Planning application
Basement Flat, 3 Lancaster Road and 3 Lancaster Road, London, W11 1QL
Works: New dwelling Extension Windows or glazing Several homes
Read from the description, not a valuation. How we read the register
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Lowering of lower ground floor level, construction of single storey rear extension at lower ground floor level, construction of rear infill extension at ground floor level with terrace above, with elevational alterations. Replacement of windows with double glazed units. Reconfiguration of front entrance steps to provide access to lower ground floor level. Replacement of front railings, and front terrace railings with metal balustrade. Internal reconfiguration of the two flats. Creation of a roof terrace with the provision of two condensers within an acoustic enclosure at main roof level.
As published by the council, reference PP/26/01743
Application record
- Reference
- PP/26/01743
- Type
- Planning Permission
- Status
- Decided
- Decision
- Grant Planning Permission/Consent
- Received
- 9 Mar 2026
- Decided
- 20 May 2026
- Ward
- Colville
- Parish
- 05
- Postcode
- W11 1QL
Timeline
Dates from the published record
-
9 Mar 2026
Received by Kensington and Chelsea
-
20 May 2026
Decision issued: Grant Planning Permission/Consent
-
20 Jul 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
28 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.
Trade members open them from here.
Open the documentsWhat this grant of permission means
Kensington and Chelsea granted permission on 20 May 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 full applications
A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
13 Lancaster Road, London, W11 1QL
Alterations to rear window and doors to raised and lower ground floor rear fa?ade. Alterations to lower ground floor rear extension enclosure and rear garden staircase. Installation of small roof-light above raised ground floor rear closet wing. Replacement of defective glass roof with pitched slate roof and new skylights to replace existing skylight. Replacement of windows throughout with thermal sash windows to match existing.
Granted Full applications Extension Loft or dormer +2 29 docs -
Flats A and B, 3 Lancaster Road, London, W11 1QL
Details required by Condition 6 (Trees and landscaping) of planning permission PP/25/04111 (Extension of closet wing across all floors to match depth of neighbouring properties. Lowering of lower ground floor level. Construction of single storey rear extension at lower ground floor level. Construction of rear infill at ground floor level. New metal doors and Juliet balcony at rear ground and first floor level. Replacement of windows throughout with double glazed timber units. Reconfiguration of front entrance steps to allow access to lower ground floor level. Replacement of front railings. Internal reconfiguration of two flats)
Granted Conditions New dwelling Extension +2 10 docsSeveral homes -
3 Lancaster Road, London, W11 1QL
Extension of closet wing across all floors to match rearwards projection of neighbouring properties; lowering of lower ground floor level; erection of a single storey rear extension at lower ground floor level; erection of a rear infill at ground floor level; elevational alterations; replacement of windows with double glazed units; reconfiguration of front entrance steps to create independent access to lower ground floor level; replacement of front railings; internal reconfiguration of two flats and provision of two condenser units within an acoustic enclosure at main roof level. (Works are the same as approved under PP/25/04111 save for the provision of 2no. AC units at main roof level).
Granted Full applications New dwelling Extension +1 27 docsSeveral homes -
3 Lancaster Road, London, W11 1QL
Extension of closet wing across all floors to match rearwards projection of neighbouring properties; lowering of lower ground floor level; construction of a single storey rear extension at lower ground floor level; construction of a rear infill at ground floor level; installation of metal doors and Juliet balcony at rear ground and first floor level; replacement of windows throughout with double glazed timber units; reconfiguration of front entrance steps to allow access to lower ground floor level; replacement of front railings; internal reconfiguration of two flats; creation of a roof terrace at main roof level with an openable rooflight to facilitate access.
Granted Full applications New dwelling Extension +2 22 docsSeveral homes -
3 Lancaster Road, London, W11 1QL
Details required by Condition 6 (Trees and landscaping) of planning permission 25/05291 (Extension of closet wing across all floors to match rearwards projection of neighbouring properties; lowering of lower ground floor level; erection of a single storey rear extension at lower ground floor level; erection of a rear infill at ground floor level; elevational alterations; replacement of windows with double glazed units; reconfiguration of front entrance steps to create independent access to lower ground floor level; replacement of front railings; internal reconfiguration of two flats and provision of two condenser units within an acoustic enclosure at main roof level. (Works are the same as approved under PP/25/04111 save for the provision of 2no. AC units at main roof level))
Decided Conditions New dwelling Extension +2 7 docsSeveral homes -
3 Lancaster Road, London, W11 1QL
Details required by Condition 6 (Trees and landscaping) of planning permission 25/05289 (Extension of closet wing across all floors to match rearwards projection of neighbouring properties; lowering of lower ground floor level; construction of a single storey rear extension at lower ground floor level; construction of a rear infill at ground floor level; installation of metal doors and Juliet balcony at rear ground and first floor level; replacement of windows throughout with double glazed timber units; reconfiguration of front entrance steps to allow access to lower ground floor level; replacement of front railings; internal reconfiguration of two flats; creation of a roof terrace at main roof level with an openable rooflight to facilitate access)
Decided Conditions New dwelling Extension +3 7 docsSeveral homes
Other full applications
In Kensington and Chelsea
-
PP/18/01985 Withdrawn
Flat 3, 24 Cornwall Gardens, London, SW7 4AW
Works to second floor flat including erection of rear extension, creation of external roof terrace areas above and to rear of said extension (with perimeter metal railings), together with internal alterations including removal of internal wall between kitchen and living room, and other refurbishment works
-
PP/26/03176 Granted
12 Shawfield Street, London, SW3 4BD
Replacement windows, new rooflight and replacement lower ground rear rooflights.
-
PP/26/03048 Granted
24 Charles II Place, London, SW3 4NG
Removal of existing conservatory structure. Construction of a single-storey rear extension at lower ground floor level. Installation of a contemporary three-panel sliding glazed door opening onto rear garden. Internal reconfiguration at lower ground floor level.
-
PP/26/03042 Granted
Flat 7, 7 Egerton Place, London, SW3 2EF
Installation of air conditioning system including external condenser unit housed within enclosure at roof level. Replacement of roof lantern, rooflight and roof access hatch with flat glazed access hatch and rooflights. Replacement of two rear elevation uPVC windows with timber-framed slimline double-glazed sliding sash windows; and associated external alterations.
-
PP/26/02897 Withdrawn
46 Evelyn Gardens, London, SW7 3BH
Positioning of two new external heat pump condensers within two separate acoustic enclosures, one on main roof of house and other on rear forth floor roof terrace.