49 Thurlow Park Road London SE21 8JP Data via plota.co.uk

26/02767/FUL - Full Planning Permission Awaiting decision
Extensions & alterations

Proposal

Replacement of the existing windows with new uPVC framed double glazed windows, a new composite front entrance door and uPVC rear door. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
24 Sept 2026
✓
Validated
2 Oct 2026
Decision
Expected by 27 Nov 2026

This application is under consideration - no decision has been issued yet. Plota predicts a decision around 27 Nov 2026, from Lambeth's recent extensions.

Documents 7

Statements & assessments 1

PDF DESIGN AND ACCESS STATEMENT Design & Access Statement · 24 Sept 2026 View ↗

Plans & drawings 5

PDF EXISTING WINDOW AND DOOR SCHEDULES Plans · 24 Sept 2026 View ↗ PDF PROPOSED WINDOW AND DOOR SCHEDULES Plans · 24 Sept 2026 View ↗ PDF THE LOCATION PLAN Plans · 24 Sept 2026 View ↗ PDF EXISTING ELEVATIONS Plans · 24 Sept 2026 View ↗ PDF PROPOSED ELEVATIONS Plans · 24 Sept 2026 View ↗

Application forms 1

PDF APPLICATION FORM - WITHOUT PERSONAL DATA Application Form · 24 Sept 2026 View ↗

All documents on the council site ↗

Site constraints 2

Air quality management area: Lambeth AQMA
The council has declared the area as failing an air quality objective.
Schemes that add traffic, parking or combustion plant are assessed against the area's action plan and may need an air quality assessment.
Council record ↗
Also on the record
Inside the Lambeth built-up area.
Not affected
Outside flood zones 2 and 3 · Not green belt · No listed building at the site

Checked on 3 October 2026. Historic England, the Environment Agency, Natural England and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.

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Important details

Council
Lambeth
Application type
Full Planning Permission
Postcode
SE21 8JP
Received
24 Sept 2026
Validated
2 Oct 2026
Ward
West Dulwich
Case officer
Show
Applicant
Show
Agent
Potter Raper
Freehold owner
Show

Decision outlook

Day 3 of the 56-day target. Lambeth usually decides extensions by day 56.

Day 353 days to the 56-day target
59%decided within 8 weeks
82%approved
831decided in the last year

Plota live figures for extensions decided by Lambeth in the last twelve months, from validation. Lambeth decision record →

Public comments

No public comments yet.

Last counted 3 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Env. assessment
No

Historical activity at this location

25 nearby applications on record - archival context, not part of the live application.

