120 Sternhold Avenue London SW2 4PP Data via plota.co.uk

26/01106/FUL - Full Planning Permission Approved
DemolitionExtensions & alterations

Proposal

Demolition of existing rear dormers with erection of a rear mansard roof extension with juliet balcony. Erection of a mansard roof extension over existing outrigger and installation of 2x roof lights to the front roof slope. Data via plota.co.uk

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Application progress

✓
Received
8 Apr 2026
✓
Approved
2 Jun 2026

Approved on 2 Jun 2026 · Delegated Decision · Last checked 6 Jul 2026

Documents 4

Decision & officer reports 2

PDF Decision Notice Decision Notice · 2 Jun 2026 View ↗ PDF DELEGATED REPORT Delegated Register · 2 Jun 2026 View ↗

Plans & drawings 1

PDF THE LOCATION PLAN Plans · 8 Apr 2026 View ↗

Other documents 1

PDF EXISTING AND PROPOSED PLANS Plans · 8 Apr 2026 View ↗

All documents on the council site ↗

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Important details

Council
Lambeth
Application type
Full Planning Permission
Postcode
SW2 4PP
Received
8 Apr 2026
Validated
8 Apr 2026
Ward
Streatham Hill West & Thornton
Case officer
Show
Decision
Grant Permission
Decision date
2 Jun 2026
Decision level
Delegated Decision
Applicant
Show
Agent
Ideaplan

Consultation & key dates

Comments by
14 May 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

2023 Approved
Application of a Certificate of Lawful Development (Proposed) with respect to the replace…
23/02587/LDCP
2023 Withdrawn
Replacement and enlargement of existing rear dormer roof extension.
23/00281/FUL
Within ~100m

Nearby activity

2025 Approved
84 Sternhold Avenue London Lambeth SW2 4PW
Erection of a mansard conversion over the outrigger with the installation of two flat roo…
25/03402/FUL
2025 Approved
68 Criffel Avenue London SW2 4BN
Erection of single storey ground floor side extension together with the installation of g…
25/01426/FUL
2025 Approved
158 Telford Avenue London SW2 4XH
Replacement of existing ground floor side elevation door and window with a timber framed…
25/00766/FUL
2024 Approved
203 Sternhold Avenue London SW2 4PG
Erection of a mansard roof extension to the main pitch roof behind the Dutch gable; erect…
24/03744/FUL
2024
94 Sternhold Avenue London SW2 4PW
Replacement of existing garages with a two storey single dwelling house with associated a…
24/03629/FUL
2024 Withdrawn
203 Sternhold Avenue London SW2 4PG
Erection of 2 side mansard roof extension to the main pitch roof behind the Dutch gable…
24/02524/FUL
2024 Withdrawn
96 Sternhold Avenue London SW2 4PW
Replacement of existing garages with a two storey single dwelling house with associated a…
24/01712/FUL
2024 Approved
86 Sternhold Avenue London Lambeth SW2 4PW
Installation of a rear external staircase with relocation of rear door.
24/00457/FUL
2018 Approved
25 Rastell Avenue London SW2 4XP
Front property : remove one yew tree, lime tree covered in ivy, remove ivy and repollard…
18/03143/TCA
2023 Approved
160 Telford Avenue London Lambeth SW2 4XH
Erection of a single storey ground floor rear side infill extension.
23/01877/FUL
2023 Approved
160 Telford Avenue London SW2 4XH
Erection of a single storey ground floor rear side infill extension.
23/00465/FUL
2022
88 Sternhold Avenue London Lambeth SW2 4PW
86 will have an external spiral staircase installed and the existing ground floor rear en…
22/00475/FUL
2021 Approved
13 Rastell Avenue London SW2 4XP
Erection of a single storey ground floor front extension.
21/01661/FUL
2021 Approved
17A Rastell Avenue London SW2 4XP
Erection of single storey ground floor rear and side extension.
21/00798/FUL
2020 Approved
19A Rastell Avenue London SW2 4XP
Conversion of the maisonnette to provide 2 self contained flats, together with the erecti…
20/00651/FUL
2020 Approved
20 Rastell Avenue London SW2 4XP
Use of roof above rear second floor as terrace (Flat 3).
20/04365/FUL
2020 Approved
247-251 Sternhold Avenue London SW2 4PG
Redevelopment to provide 4 residential dwellings together with a replacement Class D1 (no…
20/00430/RG4
2020 Approved
17 Rastell Avenue London SW2 4XP
Erection of rear mansard roof extension, installation of roof terrace to rear with opaque…
20/02503/FUL
2020
247-251 Sternhold Avenue London SW2 4PG
Redevelopment to provide 4 residential dwellings together with a replacement Class D1 (no…
20/00430/FUL
2019 Approved
239 Sternhold Avenue London SW2 4PG
Erection of a single storey ground floor rear/side infill extension and reduction in size…
19/03399/FUL
2016 Approved
197 Sternhold Avenue London SW2 4PG
Replacement roof, windows & doors.
16/04556/RG3
2016 Approved
21 And 22 Rastell Avenue London SW2 4XP
Loft conversion at No. 21 and No. 22 with the erection of a rear mansard roof with dormer…
16/04181/FUL
2016 Approved
195 Sternhold Avenue London SW2 4PG
Loft conversion involving the erection of two dormer windows on side roof pitches and ins…
16/00554/FUL
2016 Approved
70 - 72 Sternhold Avenue London SW2 4PW
Erection of a single storey ground floor side extension at 72 and the redesign of the flo…
16/00648/FUL
2016 Approved
18 Rastell Avenue London SW2 4XP
Erection of a single storey ground floor rear extension.
16/00034/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