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Planning application

18 Eaton Place London SW1X 8AE

Granted Westminster 25/08986/LBC Listed Building Consent Application

Works: New dwelling

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

Proposal

Installation of two air conditioning condenser units within enclosure on rear second floor flat roof and five internal fan coil units to first and second floor flats.

As published by the council, reference 25/08986/LBC

Application record

Reference
25/08986/LBC
Type
Listed Building Consent Application
Status
Decided
Decision
Granted As published: Application Permitted
Received
11 Dec 2025
Validated
25 Feb 2026
Decided
30 Jun 2026
Ward
Knightsbridge & Belgravia
Decision by
Delegated Decision
Postcode
SW1X 8AE

Site history

Applications at this address on the Westminster register

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

  • 25/08985/FULL Granted

    18 Eaton Place London SW1X 8AE

    Installation of two air conditioning condenser units within enclosure on rear second floor flat roof.

    Decided 30 Jun 2026 Full applications

Timeline

Dates from the published record

  1. 11 Dec 2025

    Received by Westminster

  2. 25 Feb 2026

    Validated

    Checked as complete and ready for consideration.

  3. 30 Jun 2026

    Decision issued: Application Permitted

  4. 29 Jul 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Syte Architects Ltd Agent, an architecture practice registered in London

Active · incorporated 2002 · London

15 applications on PlanIndex · across 4 councils · 87% granted

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Documents

Plans, drawings, consultee responses and the officer's report

20 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 30 June 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

  • 18 Eaton Place London SW1X 8AE

    25/08985/FULL Submitted 11 Dec 2025 50 yards away

    Installation of two air conditioning condenser units within enclosure on rear second floor flat roof.

    Granted Full applications 24 docs

  • Basement And Ground Floor Maisonette 21 Eaton Place London SW1X 8BP

    25/06595/LBC Submitted 15 Sep 2025 50 yards away

    Internal alterations at lower ground floor level, including installation of damp proofing and secondary glazing to front windows.

    Granted Heritage and listed buildings Windows or glazing 16 docs

  • Basement And Ground Floor Maisonette 21 Eaton Place London SW1X 8BP

    26/00152/LBC Submitted 12 Jan 2026 50 yards away

    Replacement of external door at Lower Ground Floor level and installation of external security gate in front.

    Refused Heritage and listed buildings 14 docs

  • 112 Eaton Square London SW1W 9AE

    19/03141/ADFULL Submitted 25 Apr 2019 50 yards away

    Details of roof terrace screen and planter, external windows and doors pursuant to condition 5 part (a) and (d) of planning permission dated 16 April 2018 (RN: 18/01436/FULL).

    Granted Full applications Windows or glazing 20 docs

  • 112 Eaton Square London SW1W 9AE

    19/03126/ADLBC Submitted 24 Apr 2019 50 yards away

    Details of roof terrace screen and planter, external windows and doors pursuant to condition 5 part (a) and (d) of listed building consent dated 16 April 2018 (RN: 18/01437/LBC).

    Granted Conditions Windows or glazing 20 docs

  • 112 Eaton Square London SW1W 9AE

    21/04864/ADLBC Submitted 16 Jul 2021 50 yards away

    Details of all new secondary glazing units pursuant to Condition 5 part (e) of listed building consent dated 16 April 2018 (RN: 18/01437/LBC).

    Granted Conditions Windows or glazing 13 docs

In Westminster

  • 26/04878/LBC Decided

    34 Grosvenor Street London W1K 4QU

    Internal works to facilitate the subdivision of 34 Grosvenor Street and 3 Three Kings Yard

    Received 21 Jul, published by the council 1 Aug 2026 Heritage and listed buildings
  • 26/06299/LBC Awaiting decision

    Apartment 33 24 Park Crescent London W1B 1AA

    Alterations to internal partitions, door openings, doors and floor finishes.

    Received 15 Sep, published by the council 22 Sep 2026 Heritage and listed buildings
  • 26/06305/LBC Awaiting decision

    33A Dean Street London W1D 4PP

    Installation of new concrete slab with drainage channels at basement level and new fire surround in B.01.

    Received 15 Sep, published by the council 22 Sep 2026 Heritage and listed buildings
  • 26/06318/LBC Awaiting decision

    124 Hamilton Terrace London NW8 9UT

    Replacement of existing first-floor sash windows to the front and rear elevations with traditionally detailed painted timber, slim-profile double-glazed sash windows. (Linked to 26/06317/FULL)

    Received 15 Sep, published by the council 22 Sep 2026 Heritage and listed buildings
  • 26/04141/LBC Decided

    80E Randolph Avenue London W9 1BG

    Replacement of sashes in two front windows at 2nd floor level and one rear window with slimline double glazed timber sashes. (Linked with 26/04142/FULL)

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