Planning application
6 - 9 Carlton House Terrace London SW1Y 5AG
Works: Windows or glazing
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Replacement of existing modern glazed double door in existing opening between Marble Hall in No. 6 and corridor in No. 7 at ground floor level with glazed fire double doors and installatoin of fire rated secondary glazing to inside of fanlight above entrance door to Executive Directors flat at second floor level in No. 7.
As published by the council, reference 26/05675/LBC
Application record
- Reference
- 26/05675/LBC
- Category
- Heritage and listed buildings
- Status
- Pending
- Received
- 19 Aug 2026
- Validated
- 19 Aug 2026
- Postcode
- SW1Y 5AG
Timeline
Dates from the published record
-
19 Aug 2026
Received by Westminster
-
28 Aug 2026
Added to PlanIndex
-
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 61 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 87 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 500 metres
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5 Carlton House Terrace London SW1Y 5AQ
90% historically approved · decision due ~5 Jun
Refurbish the existing commercial kitchen, replacement of the existing modern kitchen equipment, over-clad the existing wall tiles and overlay the existing floor tiles, removal of a low level nib partition wall and introduce new floor gulleys connecting into existing drainage.
Awaiting decision Heritage and listed buildings 15 docs -
Waterloo Gardens West Of Waterloo Place Carlton House Terrace London
T414 - Platanus x hispanica: reduce back from building and balcony to give 2.5m clearance.
Granted Trees 7 docs -
Waterloo Gardens West Of Waterloo Place Carlton House Terrace London
T401 - Platanus x hispanica (London Plane): Crown lift to 5.2 m over road/parking area, also improving visibility of the statue. T402 - Platanus x hispanica (London Plane): Crown lift to 5.2 m over road/parking area. Reduce the extended section of the mid/ upper crown from the extraneous secondary stem to the south, by approximately 2 m, to reduce loading and address crown imbalance. T403 - Platanus x hispanica (London Plane): Crown lift to 5.2 m over road/parking area. T404 - Platanus x hispanica (London Plane): Crown lift to 5.2 m over road/parking area. T405 - Platanus x hispanica (London Plane): Crown lift to 5.2 m over road/parking area. Reduce the extended lateral lowest limb to the southeast at around 6m, and the two extended stem/ limbs to the south and south-east in the upper/mid crown at around 18-20m by approximately 2m, to reduce loading and address crown imbalance. T406 - Platanus x hispanica (London Plane): Crown lift to 5.2 m over road/parking area. Reduce the two extended stem/ limbs to the south & southeast in the lower/ mid crown at around 7 - 10m, by approximately 2 m, to reduce loading and address crown imbalance. T409 - Ilex aquifolium (Holly): Crown lift to 2m. T410 - Platanus x hispanica (London Plane): Crown lift to 5.2 m over road/parking area, also improving visibility of the statue. Prune to clear street light by 1.5 m. Lift remaining crown to 4m to clear shrubs. T411 - Platanus x hispanica (London Plane): Crown lift to 4m.
Granted Trees 8 docs -
1 Carlton House Terrace London SW1Y 5AF
Variation of condition 1 of planning permission dated 28 April 2021 (RN: 21/01191/FULL) which itself varied condition 1 of planning permission dated 28 August 2020 (RN: 20/04449/FULL) which itself varied condition 1 of planning permission dated 09 April 2020 (RN: 20/00755/FULL) for use of the building as a single residential dwelling (Class C3) with associated internal and external alterations including erection of a sun room with terrace at roof level, partial infill of rear lightwell at basement level and car port enclosure. NAMELY, to remove the list of approved drawings from the operative part of the decision notice of RN: 21/01191/FULL and to insert them within Condition 1.
Granted Amendments Extension 8 docsDomestic -
3 Carlton Gardens London SW1Y 5AA
100% historically approved · decision due ~28 Aug
T5 Lime - Courtyard area: Crown Reduction - To reduce the height and radial spread of the canopy by up to 3 metres, shape accordingly and remove major deadwood and trunk growth to crown break. H3 Portuguese Laurel - Hedge reduction - To reduce the height by up to 1.5 metre and to trim and shape all sides to create a more tight and compact hedge including the removal of one dead Laurel as annotated in photo. Additional bark chippings will be added to maintain moisture level to the whole hedge. To supply and plant a new Portuguesue Laurel of at least 2 metres in height. Reason for work ? General Maintenance.
Awaiting decision Trees -
3 Carlton Gardens London SW1Y 5AA
87% historically approved · decision due ~19 Mar
Replacement of air conditioning condenser units within new acoustic enclosures in south lightwell. (Linked to 26/00375/LBC)
Awaiting decision Full applications 21 docs
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26/05943/LBC Awaiting decision
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Use of the building as F1(a) Education, along with associated internal and external alterations. (Linked with 26/05942/FULL)