12C Alleyn Road London Southwark SE21 8AL

Pending 26/AP/1326
Extensions & alterations
Council
Southwark 7.3/10
Date received
8 May 2026
Date validated
8 May 2026
Postcode
SE21 8AL

Description

Construction of a rear extension, loft conversion, and the installation of a new window to side elevation, replacement windows and roof lights

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Other new applications on this street

34 Alleyn Road London Southwark SE21 8AL

Variation of Conditions 1 (approved plans) pursuant to planning permission 24/AP...

26/AP/0881 - 25 Mar 2026

Nearby new applications

59 Alleyn Road London Southwark SE21 8AD

ID 7787 Yew tree 4m in height - Fell to ground level and replace with an 8-10cm ...

26/AP/1558 - 1 Jun 2026

Hunts Slip Road And Alleyn Park Triangle London Southwark SE21 7LJ

Apple species (7807) and Norway Maple (102) - Fell to ground level

26/AP/1576 - 29 May 2026

31 Croxted Road London Lambeth SE21 8SZ

Application for a Non-Material Amendment Following a Grant of Planning Permissio...

26/01552/NMC - 21 May 2026

142 Rosendale Road London SE21 8LG

Certificate of Lawful Development (Proposed) with respect to the deconversion of...

26/01478/LDCP - 14 May 2026

Rosendale Road, Between Norwood Road And Tritton Road London SE24

Screening Opinion in respect of an Environmental Impact Assessment (EIA) pursuan...

26/01344/EIASCR - 27 Apr 2026

23 Chalford Road London SE21 8BX

Application for a Certificate of Lawful Development (Proposed) with respect to t...

26/01197/LDCP - 15 Apr 2026

Historical activity at this location

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

Within ~100m

Nearby activity

2025
34 Alleyn Road London Southwark SE21 8AL
Demolition of the building with retention of the front façade to facilitate the developme…
25/AP/2288
2025 Approved
32 South Croxted Road London Southwark SE21 8BB
Constrution of a ground floor side extension
25/AP/1358
2025 Approved
42 South Croxted Road London Southwark SE21 8BD
Construction of a single storey infill extension to rear side return
25/AP/1181
2024 Approved
34 Alleyn Road London Southwark SE21 8AL
Ground floor rear extension, replacement ground floor side extension, replacement rear ad…
24/AP/3809
2024 Approved
11 Alleyn Road London Southwark SE21 8AB
Tree works (TPO): A Crab Apple tree approximately 8m in height, situated in the front gar…
24/AP/2282
2022 Approved
23 Alleyn Road London Southwark SE21 8AB
T1. Mature veteran Oak tree - some removal of dead wood plus a small amount of crown lift…
22/AP/4042
2022 Approved
52 South Croxted Road London Southwark SE21 8BD
Certificate of Lawful Development (proposed) replacement of rear dormer and insertion of…
22/AP/1683
2022 Approved
27 Alleyn Road London Southwark SE21 8AB
Remove four low growing branches to a 10m High Oak tree . Remove dead wood and thin by 25…
22/AP/0265
2021 Approved
13 Alleyn Road London Southwark SE21 8AB
Tree removal notice (5 day) (TPO Order) for dead Horse Chestnut tree.
21/AP/3641
2021 Approved
40 South Croxted Road London Southwark SE21 8BD
Construction of a rear dormer extension together with new windows in the existing west an…
21/AP/2189
2021 Approved
19 Alleyn Road London Southwark SE21 8AB
Purple Maple (T1) - Crown to be lightly thinned by up to 15% and one lowest branch to be…
21/AP/1855
2021 Approved
28 Alleyn Road London Southwark SE21 8AL
Replacement of single window on front elevation with two windows
21/AP/1725
2021 Approved
42 South Croxted Road London Southwark SE21 8BD
Construction of a single storey infill extension to rear, rear dormer extension and refur…
21/AP/1566
2020 Approved
11 Alleyn Road London Southwark SE21 8AB
T1 Crab Apple - Fell to ground level T2 Crab Apple - Fell to ground level T3 Damson - Fel…
20/AP/3851
2020 Approved
11 Alleyn Road London Southwark SE21 8AB
T1 Willow Tree - Fallen. Remove
20/AP/2969
2020 Approved
Ground Floor Flat 56 South Croxted Road London Southwark SE21 8BD
Construction of a single storey L-shaped rear extension with partially pitched and partia…
20/AP/2232
2020 Refused
11 Alleyn Road London Southwark SE21 8AB
Crab Apple (T1 on site plan) - Fell The tree works are proposed to stop the influence of…
20/AP/2009
2016 Approved
30 Alleyn Road London SE21 8AL
Erection of a single storey rear extension after demolition of existing glazed conservato…
16/AP/5166
2016 Approved
54 South Croxted Road London SE21 8BD
Erection of rear single storey extension, which extends off the rear wall by 5.947m; with…
16/AP/1386
Southwark
Planning Authority Score
7.3/10
Good
#47 of 292 councils
Relevant to this application:
Householder decisions

Southwark is faster than most councils at deciding householder applications, ranking #43 out of 292. Householder applications are slightly more likely to be approved here (95%) than the national average (90%).

Faster than most councils
for householder decisions
These figures are council-wide context, not a prediction for this application. View full council performance
Southwark decision performance
Based on MHCLG data, 2025
91%
Overall approval rate
Above avg (87%) #105 of 292
95%
Householder approved
Above avg (90%) #87 of 292
80%
Decided in 8 weeks
Above avg (64%) #43 of 292
36%
Extended time limit
Below avg (40%) #111 of 292
92%
Minor dwellings approved
263 decided (1-9 homes)
70%
Major dwellings approved
10 decided (10+ homes)
78%
Change of use approved
36 decided
1,589
Total decisions
137 refused in 2025
Source: MHCLG planning statistics · See full council rankings