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Planning application

1 Park Road London NW1 6XN

Granted Westminster 25/05813/FULL Full Planning Permission Application

Works: Windows or glazing

Relates to 25/05814/LBC

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 25/05814/LBC)

As published by the council, reference 25/05813/FULL

Application record

Reference
25/05813/FULL
Type
Full Planning Permission 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.

  • 25/05814/LBC 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 25/05813/FULL)

    Decided 7 Nov 2025 Heritage and listed buildings

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

  • 25/05814/LBC 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 25/05813/FULL)

    Decided 7 Nov 2025 Heritage and listed buildings

1 later application on the register refers to this one:

  • 25/05814/LBC 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 25/05813/FULL)

    Decided 7 Nov 2025 Heritage and listed buildings

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

22 applications on PlanIndex · across 8 councils · 78% 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

29 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 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

  • 1 Park Road London NW1 6XN

    25/05814/LBC 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 25/05813/FULL)

    Granted Heritage and listed buildings Windows or glazing 17 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

    88% 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

  • 26/07528/FULL Awaiting decision

    69 Eaton Place London SW1X 8DF

    Installation of new cast iron water pipe on rear courtyard elevation. (Linked with 26/07529/LBC)

    Received 5 Nov, published by the council 6 Nov 2026 Full applications
  • 26/05200/FULL Decided

    1 The Court House 165 Seymour Place London W1H 4PU

    Installation of waterproofing system to the existing lead flat roofs

    Received 3 Aug, published by the council 28 Aug 2026 Full applications
  • 26/07521/FULL Awaiting decision

    Flat 18 Harlequin Court 20 Tavistock Street London WC2E 7NZ

    Installation of one external condenser unit

    Received 4 Nov, published by the council 6 Nov 2026 Full applications
  • 26/07508/FULL Awaiting decision

    Buckingham Palace The Mall London SW1A 1AA

    Replacement of existing security lighting to the Buckingham Palace Forecourt with 80 compact LED spotlights installed within the lantern clusters across 10 principal piers, with associated concealed cabling and reversible fixings. (Linked with 26/07509/LBC)

    Received 4 Nov, published by the council 5 Nov 2026 Full applications
  • 26/07472/FULL Awaiting decision

    Flat 3 82 New Cavendish Street London W1G 9TA

    Replacement windows to second floor level with vacuum, double glazing windows. (Linked with 26/07473/LBC)

    Received 3 Nov, published by the council 6 Nov 2026 Full applications