40 Cedarville Gardens London SW16 3DA Data via plota.co.uk

26/03057/AUT - Consultation from Adjoining Authority Awaiting decision
Extensions & alterations

Proposal

Erection of single-storey side and rear extensions, including conversion and extension of the existing garage; erection of side and rear dormer roof extensions; and associated alterations. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
28 Oct 2026
Decision
Expected by 25 Nov 2026

Under consideration

No decision has been issued yet. Plota predicts a decision around 21 Dec 2026, from Croydon's recent extensions.

Documents 1

Other documents 1

PDF LETTER OF APPLICATION Application Submission details · 28 Oct 2026 View ↗

All documents on the council site ↗

Site constraints 6

Streatham Lodge conservation area
Demolition needs planning permission and permitted development is restricted.
The council must give weight to preserving or enhancing the area's character and appearance. Not every council has published its boundaries as open data.
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 ↗
Local nature reserve about 112 m away: Streatham Common
Work nearby can need a habitats assessment.
Harm to a protected site is only accepted where there is no alternative and an overriding public interest.
Also on the record
Registered park or garden about 114 m away: The Rookery; Inside the Lambeth built-up area; Public transport access: PTAL 1a (very poor), TfL 2023, for the 100 m square.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 5 November 2026. The pin for this application is the centre of its postcode rather than the building, so distances to nearby designations are measured from the postcode and can be out by the width of the postcode area. Historic England, the Environment Agency, Natural England, Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) 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
Croydon
Application type
Consultation from Adjoining Authority
Postcode
SW16 3DA
Received
28 Oct 2026
Validated
28 Oct 2026
Ward
Out Of Borough
Case officer
Show
Target decision
25 Nov 2026
Agent
London Borough of Lambeth

Decision outlook

Day 9 of the 56-day target. Croydon usually decides extensions by day 54.

Day 947 days to the 56-day target
74%decided within 8 weeks
81%approved
1,122decided in the last year

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

Public comments

No public comments yet.

Last counted 5 Nov 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
26/02992/FUL
Statutory expiry
25 Nov 2026

Historical activity at this location

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

Within ~100m

Nearby activity

2025 Withdrawn
115 Briar Avenue Norbury London SW16 3AG
Erection of single storey rear extension following demolition of existing
25/01627/HSE
2025 Approved
102 Heybridge Avenue London Lambeth SW16 3DT
Erection of a rear loft conversion involving two rear dormer windows and two front roof l…
25/00827/FUL
2024 Approved
10 Cedarville Gardens London Lambeth SW16 3DA
Erection of a single storey ground floor rear extension
24/02426/FUL
2024 Refused
10 Cedarville Gardens London SW16 3DA
Erection of a single storey ground floor rear extension.
24/01671/FUL
2023 Approved
84 Heybridge Avenue London Lambeth SW16 3DT
T1 Holm Oak (x1) - Fell to ground level. Self-seeded. Growing in an inappropiate location
23/01584/TCA
2023 Withdrawn
18 Cedarville Gardens London Lambeth SW16 3DA
Erection of part single storey ground floor rear extension with sliding doors, erection o…
23/00739/FUL
2023 Approved
18 Cedarville Gardens London Lambeth SW16 3DA
Erection of part single storey ground floor rear extension with sliding doors, erection o…
23/01349/AUT
2022 Approved
101 Briar Avenue Norbury London SW16 3AG
Alterations, erection of single-storey rear extension with terrace area
22/02323/HSE
2022 Approved
45 Cedarville Gardens London Lambeth SW16 3DA
Erection of a rear loft conversion involving two rear dormer windows and two front and on…
22/01778/FUL
2022 Approved
53 Cedarville Gardens London Lambeth SW16 3DA
Erection of a rear dormer roof extension and a side dormer extension, together with the i…
22/00621/FUL
2022 Approved
25 Cedarville Gardens London Lambeth SW16 3DA
External refurbishment to replace existing pebble dash with roughcast render finish colou…
22/00909/FUL
2022 Approved
27 Cedarville Gardens London Lambeth SW16 3DA
Erection of a sigle storey ground floor rear and side extension.
22/00623/FUL
2021 Refused
27 Cedarville Gardens London LONDON SW16 3DA
Erection of a single storey ground floor rear extension and replacement of the garage and…
21/03657/FUL
2021 Approved
107 Briar Avenue Norbury London SW16 3AG
Alterations to the roof to create a hip to gable roof extension and rear dormer
21/04024/LP
2021 Approved
102 Heybridge Avenue London SW16 3DT
Laswson Cypress (T1) - Fell because of excessive shading, low amenity value and it has be…
21/03713/TCA
2021 Approved
12 Cedarville Gardens London SW16 3DA
Installation of a rear dormer roof extension together with the installation of 1 heritage…
21/02825/FUL
2021 Approved
107 Briar Avenue Norbury London SW16 3AG
Erection of a single storey rear extension projecting out 6 metres from the rear wall of…
21/03992/GPDO
2021 Approved
12 Cedarville Gardens London SW16 3DA
Erection of a single storey ground floor rear/side extension.
21/01938/FUL
2021 Withdrawn
107 Briar Avenue Norbury London SW16 3AG
Erection of single storey rear extension, rear dormer and hip to gable roof extension wit…
21/01715/HSE
2021 Approved
25 Cedarville Gardens London SW16 3DA
Erection of single storey ground floor rear extension and installation of rear ground flo…
21/00869/FUL
2016 Approved
38 Cedarville Gardens London SW16 3DA
To crown reduce 1 x Cherry tree to rear of property by up to 1.8 metres, remove crossing…
16/06377/TPO
2016 Approved
38 Cedarville Gardens London SW16 3DA
To crown reduce 1 x Cherry tree to rear of property by up to 1.8 metres, remove crossing…
16/06377/TCA
2016 Refused
19 Cedarville Gardens London SW16 3DA
Erection of two dormer windows to the rear roof slope and two rooflights to the front slo…
16/05547/FUL
2016 Approved
97 Briar Avenue Norbury London SW16 3AG
Erection of gable end roof extension, with dormer extension in rear roof slope and insert…
16/05082/LP
2016 Refused
19 Cedarville Gardens London SW16 3DA
Loft conversion involving the erection of a rear dormer with two rooflights at the front…
16/04307/FUL
Croydon
Planning Authority Score
3.6/10
Below average
#215 of 296 councils
Relevant to this application:
Householder decisions

Croydon ranks #159 out of 296 councils for householder decision speed. Householder applications are slightly less likely to be approved here (87%) than the national average (90%).

These figures are council-wide context, not a prediction for this application. View full council performance
Croydon decision statistics
Based on MHCLG data, the year to March 2026
75%
Overall approval rate
Below avg (87%) #286 of 296
87%
Householder approved
Below avg (90%) #230 of 296
62%
Decided in 8 weeks
Below avg (63%) #159 of 296
44%
Extended time limit
Above avg (41%) #177 of 296
45%
Minor dwellings approved
238 decided (1-9 homes)
58%
Major dwellings approved
12 decided (10+ homes)
53%
Change of use approved
53 decided
1,590
Total decisions
403 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings