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Planning application

37 Harley Street London W1G 8QG

Decided Westminster 26/05434/LBC Heritage and listed buildings

Works: Windows or glazing

Decided. The decision notice on the council portal carries the outcome in full, including any conditions.

Proposal

Installation of secondary glazing to the arched window at ground floor level.

As published by the council, reference 26/05434/LBC

Application record

Reference
26/05434/LBC
Category
Heritage and listed buildings
Status
Decided
Received
10 Aug 2026
Validated
10 Aug 2026
Decided
28 Sep 2026
Postcode
W1G 8QG

Site history

Applications at this address on the Westminster register

This site has had 4 applications since 2026.

  • 26/06417/ADLBC Decided

    37 Harley Street London W1G 8QG

    Detailed of the proposed fan coil units and service drawing plans and a method statement in relation to the installation of the intenal and external units pursuant to conditions 3 and 4 of listed building consent dated 18th August 2026 (RN: 26/03518/LBC).

    Submitted 18 Sep 2026
  • 26/03517/FULL Awaiting decision

    37 Harley Street London W1G 8QG

    Installation of two air condenser units within acoustic enclosure to front lightwell. (Linked with 26/03518/LBC)

    Submitted 28 May 2026 Full applications
  • 26/03518/LBC Awaiting decision

    37 Harley Street London W1G 8QG

    Installation of two air condenser units within acoustic enclosure to front lightwell and three fan coil units internally to ground floor level. (Linked with 26/03517/FULL)

    Submitted 28 May 2026 Heritage and listed buildings

Timeline

Dates from the published record

  1. 10 Aug 2026

    Received by Westminster

  2. 13 Aug 2026

    Added to PlanIndex

  3. 28 Sep 2026

    Decision issued

  4. 29 Sep 2026

    Status changed to Decided

    Previously Pending.

After the decision

Westminster has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. 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

  • 37 Harley Street London W1G 8QG

    26/06417/ADLBC Submitted 18 Sep 2026 50 yards away

    89% historically approved · decision due ~13 Nov

    Detailed of the proposed fan coil units and service drawing plans and a method statement in relation to the installation of the intenal and external units pursuant to conditions 3 and 4 of listed building consent dated 18th August 2026 (RN: 26/03518/LBC).

    Decided
  • 37 Harley Street London W1G 8QG

    26/03517/FULL Submitted 28 May 2026 50 yards away

    88% historically approved · decision due ~23 Jul

    Installation of two air condenser units within acoustic enclosure to front lightwell. (Linked with 26/03518/LBC)

    Awaiting decision Full applications 8 docs
  • 37 Harley Street London W1G 8QG

    26/03518/LBC Submitted 28 May 2026 50 yards away

    90% historically approved · decision due ~23 Jul

    Installation of two air condenser units within acoustic enclosure to front lightwell and three fan coil units internally to ground floor level. (Linked with 26/03517/FULL)

    Awaiting decision Heritage and listed buildings 8 docs
  • 23 Queen Anne Street London W1G 9HN

    26/00460/FULL Submitted 27 Jan 2026 50 yards away

    88% historically approved · decision due ~24 Mar

    Installation of photovoltaic panels (PV) at main roof level.

    Awaiting decision Full applications 14 docs
  • 43 - 49 Harley Street London W1G 8BT

    25/06693/LBC Submitted 18 Sep 2025 50 yards away

    Installation of support beam for failing beam in room G11 ground floor of 45 Harley Street.

    Granted Heritage and listed buildings 16 docs
  • 8 Queen Anne Street London W1G 9LG

    26/01741/LBC Submitted 18 Mar 2026 50 yards away

    90% historically approved · decision due ~18 May

    Alteration to door ironmongery to two doors removal of 2 pairs of non-heritage door knobs and replacement with battery operated security keypads with integral lever handles.

    Awaiting decision Heritage and listed buildings 10 docs

In Westminster

  • 26/07202/LBC Awaiting decision

    Basement East And Ground Floor And First Floor 33 Weymouth Street London W1G 7BY

    Replacement of 13 doorsets with fire doors.

    Received 21 Oct, published by the council 23 Oct 2026 Heritage and listed buildings
  • 26/07183/LBC Awaiting decision

    306 - 308 Regent Street London W1B 3AT

    Installation of a manually operated retractable fabric awning to the existing shopfront at 308 Regent Street, comprising an orange fabric canopy with discreet printed lettering to the front valance, together with associated supporting framework, mounting brackets and fixings to the existing fa?ade.

    Received 21 Oct, published by the council 22 Oct 2026 Heritage and listed buildings
  • 26/07191/LBC Awaiting decision

    6 Wilton Place London SW1X 8RH

    Layout alterations and replacement of internal doors.

    Received 21 Oct, published by the council 22 Oct 2026 Heritage and listed buildings
  • 26/07199/LBC Awaiting decision

    49 Queen's Gardens London W2 3AA

    Erection of a mansard roof extension incorporating rooflights and a rear balcony; installation of Juliet balconies at ground and first floor levels to the rear; demolition of the existing courtyard extension and erection of a single-storey infill extension; extension of the rear wing at first floor (mezzanine) and second floor levels; fenestration alterations including the installation of new windows; stucco repairs and partial rebuilding of the rear extensions; and associated internal alterations at all levels. (Linked to 26/07198/FULL)

    Received 21 Oct, published by the council 23 Oct 2026 Heritage and listed buildings
  • 26/07192/LBC Awaiting decision

    119 Warwick Way London SW1V 4HS

    Conversion and internal alterations to the ground floor flat (Retrospective)

    Received 21 Oct, published by the council 23 Oct 2026 Heritage and listed buildings