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Planning application

34 Park Street London W1K 2JD

Granted Westminster 25/07809/LBC Listed Building Consent Application

Relates to 25/07808/FULL

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

Proposal

General refurbishment and M&E upgrade of the office building. (Linked to 25/07808/FULL)

As published by the council, reference 25/07809/LBC

Application record

Reference
25/07809/LBC
Type
Listed Building Consent Application
Status
Decided
Decision
Granted As published: Application Permitted
Received
28 Oct 2025
Validated
28 Oct 2025
Decided
8 May 2026
Ward
West End
Decision by
Delegated Decision
Postcode
W1K 2JD

Site history

Applications at this address on the Westminster register

This site has had 7 applications since 2025: 2 approved, 0 refused.

  • 26/06734/ADFULL Awaiting decision

    34 Park Street London W1K 2JD

    Details drawn at 1:10, and details of the materials, of acoustic enclosures pursuant to condition 4 (B) of planning permission dated 8th May 2026 (RN:25/07808/FULL)

    Submitted 1 Oct 2026
  • 26/05261/ADLBC Decided

    34 Park Street London W1K 2JD

    Detailed drawings of Intercom and CCTV pursuant to Condition 4 (a) of listed building consent dated 8th May 2026 (RN: 25/07809/LBC).

    Decided 27 Aug 2026
  • 26/05221/ADFULL Decided

    34 Park Street London W1K 2JD

    Detailed drawings of Intercom and CCTV pursuant to Condition 4 (a) of planning application dated 8th May 2026 (RN: 25/07808/FULL).

    Submitted 3 Aug 2026
  • 26/05196/ADLBC Awaiting decision

    34 Park Street London W1K 2JD

    Details of conservation based paint strip methodology for stone staircase, new double doors at second floor, all other new doors and new lighting pursuant to condition 5 of listed building consent dated 18 May 2026 (RN: 25/07809/LBC)

    Submitted 31 Jul 2026
  • 26/04870/NMA Awaiting decision

    34 Park Street London W1K 2JD

    Amendments to planning permission dated 8 May 2026 (25/07808/FULL) for general refurbishment and M&E upgrade of the office building namely; roof walkable skylight, GF meeting room wall mounted TV, garden bench and planters, fire lobbies, L4 glass partition, reception to hall door swing change, front lightwell electric cupboard change, wall panelling on LGF and L5, LGF modular screen, LGF courtyard window door infill, and LGF cove lighting.

    Submitted 21 Jul 2026 Amendments
  • 25/07808/FULL Granted

    34 Park Street London W1K 2JD

    General refurbishment and M&E upgrade of the office building. (Linked to 25/07809/LBC)

    Decided 8 May 2026 Full applications

Timeline

Dates from the published record

  1. 28 Oct 2025

    Received by Westminster

  2. 8 May 2026

    Decision issued: Application Permitted

  3. 21 Jul 2026

    Added to PlanIndex

Cases linked to this one on the register

  • 25/07808/FULL Granted

    34 Park Street London W1K 2JD

    General refurbishment and M&E upgrade of the office building. (Linked to 25/07809/LBC)

    Decided 8 May 2026 Full applications

3 later applications on the register refer to this one:

  • 26/05261/ADLBC Decided

    34 Park Street London W1K 2JD

    Detailed drawings of Intercom and CCTV pursuant to Condition 4 (a) of listed building consent dated 8th May 2026 (RN: 25/07809/LBC).

