Planning application
17 Whittlesey Street London SE1 8SZ
Works: Extension
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Application for Full Planning Permission for the replacement of existing ground floor rear extension and replacement of existing garage roof with a green roof.
As published by the council, reference 26/00346/FUL
Application record
- Reference
- 26/00346/FUL
- Type
- Full Planning Permission
- Status
- Decided
- Decision
- Grant Permission
- Received
- 4 Feb 2026
- Validated
- 4 Feb 2026
- Decided
- 22 Apr 2026
- Ward
- Waterloo & South Bank
- Decision by
- Delegated Decision
- Postcode
- SE1 8SZ
Site history
Applications at this address on the Lambeth register
This site has had 4 applications since 2026: 2 approved, 0 refused.
-
26/01824/LB Decided
17 Whittlesey Street London SE1 8SZ
Replacement of a first floor rear non-original bathroom window with ultra slim double glazing timber sash window, and installation of internal timber panelled window shutters. (Please note: The reference number for this Listed Building Consent application is 26/01824/LB but there is also an associated application for Full Planning Permission related to these works with reference number: 26/01823/FUL).
-
26/01823/FUL Decided
17 Whittlesey Street London SE1 8SZ
Replacement of a first floor rear non-original bathroom window with ultra slim double glazing timber sash window, and installation of internal timber panelled window shutters. (Full Planning Permission and Listed Building Consent ref:26/01824/LB applications received).
-
26/00347/LB Granted
17 Whittlesey Street London SE1 8SZ
Application for Listed Building Consent for the replacement of existing ground floor rear extension and replacement of existing garage roof with a green roof. External works: replacement of first floor WC windows with timber windows. Replacement of rainwater goods and cast irons vent with plastic together with repairs and making good of existing pointing. Replacement of existing ground floor rear door and windows with aluminium framed door and fixed windows. Internal works: Replacement and enlargement of existing basement with the installation of underground heating. Replacement of fireplaces and surround, removal of existing partition to first floor rear bedroom WC and installation of new cast iron radiators. (Full Planning Permission ref: 26/00346/FUL application received).
Timeline
Dates from the published record
-
4 Feb 2026
Received by Lambeth
-
22 Apr 2026
Decision issued: Grant Permission
-
10 Aug 2026
Added to PlanIndex
Related applications
Cases linked to this one on the register
1 later application on the register refers to this one:
-
26/00347/LB Granted
17 Whittlesey Street London SE1 8SZ
Application for Listed Building Consent for the replacement of existing ground floor rear extension and replacement of existing garage roof with a green roof. External works: replacement of first floor WC windows with timber windows. Replacement of rainwater goods and cast irons vent with plastic together with repairs and making good of existing pointing. Replacement of existing ground floor rear door and windows with aluminium framed door and fixed windows. Internal works: Replacement and enlargement of existing basement with the installation of underground heating. Replacement of fireplaces and surround, removal of existing partition to first floor rear bedroom WC and installation of new cast iron radiators. (Full Planning Permission ref: 26/00346/FUL application received).
Who's behind it
Company information only, from the register and Companies House
Agent on file, an architecture practice registered in London
6 applications on PlanIndex
Trade members see who it is, their full track record, and every application they have filed.
See who's behind itDocuments
Plans, drawings, consultee responses and the officer's report
11 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
Lambeth granted permission on 22 April 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
-
17 Whittlesey Street London SE1 8SZ
Application for Listed Building Consent for the replacement of existing ground floor rear extension and replacement of existing garage roof with a green roof. External works: replacement of first floor WC windows with timber windows. Replacement of rainwater goods and cast irons vent with plastic together with repairs and making good of existing pointing. Replacement of existing ground floor rear door and windows with aluminium framed door and fixed windows. Internal works: Replacement and enlargement of existing basement with the installation of underground heating. Replacement of fireplaces and surround, removal of existing partition to first floor rear bedroom WC and installation of new cast iron radiators. (Full Planning Permission ref: 26/00346/FUL application received).
