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Planning application

51 Harrowby Street London W1H 5EF

Awaiting decision Westminster 26/05686/LBC Heritage and listed buildings

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Replacement of two first floor Balconette style Balconies on the front facade of the building matching the ornate design of the balconies on the adjoining property.

As published by the council, reference 26/05686/LBC

Application record

Reference
26/05686/LBC
Category
Heritage and listed buildings
Status
Pending
Received
19 Aug 2026
Validated
19 Aug 2026
Postcode
W1H 5EF

Site history

Applications at this address on the Westminster register

This site has had 3 applications since 2026.

  • 26/00907/FULL Awaiting decision

    51 Harrowby Street London W1H 5EF

    Replacement of existing iron railings to the front boundary and painting of front elevation. (Linked to 26/00097/LBC)

    Submitted 13 Feb 2026 Full applications
  • 26/00097/LBC Awaiting decision

    51 Harrowby Street London W1H 5EF

    Replacement of existing iron railings to the front boundary and painting of front elevation. (Linked to 26/00907/FULL)

    Submitted 8 Jan 2026 Heritage and listed buildings

Timeline

Dates from the published record

  1. 19 Aug 2026

    Received by Westminster

  2. 28 Aug 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 14 October 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Westminster took a median of 86 days over the applications it decided in the last year.

What happens while it is decided

This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided heritage and listed building applications in a median of 119 days. More in our guide to how long planning decisions take.

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

  • 51 Harrowby Street London W1H 5EF

    26/00907/FULL Submitted 13 Feb 2026 50 yards away

    88% historically approved · decision due ~10 Apr

    Replacement of existing iron railings to the front boundary and painting of front elevation. (Linked to 26/00097/LBC)

    Awaiting decision Full applications 12 docs

  • 51 Harrowby Street London W1H 5EF

    26/00097/LBC Submitted 8 Jan 2026 50 yards away

    90% historically approved · decision due ~10 Apr

    Replacement of existing iron railings to the front boundary and painting of front elevation. (Linked to 26/00907/FULL)

    Awaiting decision Heritage and listed buildings 14 docs

  • Studio Cottage 22 Cato Street London W1H 5JG

    10/06962/CAC Submitted 11 Aug 2010 50 yards away

    Demolition of part of the existing building.

    Withdrawn Heritage and listed buildings Demolition 4 docs

  • Richbourne Court 9 Harrowby Street London W1H 5PT

    07/00778/FULL Submitted 23 Jan 2007 50 yards away

    Installation of rising arm barriers, additional railings and creation of new parking spaces.

    Withdrawn Full applications 7 docs

  • Richbourne Court 9 Harrowby Street London W1H 5PT

    08/00792/FULL Submitted 21 Jan 2008 50 yards away

    Installation of rising arm barrier and additional railings along with creation of new parking spaces.

    Granted Full applications 9 docs

  • 18 Molyneux Street London W1H 5HN

    25/06555/ADLBC Submitted 12 Sep 2025 50 yards away

    Details of the cleaning of the external elevations pursuant to Condition 4 (i) of Listed Building Consent dated 29 July 2025 (RN25/03923/LBC)

    Granted Conditions 8 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