved · decision due ~25 Mar

    Installation of new service and gas pipework to the rear elevation facing Chagford Street (Retrospective).

    Awaiting decision Full applications 22 docs
  • 222 Baker Street London NW1 5RT

    26/04852/ADV Submitted 20 Jul 2026 100 yards away

    Display of a double-sided advertisement panel consisting of 2 LED digital screens positioned back-to-back measuring 2370mm x 1338mm attached to the bus shelter outside 222 Baker Street.

    Granted Advertising 7 docs
  • Clarence Gate Gardens Glentworth Street London NW1 6AY

    07/11008/FULL Submitted 18 Dec 2007 100 yards away

    Conversion of vacant lower ground floor and basement level oil fuel store to form one self-contained studio flat and associated alterations to the front basement lightwell including insertion of windows and door and installation of new external metal staircase with associated alteration to front boundary railings.

    Withdrawn Full applications Windows or glazing 13 docs

In Westminster

  • 26/04878/LBC Decided

    34 Grosvenor Street London W1K 4QU

    Internal works to facilitate the subdivision of 34 Grosvenor Street and 3 Three Kings Yard

    Received 21 Jul, published by the council 1 Aug 2026 Heritage and listed buildings
  • 26/04141/LBC Decided

    80E Randolph Avenue London W9 1BG

    Replacement of sashes in two front windows at 2nd floor level and one rear window with slimline double glazed timber sashes. (Linked with 26/04142/FULL)

    Received 23 Jun, published by the council 21 Jul 2026 Heritage and listed buildings
  • 26/06288/LBC Awaiting decision

    Barness Court 6 - 8 Westbourne Terrace London W2 3UW

    Installation of a new riser as per GW10 design comprising a single riser with 7 entries and 9 Taylor valves to be installed. (Linked with 26/06287/FULL)

    Received 14 Sep, published by the council 21 Sep 2026 Heritage and listed buildings
  • 26/06270/LBC Awaiting decision

    Maisonette Basement And Ground Floor 101 Hereford Road London W2 5BB

    Amalgamation of existing lower ground and ground floor maisonette with the first floor flat to create a single dwelling and associated internal works including creation of a staircase. (Linked with 26/06269/FULL)

    Received 14 Sep, published by the council 21 Sep 2026 Heritage and listed buildings
  • 26/06230/LBC Awaiting decision

    10 Bedford Street London WC2E 9HE

    Internal redecoration/refurbishment to the existing Caffe Nero including redecorating throughout, replacing the tiled floor in the customer area, raising the timber floor by 180mm on the left-hand side upon entry to bring interest to the area, for the existing large, boxed window cils on right-hand side upon entry; the one on the far right will be removed to give way for more seating, with the other being adapted to allow for leg space below, and two bespoke decorative chandeliers to be hung in the customer area which will be installed with structural engineer approval.

    Received 11 Sep, published by the council 21 Sep 2026 Heritage and listed buildings