Granted Heritage and listed buildings Extension Windows or glazing 12 docs -
17 Whittlesey Street London SE1 8SZ
73% historically approved · decision due ~17 Aug
Replacement of a first floor rear non-original bathroom window with ultra slim double glazing timber sash window, and installation of internal timber panelled window shutters. (Please note: The reference number for this Listed Building Consent application is 26/01824/LB but there is also an associated application for Full Planning Permission related to these works with reference number: 26/01823/FUL).
Decided Heritage and listed buildings Windows or glazing 7 docs -
8 Whittlesey Street London SE1 8SZ
73% historically approved · decision due ~11 Sep
Erection of a single-storey ground-floor rear extension; partial removal of the rear infill wall and internal wall; removal and reconstruction of the existing single-storey pitched roof with installation of rooflights; alterations to doors and windows; and associated internal, external and drainage works to the Grade II listed building. (Please note: The reference number for this Listed Building Consent application is 26/02091/LB, but there is also an associated application for Full Planning Permission related to these works with reference number: 26/02090/FUL)
Awaiting decision Heritage and listed buildings Extension Loft or dormer +1 8 docsSmall domestic -
17 Whittlesey Street London SE1 8SZ
78% historically approved · decision due ~17 Aug
Replacement of a first floor rear non-original bathroom window with ultra slim double glazing timber sash window, and installation of internal timber panelled window shutters. (Full Planning Permission and Listed Building Consent ref:26/01824/LB applications received).
Decided Full applications Windows or glazing 7 docs -
17 Whittlesey Street London Lambeth SE1 8SZ
78% historically approved · decision due ~13 Aug
Partial rebuilding of existing garage, internal insulation, floor slab and roof replacement, replacement doors and windows (all proposed works are to the garage only).
Decided Full applications Roofing Windows or glazing 6 docs -
17 Whittlesey Street London Lambeth SE1 8SZ
73% historically approved · decision due ~13 Aug
Partial rebuilding of existing garage, internal insulation, floor slab and roof replacement, replacement doors and windows (all proposed works are to the garage only). (Please note: The reference number for this Listed Building Consent application is 26/01787/LB but there is also an associated application for Full Planning Permission related to these works with reference number: 26/01786/FUL)
Decided Heritage and listed buildings Roofing Windows or glazing 6 docs
Other full applications
In Lambeth
-
26/01004/FUL Granted
49 Lansdowne Gardens London Lambeth SW8 2EL
Erection of a single-storey side extension to replace the existing garage, together with associated external alterations and internal alterations to a Grade II listed dwelling. Including: replacement of uPVC windows with timber sash windows; installation of conservation rooflights; repair and upgrade of flat roofs including replacement of asphalt with lead and parapet upgrades; replacement of uPVC gutters and downpipes with cast iron; repointing in lime mortar; internal alterations including minor reconfiguration of layout; addition of an a/c unit and other associated external alterations. (Planning Permission and Listed Building Consent ref : 26/01395/LB applications received).
-
26/01390/FUL Granted
7 Valleyfield Road London SW16 2HS
Erection of a two-storey side extension, hip to gable roof extension, erection of a rear dormer and rooflights, demolition of the existing attached garage and all other associated works.
-
26/02466/FUL Awaiting decision
30 Chatsworth Way London SE27 9HN
Erection of a single-storey ground-floor rear extension, together with façade alterations, replacement windows, installation of rooflights and associated works.
-
26/00184/FUL Granted
Garages Adjacent To 21 Leaf Grove Leaf Grove London SE27 0SF
Redevelopment of the site to provide six dwellinghouses and the provision of cycle parking, refuse storage, landscaping and associated works.
-
26/02430/FUL Awaiting decision
33 Bellefields Road London SW9 9UH
Erection of a single-storey ground floor rear wrap-around extension, including a balcony at upper ground floor level.