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Planning application

50 Wilton Crescent London SW1X 8RX

Awaiting decision Westminster 25/08956/LBC Listed Building Consent Application

Works: Extension

Relates to 25/08955/FULL

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

Proposal

Erection of Georgian-style orangery on first-floor rear terrace. [Linked to 25/08955/FULL]

As published by the council, reference 25/08956/LBC

Application record

Reference
25/08956/LBC
Type
Listed Building Consent Application
Status
Pending
Received
9 Dec 2025
Validated
9 Dec 2025
Ward
Knightsbridge & Belgravia
Postcode
SW1X 8RX

Site history

Applications at this address on the Westminster register

This site has had 4 applications since 2025: 2 approved, 0 refused.

  • 25/09226/FULL Granted

    50 Wilton Crescent London SW1X 8RX

    Demolition and rebuilding of closet wing to create lift to third floor.

    Decided 22 May 2026 Full applications
  • 25/09227/LBC Granted

    50 Wilton Crescent London SW1X 8RX

    Demolition and rebuilding of closet wing to create lift to third floor.

    Decided 22 May 2026 Heritage and listed buildings
  • 25/08955/FULL Awaiting decision

    50 Wilton Crescent London SW1X 8RX

    Erection of Georgian-style orangery on first-floor rear terrace.

    Submitted 9 Dec 2025 Full applications

Timeline

Dates from the published record

  1. 9 Dec 2025

    Received by Westminster

  2. 20 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 3 February 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 91 days over the applications it decided in the last year.

Cases linked to this one on the register

  • 25/08955/FULL Awaiting decision

    50 Wilton Crescent London SW1X 8RX

    Erection of Georgian-style orangery on first-floor rear terrace.

    Submitted 9 Dec 2025 Full applications

Who's behind it

Company information only, from the register and Companies House

ACH Architects Ltd Agent, an architecture practice registered in London

Active · incorporated 2023 · London

4 applications on PlanIndex

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

16 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 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

  • 50 Wilton Crescent London SW1X 8RX

    25/09226/FULL Submitted 19 Dec 2025 50 yards away

    Demolition and rebuilding of closet wing to create lift to third floor.

    Granted Full applications Demolition 34 docs

  • 50 Wilton Crescent London SW1X 8RX

    25/09227/LBC Submitted 19 Dec 2025 50 yards away

    Demolition and rebuilding of closet wing to create lift to third floor.

    Granted Heritage and listed buildings Demolition 29 docs

  • 50 Wilton Crescent London SW1X 8RX

    25/08955/FULL Submitted 9 Dec 2025 50 yards away

    88% historically approved · decision due ~3 Feb

    Erection of Georgian-style orangery on first-floor rear terrace.

    Awaiting decision Full applications Extension 20 docs

  • 11A Belgrave Square London SW1X 8PH

    25/09302/CLEUD Submitted 23 Dec 2025 50 yards away

    Internal and external works including demolition of partition walls, fixtures and fittings, and lightwell excavation at lower ground level (Confirmation of lawful implementation of the planning permission dated 21st September 2022 (RN: 22/01791/FULL) for excavation works to lower ground floor and basement to achieve swimming pool depth and new storey; relocation of existing mechanical ventilation plant within the existing roof void with two grilles in roof; new ventilation shaft and metal grating in the front lightwell.

    Granted Lawful development Demolition 11 docs

  • 45 Wilton Crescent London SW1X 8RX

    23/02831/LBC Submitted 28 Apr 2023 50 yards away

    Repairs to external render, redecoration of front facade, refurbishment and redecoration of cast iron railings and stone plinths and rainwater goods.

    Granted Heritage and listed buildings 17 docs

  • 5 Wilton Crescent London SW1X 8RN

    25/05595/ADLBC Submitted 30 Jul 2025 50 yards away

    Details of sample of brickwork pursuant to Condition 4 of listed building consent dated 01 July 2025 (RN: 25/03523/LBC).

    Refused Conditions 7 docs

In Westminster

  • 26/06288/LBC Decided

    Barness Court 6 - 8 Westbourne Terrace London W2 3UW

    Installation of a gas pipework to south elevation and wall. (Linked with 26/06287/FULL)

    Received 14 Sep, published by the council 21 Sep 2026 Heritage and listed buildings
  • 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