101 Eaton Terrace London SW1W 8TW

This site has had 6 applications since 2025: 2 approved, 0 refused.

• 26/02260/LBC Awaiting decision

  101 Eaton Terrace London SW1W 8TW

  The replacement of the non-original conservatory glass roof with a new double-glazed roof matching the existing in profile and design existing conservatory glass roof and adjustments to the rear door, replacement of the living room glass roof, minor rooflight modifications, and missing coping stones.

  Submitted 3 Apr 2026 Heritage and listed buildings
• 26/02179/FULL Awaiting decision

  101 Eaton Terrace London SW1W 8TW

  Variation of condition 1 of planning permission dated 6th August 2025 (RN:25/02054/FULL) for the Erection of a rear extension to the lower ground floor (replacing the existing non-original conservatory), including internal reconfiguration and the addition of an external staircase to the existing front light well. Namely, alterations to rear door, replacement of non-original conservatory roof, increase in rooflight dimensions and missing coping stones.

  Submitted 1 Apr 2026 Full applications
• 25/09277/FULL Awaiting decision

  101 Eaton Terrace London SW1W 8TW

  Installation of two new condensers to the rear elevation. (Linked to 25/09278/LBC)

  Submitted 22 Dec 2025 Full applications
• 25/06354/FULL Granted

  101 Eaton Terrace London SW1W 8TW

  Variation of condition 1 of planing permission dated 6 August 2025 (RN: 25/02054/FULL) for the: "Erection of a rear extension to the lower ground floor (replacing the existing non-original conservatory), including internal reconfiguration and the addition of an external staircase to the existing front light well". Namely, to allow lowering of window ground floor cill at Room 03; omit both rebuilding of the collapsed brick nib wall and installing of glass doors or full-height glass panel doors at the rear elevation (room 4); and associated works.

  Decided 17 Feb 2026 Full applications
• 25/06355/LBC Granted

  101 Eaton Terrace London SW1W 8TW

  Lowering of window ground floor cill at Room 03; omit both rebuilding of the collapsed brick nib wall and installing of glass doors or full-height glass panel doors at the rear elevation (room 4); and associated works. (Amendments to listed building consent dated 07 August 2025 RN: 25/01965/LBC for 'erection of a rear extension to the lower ground floor (replacing the existing non-original conservatory), including internal reconfiguration and the addition of an external staircase to the existing front light well.')

  Decided 17 Feb 2026 Heritage and listed buildings

1. 22 Dec 2025

   Received by Westminster

2. 13 May 2026

   Validated

   Checked as complete and ready for consideration.

3. 20 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 8 July 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 66 days over the applications it decided in the last year.

• 25/09277/FULL Awaiting decision

  101 Eaton Terrace London SW1W 8TW

  Installation of two new condensers to the rear elevation. (Linked to 25/09278/LBC)

  Submitted 22 Dec 2025 Full applications

1 later application on the register refers to this one:

• 25/09277/FULL Awaiting decision

  101 Eaton Terrace London SW1W 8TW

  Installation of two new condensers to the rear elevation. (Linked to 25/09278/LBC)

  Submitted 22 Dec 2025 Full applications

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 94 days. More in our guide to how long planning decisions take.

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.

• 101 Eaton Terrace London SW1W 8TW

  25/09277/FULL Submitted 22 Dec 2025 50 yards away

  87% historically approved · decision due ~8 Jul

  Installation of two new condensers to the rear elevation. (Linked to 25/09278/LBC)

  Awaiting decision Full applications 36 docs

• 101 Eaton Terrace London SW1W 8TW

  26/02179/FULL Submitted 1 Apr 2026 50 yards away

  87% historically approved · decision due ~27 May

  Variation of condition 1 of planning permission dated 6th August 2025 (RN:25/02054/FULL) for the Erection of a rear extension to the lower ground floor (replacing the existing non-original conservatory), including internal reconfiguration and the addition of an external staircase to the existing front light well. Namely, alterations to rear door, replacement of non-original conservatory roof, increase in rooflight dimensions and missing coping stones.

  Awaiting decision Full applications Extension Loft or dormer 27 docs

• 101 Eaton Terrace London SW1W 8TW

  25/06354/FULL Submitted 8 Sep 2025 50 yards away

  Variation of condition 1 of planing permission dated 6 August 2025 (RN: 25/02054/FULL) for the: "Erection of a rear extension to the lower ground floor (replacing the existing non-original conservatory), including internal reconfiguration and the addition of an external staircase to the existing front light well". Namely, to allow lowering of window ground floor cill at Room 03; omit both rebuilding of the collapsed brick nib wall and installing of glass doors or full-height glass panel doors at the rear elevation (room 4); and associated works.

  Granted Full applications Extension Windows or glazing 26 docs

• 101 Eaton Terrace London SW1W 8TW

  26/02260/LBC Submitted 3 Apr 2026 50 yards away

  90% historically approved · decision due ~29 May

  The replacement of the non-original conservatory glass roof with a new double-glazed roof matching the existing in profile and design existing conservatory glass roof and adjustments to the rear door, replacement of the living room glass roof, minor rooflight modifications, and missing coping stones.

  Awaiting decision Heritage and listed buildings Extension Loft or dormer +1 14 docs

• 101 Eaton Terrace London SW1W 8TW

  25/06355/LBC Submitted 8 Sep 2025 50 yards away

  Lowering of window ground floor cill at Room 03; omit both rebuilding of the collapsed brick nib wall and installing of glass doors or full-height glass panel doors at the rear elevation (room 4); and associated works. (Amendments to listed building consent dated 07 August 2025 RN: 25/01965/LBC for 'erection of a rear extension to the lower ground floor (replacing the existing non-original conservatory), including internal reconfiguration and the addition of an external staircase to the existing front light well.')

  Granted Heritage and listed buildings Extension Windows or glazing 4 docs

• 87 Eaton Terrace London SW1W 8TW

  26/05758/FULL Submitted 21 Aug 2026 50 yards away

  87% historically approved · decision due ~19 Oct

  Excavation of rear garden to increase size of lightwell and lower ground floor; install walk on roof lights to flat roofs and replacement of external doors and windows with like for like doors and windows. Internal alterations.

  Awaiting decision Full applications Loft or dormer Windows or glazing

• 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