    Decided 27 Aug 2026
  • 26/05196/ADLBC Awaiting decision

    34 Park Street London W1K 2JD

    Details of conservation based paint strip methodology for stone staircase, new double doors at second floor, all other new doors and new lighting pursuant to condition 5 of listed building consent dated 18 May 2026 (RN: 25/07809/LBC)

    Submitted 31 Jul 2026
  • 25/07808/FULL Granted

    34 Park Street London W1K 2JD

    General refurbishment and M&E upgrade of the office building. (Linked to 25/07809/LBC)

    Decided 8 May 2026 Full applications

Who's behind it

Company information only, from the register and Companies House

Guarnieri Architects Agent, an architecture practice registered in Bromley

Active · incorporated 2005 · Bromley

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

51 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 this grant of permission means

Westminster granted permission on 8 May 2026, 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

  • 34 Park Street London W1K 2JD

    25/07808/FULL Submitted 28 Oct 2025 50 yards away

    General refurbishment and M&E upgrade of the office building. (Linked to 25/07809/LBC)

    Granted Full applications 54 docs

  • 34 Park Street London W1K 2JD

    26/04870/NMA Submitted 21 Jul 2026 50 yards away

    93% historically approved · decision due ~15 Sep

    Amendments to planning permission dated 8 May 2026 (25/07808/FULL) for general refurbishment and M&E upgrade of the office building namely; roof walkable skylight, GF meeting room wall mounted TV, garden bench and planters, fire lobbies, L4 glass partition, reception to hall door swing change, front lightwell electric cupboard change, wall panelling on LGF and L5, LGF modular screen, LGF courtyard window door infill, and LGF cove lighting.

    Awaiting decision Amendments Extension Windows or glazing

  • 34 Park Street London W1K 2JD

    26/05221/ADFULL Submitted 3 Aug 2026 50 yards away

    89% historically approved · decision due ~30 Sep

    Detailed drawings of Intercom and CCTV pursuant to Condition 4 (a) of planning application dated 8th May 2026 (RN: 25/07808/FULL).

    Decided

  • 34 Park Street London W1K 2JD

    26/06734/ADFULL Submitted 1 Oct 2026 50 yards away

    89% historically approved · decision due ~26 Nov

    Details drawn at 1:10, and details of the materials, of acoustic enclosures pursuant to condition 4 (B) of planning permission dated 8th May 2026 (RN:25/07808/FULL)

    Awaiting decision

  • 34 Park Street London W1K 2JD

    26/05196/ADLBC Submitted 31 Jul 2026 50 yards away

    89% historically approved · decision due ~25 Sep

    Details of conservation based paint strip methodology for stone staircase, new double doors at second floor, all other new doors and new lighting pursuant to condition 5 of listed building consent dated 18 May 2026 (RN: 25/07809/LBC)

    Awaiting decision

  • 34 Park Street London W1K 2JD

    26/05261/ADLBC Submitted 4 Aug 2026 50 yards away

    Detailed drawings of Intercom and CCTV pursuant to Condition 4 (a) of listed building consent dated 8th May 2026 (RN: 25/07809/LBC).

    Decided

In Westminster

  • 26/07529/LBC Awaiting decision

    69 Eaton Place London SW1X 8DF

    Installation of new cast iron water supply pipe on rear courtyard elevation. (Linked with 26/07528/FULL)

    Received 5 Nov, published by the council 6 Nov 2026 Heritage and listed buildings
  • 26/07509/LBC 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 26/07508/FULL)

    Received 4 Nov, published by the council 5 Nov 2026 Heritage and listed buildings
  • 26/07473/LBC Awaiting decision

    Flat 3 82 New Cavendish Street London W1G 9TA

    Replacement windows to second floor level with vacuum, double glazing windows. (Linked with 26/07472/FULL)

    Received 3 Nov, published by the council 6 Nov 2026 Heritage and listed buildings
  • 26/07471/LBC Awaiting decision

    12 Queen Anne's Gate London SW1H 9AA

    Excavation of single-storey basement, internal reconfiguration and installation of modern services. (Linked with 26/07470/FULL)

    Received 3 Nov, published by the council 5 Nov 2026 Heritage and listed buildings
  • 26/07461/LBC Awaiting decision

    1 Savile Row London W1S 3JR

    Minor internal works comprising redecoration and upgrades to lighting, flooring and bathroom and kitchen facilities, together with external works including new lighting and signage.

    Received 3 Nov, published by the council 5 Nov 2026 Heritage and listed buildings