74 Thurlow Hill London Lambeth SE21 8JN Data via plota.co.uk

26/01486/FUL - Full Planning Permission Refused
Extensions & alterations

Proposal

Erection of a first floor single storey side extension, the replacement of the ground floor rear windows for french doors and the addition of a windos to the first floor side elevation. Data via plota.co.uk

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View original council record ↗

Application progress

✓
Received
15 May 2026
✗
Refused
10 Jul 2026
Appeal
Not lodged

Refused on 10 Jul 2026 · Delegated Decision · Last checked 11 Jul 2026

Documents 11

Decision & officer reports 2

PDF Decision Notice Decision Notice · 10 Jul 2026 View ↗ PDF OFFICER REPORT Delegated Register · 10 Jul 2026 View ↗

Statements & assessments 1

PDF DESIGN AND ACCESS STATEMENT Design & Access Statement · 15 May 2026 View ↗

Plans & drawings 4

PDF PROPOSED GROUND FLOOR AND FIRST FLOOR PLANS Plans · 15 May 2026 View ↗ PDF EXISTING GROUND FLOOR AND FIRST FLOOR PLANS Plans · 15 May 2026 View ↗ PDF PROPOSED FRONT, REAR AND SIDE ELEVATIONS Plans · 15 May 2026 View ↗ PDF EXISTING FRONT, REAR AND SIDE ELEVATIONS Plans · 15 May 2026 View ↗

Application forms 1

PDF COMMUNITY INFRASTRUCTURE LEVY - COMPLETED FORM Supporting Docs · 15 May 2026 View ↗

Other documents 3

PDF Plans - Revised Plans - Revised · 11 Jun 2026 View ↗ PDF Plans - Revised Plans - Revised · 11 Jun 2026 View ↗ PDF OS MAP OS Map · 15 May 2026 View ↗

All documents on the council site ↗

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Important details

Council
Lambeth
Application type
Full Planning Permission
Postcode
SE21 8JN
Received
15 May 2026
Validated
15 May 2026
Ward
West Dulwich
Case officer
Show
Decision
Refuse Permission
Decision date
10 Jul 2026
Decision level
Delegated Decision
Applicant
Show
Agent
Planners & Architects

Consultation & key dates

Comments by
17 Jun 2026
Env. assessment
No

Historical activity at this location

27 previous applications on record - archival context, not part of the live application.

This property

Previous applications at this address

2025 Refused
Erection of a first floor side extension, and alteration to the ground floor front elevat…
25/04003/FUL
2025 Approved
Application for a Certificate of Lawful Certificate (Proposed) for the erection of a hip…
25/04002/LDCP
Within ~100m

Nearby activity

2025 Approved
66 Thurlow Hill London SE21 8JN
Retrospective application for the erection of rear mansard roof extension, a mansard roof…
25/00338/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
66 Thurlow Hill London SE21 8JN
Erection of a single storey ground floor rear and side infill extension with a courtyard…
24/03323/FUL
2024 Refused
66 Thurlow Hill London SE21 8JN
Erection of rear dormer roof extension, a dormer roof extension over existing rear outrig…
24/03324/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 Approved
50 Thurlow Hill London SE21 8JN
Replacement of existing windows and front entrance door with new double glazed uPVC frame…
24/03510/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
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
24 Birkbeck Place London SE21 8JU
Replacement of the existing windows/doors with uPVC windows/doors.
23/02162/FUL
2023 Approved
16 Birkbeck Hill London Lambeth SE21 8JS
Replacement of timber windows and doors with double-glazed timber units to the front elev…
23/01629/FUL
2023 Refused
59 Thurlow Hill London SE21 8JW
Erection of single storey outbuilding in rear garden.
23/01368/FUL
2023 Approved
35 Lovelace Road London SE21 8JY
Erection of 2 rear and 1 side dormer windows extension.
23/00370/FUL
2023 Approved
48 Thurlow Hill London SE21 8JN
Erection of a rear mansard roof extension with 2 dormer windows and the installation of 2…
23/00524/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
2022 Approved
34 Birkbeck Place London SE21 8JU
Replacement of all existing windows and doors with double-glazed uPVC framed windows and…
22/04031/FUL
2022 Approved
25 Birkbeck Place London Lambeth SE21 8JU
Replacement of all single-glazed timber framed and Upvc windows with uPVC framed double-g…
22/04214/FUL
2017 Refused
21 Birkbeck Place London SE21 8JU
Erection of a front to rear mansard roof extension with a half-hipped roof incorporating…
17/05784/FUL
2017 Approved
35 Thurlow Hill London SE21 8JW
Replacement of existing windows and doors.
17/04450/FUL
2017 Approved
14 Birkbeck Hill London SE21 8JS
Replacement of all existing timber doors and single glazed timber windows with composite/…
17/04739/FUL
2017 Approved
54 Thurlow Hill London SE21 8JN
Replacement of all existing timber doors and single glazed timber windows with composite/…
17/04740/FUL
2017 Approved
46 Thurlow Hill London SE21 8JN
Replace existing timber and uPVC windows and doors at the front, sides and rear of the pr…
17/04456/FUL
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 performance
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