Planning application
17 Whittlesey Street London SE1 8SZ
Works: Extension Windows or glazing
Relates to 26/00346/FUL
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
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).
As published by the council, reference 26/00347/LB
Application record
- Reference
- 26/00347/LB
- Type
- Listed Building Consent
- Status
- Decided
- Decision
- Granted As published: 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: 4 approved, 0 refused.
-
26/01824/LB Granted
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 Granted
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).
-
26/00346/FUL Granted
17 Whittlesey Street London SE1 8SZ
Application for Full Planning Permission for the replacement of existing ground floor rear extension and replacement of existing garage roof with a green roof.
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
-
26/00346/FUL Granted
17 Whittlesey Street London SE1 8SZ
Application for Full Planning Permission for the replacement of existing ground floor rear extension and replacement of existing garage roof with a green roof.
Who's behind it
Company information only, from the register and Companies House
Fynn Architects Agent, an architecture practice registered in London
Active · incorporated 2024 · London
6 applications on PlanIndex
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordGreenwood Applicant, registered in Aberdeen
Dissolved · incorporated 1995 · Aberdeen
7 applications on PlanIndex · across 2 councils
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
11 documents on file for this application
- DELEGATED REPORT
- PLANNING DRAWINGS
- DESIGN AND ACCESS STATEMENT REVISED
- EXISTING AND PROPOSED PLANS
- DRAFT CONSTRUCTION MANAGEMENT PLAN
- DESK STUDY AND STAGE 1 & 2 BIA
- STAGE 1 AND 2 BASEMENT IMPACT ASSESSMENT (SCREENING & SCOPING REPORT)
- THE LOCATION PLAN
- TREE SURVEY
- FLOOD RISK ASSESSMENT
- DESIGN, ACCESS AND HERITAGE STATEMENT
Watch members (£5 a month) open the document list 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 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
-
17 Whittlesey Street London SE1 8SZ
Application for Full Planning Permission for the replacement of existing ground floor rear extension and replacement of existing garage roof with a green roof.
Granted Full applications Extension 10 docs -
1 - 3 Whittlesey Street London SE1 8SZ
78% historically approved · decision due ~4 Dec
Proposed single-storey ground floor rear extension with bi-fold doors and double glazed glass, and alteration of garage door to front elevation with operable door, and internal reconfiguration of the ground floor.
Awaiting decision Full applications Extension Windows or glazingSmall domestic -
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).
Granted Heritage and listed buildings Windows or glazing 7 docs -
8 Whittlesey Street London SE1 8SZ
79% 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)
Decided Heritage and listed buildings Extension Loft or dormer +1 8 docsSmall domestic -
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).
Granted 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
Other heritage and listed building applications
In Lambeth
-
26/03003/LB Awaiting decision
25 Durand Gardens London SW9 0PS
Internal repairs and reinstatement works, including decorative platerworks, wall and ceilings finishes, timber flooring, internal joinery, windows, doors, staircase, kitchen fixtures and services, along with other associated decorative elements.
-
26/02871/LB Awaiting decision
Macintosh Court 269 Leigham Court Road London SW16 2SB
Demolition of the existing canopy over the external walkway, removal of the existing support structures for the service pipework above the canopy, construction of a replacement canopy to support the existing service pipes above the canopy, and sheathing of the existing service pipes above the canopy and fixed to the walls with aluminium casing. (Please note: The reference number for this Listed Building Consent application is 26/02871/LB, but there is also an associated application for Full Planning Permission related to these works with reference number: 26/02870/RG3)
-
26/02835/LB Awaiting decision
Rosendale Primary School Grace Church Rosendale Road London SE21 8LR
Demolition of the existing School Keeper's House and erection of a new two-storey building with a new entrance from Turney Road and associated landscape works. (Please note: The reference number for this Listed Building Consent application is 26/02835/LB, but there is also an associated application for Full Planning Permission related to these works with reference number: 26/02491/RG3)
-
26/02838/LB Awaiting decision
14 Aquinas Street London SE1 8AE
External works include replacement of existing non original rear doors to garden with timber framed door. Replacement of existing windows with double glazed timber windows and installation of 3x roof lights to the rear roof slope. Internal works include underpinning to existing structural walls with the installation of new insulated floor slab, cavity drainage membrane and sump at cellar floor level to form a utility and storage space. Opening up of existing fireplace to rear reception room; vaulting of existing kitchen ceiling and installation of new stairs down to converted cellar at ground floor level. Removal of built in cupboard/partition to existing bathroom, installation of staircase to new loft level, a hallway landing, partition wall to form smaller bedroom/lobby landing and installation of water cooling air conditioning system at first floor level. Conversion of existing loft space to form ensuite bedroom; installation of 3x roof lights and water cooling air conditioning system at attic floor level. (Asscoiated Full Planning Permission ref: 26/02837/FUL)
-
26/02820/LB Awaiting decision
192 Flat 3 Brixton Road London Lambeth SW9 6AR
Internal alterations to mainly include the relocation of the existing kitchen, installation of a new bathroom and removal and installation of partition walls and associated alterations to Flat 3.