Within ~100m

Nearby activity

2025 Approved
2 Birkbeck Place London Lambeth SE21 8JU
Demolition of existing shed and erection of a single storey outbuilding in the rear garde…
25/02956/FUL
2025
45 Thurlow Park Road London Lambeth SE21 8JP
Erection of a ground floor, single storey rear infill extension, a hip-to-gable roof enla…
25/03209/FUL
2025 Approved
37 Thurlow Park Road London SE21 8JP
Erection of rear mansard roof extension together with the installation of 3 rooflights to…
25/01945/FUL
2025 Refused
37 Thurlow Park Road London SE21 8JP
Erection of a rear mansard roof extension with roof terrace and the installation of three…
25/00828/FUL
2024 Approved
30 Birkbeck Place London SE21 8JU
Erection of a mansard roof extension with front and rear dormer windows.
24/03528/FUL
2024 Approved
33 Birkbeck Place London SE21 8JU
Replacement of existing timber wall affixed behind a brickwork boundary, with a new timbe…
24/03467/FUL
2024 Approved
28 Birkbeck Place London SE21 8JU
Erection of a mansard roof extension with front and rear dormer windows.
24/03525/FUL
2024 Refused
4 Birkbeck Hill London SE21 8JS
Replacement of all existing windows with double glazed upvc windows.
24/02896/FUL
2024 Approved
4 Birkbeck Hill London SE21 8JS
Replacement of existing single glazed timber framed windows with double glazed timber fra…
24/03089/FUL
2024 Approved
36 Thurlow Park Road London SE21 8JA
Erection of a single storey ground floor rear extension - Flat 36A.
24/01665/FUL
2024 Approved
51 Lovelace Road London Lambeth SE21 8JR
Installation of solar PV panels to East and South roof slopes.
24/01416/FUL
2024 Approved
51 Lovelace Road London Lambeth SE21 8JR
Installation of 1 no. Air Source Heat Pump to ground floor external rear terrace.
24/00134/FUL
2023 Approved
26 Birkbeck Place London Lambeth SE21 8JU
Erection of a single storey ground floor wraparound extension.
23/03563/FUL
2023 Approved
14 Birkbeck Place London Lambeth SE21 8JU
Demolition of existing lower ground floor extension, terrace and external stair, erection…
23/02805/FUL
2023 Approved
44 Birkbeck Place London SE21 8JU
Replacement of existing windows/doors with uPVC windows/doors.
23/02161/FUL
2023 Approved
51 Lovelace Road London SE21 8JR
Replacement of existing conservatory with a single storey ground floor rear extension. Re…
23/01822/FUL
2023 Approved
8 Birkbeck Place London SE21 8JU
Replacement of the existing windows/doors with uPVC windows/doors.
23/02163/FUL
2023 Approved
24 Birkbeck Place London SE21 8JU
Replacement of the existing windows/doors with uPVC windows/doors.
23/02162/FUL
2023 Refused
4 Birkbeck Hill London Lambeth SE21 8JS
Replacement of single-glazed timber framed windows/doors with double-glazed uPVC framed w…
23/01628/FUL
2022 Approved
22 Birkbeck Place London Lambeth SE21 8JU
Replacement of all single-glazed timber framed windows with uPVC framed double-glazed win…
22/04215/FUL
2017 Approved
43 Thurlow Park Road London SE21 8JP
Erection of 2 rear dormers and installation of rooflight to rear and 3 rooflights to fron…
17/04163/FUL
2016 Approved
Rosemead Preparatory School Elmcourt Road London SE27 9BZ
Demolition of existing secondary access steps and refuse bin area. Construction of new pr…
16/06559/FUL
2016 Approved
41 Thurlow Park Road London SE21 8JP
Excavation of basement with provision of lightwells to the side and rear and installation…
16/05535/FUL
2016 Approved
41 Thurlow Park Road London SE21 8JP
Loft conversion involving the formation of two rear dormers along with the installation o…
16/05040/FUL
2016 Approved
Rosemead Preparatory School Elmcourt Road London SE27 9BZ
Demolition of existing retaining wall on boundary between School and 42 Thurlow Park Road…
16/02450/G31
Lambeth
Planning Authority Score
2.7/10
Poor
#242 of 296 councils
Relevant to this application:
Householder decisions

Lambeth ranks #164 out of 296 councils for householder decision speed. 47% of applications have the time limit extended, above the 41% national average. Lambeth is also one of the strictest councils - it refuses more householder applications than almost any other, with only 81% approved vs 90% nationally.

One of the strictest councils
only 81% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Lambeth decision statistics
Based on MHCLG data, the year to March 2026
78%
Overall approval rate
Below avg (87%) #274 of 296
81%
Householder approved
Below avg (90%) #273 of 296
62%
Decided in 8 weeks
Below avg (63%) #164 of 296
47%
Extended time limit
Above avg (41%) #209 of 296
46%
Minor dwellings approved
70 decided (1-9 homes)
100%
Major dwellings approved
9 decided (10+ homes)
42%
Change of use approved
53 decided
1,784
Total decisions
396 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings

Freehold owner: Information produced by HM Land Registry. © Crown copyright 2026. Source: HM Land Registry, UK and overseas companies that own property in England and Wales, September 2026 release.