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Planning application

3 Mansfield Street London W1G 9ND

Granted Westminster 20/00954/ADLBC Approval of Details (ADLBC)

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

Proposal

Details pursuant to condition 6 of listed building consent dated 7th June 2019 (RN: 19/02852), namely the submission of detailed drawings to show the proposed floor, ceiling and wall build-up.

As published by the council, reference 20/00954/ADLBC

Application record

Reference
20/00954/ADLBC
Type
Approval of Details (ADLBC)
Status
Decided
Decision
Granted As published: Application Permitted
Received
11 Feb 2020
Validated
11 Feb 2020
Decided
17 Feb 2020
Ward
West End
Decision by
Delegated Decision
Postcode
W1G 9ND

Site history

Applications at this address on the Westminster register

This site has had 3 applications since 2019: 1 approved, 0 refused.

  • 26/01013/TPO Awaiting decision

    3 Mansfield Street London W1G 9ND

    T1 + T2 = TO POLLARD 2 X LIME TREES CIRCA. 2.0/2.5MTRS LIGHT ACCESS GENERAL MAINTENANCE

    Submitted 17 Feb 2026 Trees
  • 19/03700/FULL Awaiting decision

    3 Mansfield Street London W1G 9ND

    Application for A/C condenser installation to flat roof area & insertion of full louvred door to single vault at LG level. (Linked with 19/02852/LBC)

    Submitted 15 May 2019 Full applications

Timeline

Dates from the published record

  1. 11 Feb 2020

    Received by Westminster

  2. 17 Feb 2020

    Decision issued: Application Permitted

  3. 14 Sep 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

ArkleBoyce Architects Ltd Agent, an architecture practice registered in Leeds

Active · incorporated 2014 · Leeds

47 applications on PlanIndex · across 7 councils · 100% 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

14 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.

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What this grant of permission means

Westminster granted permission on 17 February 2020, 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 condition discharge and variation applications

This application deals with conditions on an existing permission, supplying the details a condition requires or asking to vary or remove one, without reopening the permission itself. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 3 Mansfield Street London W1G 9ND

    19/03700/FULL Submitted 15 May 2019 50 yards away

    87% historically approved · decision due ~10 Jul

    Application for A/C condenser installation to flat roof area & insertion of full louvred door to single vault at LG level. (Linked with 19/02852/LBC)

    Awaiting decision Full applications
  • 3 Mansfield Street London W1G 9ND

    26/01013/TPO Submitted 17 Feb 2026 50 yards away

    100% historically approved · decision due ~14 Apr

    T1 + T2 = TO POLLARD 2 X LIME TREES CIRCA. 2.0/2.5MTRS LIGHT ACCESS GENERAL MAINTENANCE

    Awaiting decision Trees 9 docs
  • 2 Mansfield Mews London W1G 9NL

    25/06964/FULL Submitted 29 Sep 2025 50 yards away

    Replacement of existing glass roof finish with a zinc covering.

    Granted Full applications 18 docs
  • Orbis House 5 Mansfield Street London W1G 9NG

    26/00954/ADFULL Submitted 16 Feb 2026 50 yards away

    Detailed specifications, and drawings at 1:10 with full size details, of refurbishment works to the windows, and of detailed drawings at 1: 10 with full size sections through the glazing bars of the new sash windows and French windows pursuant to condition 6 of planning permission dated 5th September 2024 (RN:24/01895/FULL)

    Granted Full applications Windows or glazing 41 docs
  • Orbis House 5 Mansfield Street London W1G 9NG

    26/00940/ADLBC Submitted 16 Feb 2026 50 yards away

    Detailed specifications, and drawings at 1:10 with full size details, of refurbishment works to the windows, and of detailed drawings at 1: 10 with full size sections through the glazing bars of the new sash windows and French windows pursuant to Condition 6 of Listed Building Consent 05 September 2024 (RN24/01896/LBC)

    Granted Conditions Windows or glazing 20 docs
  • Orbis House 5 Mansfield Street London W1G 9NG

    26/04876/LBC Submitted 21 Jul 2026 50 yards away

    90% historically approved · decision due ~15 Sep

    Provision of guarding system to provide safe access for maintenance across the roof; alteration at south elevations omitting window SFW11 from the new WC, remove the existing RWP from the internal courtyard corner, removal of the existing plastic section of a redundant vent pipe at lower level and retain original lead; new cast iron rain water pipes at west elevation; and internal layout alterations at basement, ground, 2nd, 3rd floors. (Linked with 26/04873/NMA)

    Decided Heritage and listed buildings Windows or glazing

In Westminster

  • 26/04860/ADLBC Granted

    New Zealand House 80 Haymarket London SW1Y 4TE

    Details of external and internal signage strategy pursuant to Condition 7(E) of listed building consent dated 12th February 2021 (RN: 19/07816/LBC)

    Received 20 Jul, published by the council 1 Aug 2026 Conditions
  • 26/04843/ADLBC Granted

    New Zealand House 80 Haymarket London SW1Y 4TE

    Detailed design and specification of new blinds to NZH based on mock-up trials on-site pursuant to Condition 6(m) of listed building consent dated 12th February 2021 (19/07816/LBC).

    Received 20 Jul, published by the council 1 Aug 2026 Conditions
  • 26/05026/ADLBC Awaiting decision

    St James's Park The Mall London SW1A 1AA

    Details of method statement for re-carving works pursuant to condition 3(i) of listed building consent dated 16 July 2026 (RN: 26/03399/LBC)

    Received 27 Jul, published by the council 4 Aug 2026 Conditions
  • 26/04850/ADLBC Awaiting decision

    17 Belgrave Square London SW1X 8PG

    Detailed drawings of garage doors, roof lantern and any new lighting and flooring in the principal rooms pursuant to condition 6 (iii) (iv) (v) of listed building 18th August 2025 (RN:25/03417/LBC)

    Received 20 Jul, published by the council 1 Aug 2026 Conditions
  • 25/07120/ADLBC Granted

    72 - 74 Lancaster Gate London W2 3NH

    Details of new and altered doors and door architraves, including external faces of lifts (detailed elevations and sections at 1:10) pursuant to Condition 3 (A) of Listed Building Consent dated 14 December 2023 (RN: 23/00772/LBC) (Linked app: 25/07088/ADFULL)

    Received 2 Oct, published by the council 21 Jul 2026 Conditions