9 Tritton Road London Lambeth SE21 8DE

Awaiting decision 26/00853/FUL
Extensions & alterations
Council
Lambeth 2.9/10
Date received
16 Mar 2026
Date validated
16 Mar 2026
Postcode
SE21 8DE

Description

Erection of a ground floor rear and side infill single storey extension.

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Historical activity at this location

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

Within ~100m

Nearby activity

2025 Approved
56 Tritton Road London SE21 8DE
Erection of a single storey ground floor rear and side infill extension.
25/00379/FUL
2024 Approved
46 Tritton Road London SE21 8DE
Erection of a single storey outbuilding in the rear garden.
24/03503/FUL
2023 Withdrawn
19A Rosendale Road London Lambeth SE21 8DS
Demolition of existing timber garden outbuildings and erection of two 2X or 3X bedroom ho…
23/02393/FUL
2022 Approved
52 Martell Road London SE21 8EE
Erection of a single storey ground floor rear conservatory. (Flat A).
22/03864/FUL
2022 Approved
25 Rosendale Road London SE21 8DS
Removal of existing single storey ground rear extension involving blocking up of existing…
22/04595/FUL
2022 Approved
56 Martell Road London SE21 8EE
Erection of a single storey ground floor L-shaped rear extension (Ground Floor Flat).
22/03698/FUL
2022 Approved
40 Tritton Road London SE21 8DE
Erection of an outbuilding used as a mini office in the back garden.
22/00506/FUL
2021 Approved
Parkhall Business Centre 40 Martell Road London SE21 8EN
Provision of two new roof terraces and new balustrades in Block C of Parkhall Business Ce…
21/04690/FUL
2021 Approved
44 Martell Road London SE21 8EE
Alterations to the existing front boundary including, timber fences to the side elevation…
21/03698/FUL
2021 Withdrawn
19A Rosendale Road London SE21 8DS
Demolition of the existing structures and erection of 2 two-storey semi-detached dwelling…
21/02203/FUL
2021 Refused
1B Rosendale Road London SE21 8DS
Replacement of existing boundary fence. (Retrospective)
21/01722/FUL
2021 Approved
26 Tritton Road London SE21 8DE
Erection of single storey ground floor wrap around extension, together with courtyard.
21/02745/FUL
2021 Approved
Parkhall Business Centre 40 Martell Road London SE21 8EN
Replacement of roof covering to Block C with a new flat roof, involving removal of existi…
21/01144/FUL
2021 Refused
Parkhall Business Centre 40 Martell Road London SE21 8EN
Provision of roof terraces and new balustrades in Block C and part of Block F of Parkhall…
21/01270/FUL
2021 Refused
56 Martell Road London SE21 8EE
Creation of a vehicular crossover and dropped kerb. (First Floor Flat)
21/00603/FUL
2020 Approved
52 Tritton Road London SE21 8DE
Erection of a single storey side infill extension.
20/04418/FUL
2020 Refused
56 Martell Road London SE21 8EE
Creation of a vehicular crossover and dropped kerb. (First floor flat)
20/04183/FUL
2020 Approved
50 Martell Road London SE21 8EE
Erection of a single storey outbuilding in the rear garden. (Flat A)
20/03673/FUL
2020 Approved
42 Martell Road London SE21 8EE
Erection of single storey ground floor rear infill, new opening in rear ground floor elev…
20/03547/FUL
2020
Lambeth Depot 1 Vale Street London SE27 9PA
Temporary Community Shop with cafe and skills training facilities (Use Class E) for a tem…
20/04427/FUL
2017 Approved
Parkhall Business Centre 40 Martell Road London SE21 8EN
Resurfacing of front parking area; provision of outdoor seating, removal of low wall and…
17/00695/FUL
2017 Refused
32 Tritton Road London SE21 8DE
Erection of a single storey side infill and rear extension to replace existing single sto…
17/00197/FUL
2016 Approved
23 Rosendale Road London SE21 8DS
Conversion of the single dwelling house to provide 3 self contained flats. Erection of do…
16/05002/FUL
2016 Approved
42 Tritton Road London SE21 8DE
Erection of a single storey ground floor rear side infill extension with the formation of…
16/01261/FUL
2016 Withdrawn
23 Rosendale Road London SE21 8DS
Conversion of the single dwelling house to provide 3 self contained flats, together with…
16/00690/FUL
Lambeth
Planning Authority Score
2.9/10
Poor
#238 of 292 councils
Relevant to this application:
Householder decisions

Lambeth ranks #173 out of 292 councils for householder decision speed. 46% of applications have the time limit extended, above the 40% national average. Lambeth is also one of the strictest councils - it refuses more householder applications than almost any other, with only 83% approved vs 90% nationally.

One of the strictest councils
only 83% 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, 2025
80%
Overall approval rate
Below avg (87%) #260 of 292
83%
Householder approved
Below avg (90%) #256 of 292
61%
Decided in 8 weeks
Below avg (64%) #173 of 292
46%
Extended time limit
Above avg (40%) #194 of 292
51%
Minor dwellings approved
53 decided (1-9 homes)
88%
Major dwellings approved
8 decided (10+ homes)
40%
Change of use approved
52 decided
1,725
Total decisions
347 refused in 2025
Source: MHCLG planning statistics · See full council rankings