9 Carson Road London Lambeth SE21 8HT Data via plota.co.uk

26/02230/FUL - Full Planning Permission Refused
Extensions & alterations

Proposal

Removal of an existing rear dormer and reinstatement. The re-modelling of a roof to include a gable end and small second dormer. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
31 Jul 2026
✗
Refused
5 Oct 2026
Appeal
Not lodged

Refused on 5 Oct 2026 · Delegated Decision · Last checked 6 Oct 2026

Documents 14

Decision & officer reports 2

PDF OFFICER REPORT Delegated Register · 5 Oct 2026 View ↗ PDF Decision Notice Decision Notice · 5 Oct 2026 View ↗

Statements & assessments 2

PDF DESIGN AND ACCESS STATEMENT Design & Access Statement · 31 Jul 2026 View ↗ PDF FIRE STATEMENT Supporting Docs · 31 Jul 2026 View ↗

Plans & drawings 7

PDF PROPOSED FRONT, REAR AND SIDE ELEVATIONS Plans · 31 Jul 2026 View ↗ PDF PROPOSED - SECOND FLOOR AND ROOF PLANS Plans · 31 Jul 2026 View ↗ PDF EXISTING ELEVATIONS - FRONT AND REAR ELEVATIONS Plans · 31 Jul 2026 View ↗ PDF EXISTING - SECOND FLOOR AND ROOF PLANS Plans · 31 Jul 2026 View ↗ PDF PROPOSED - SECTION C-C / D-D Plans · 31 Jul 2026 View ↗ PDF EXISTING - SECTION A-A / B-B Plans · 31 Jul 2026 View ↗ PDF DOCUMENT & DRAWING REGISTER Supporting Docs · 31 Jul 2026 View ↗

Application forms 2

PDF APPLICATION FORM - WITHOUT PERSONAL DATA Application Form · 31 Jul 2026 View ↗ PDF COMMUNITY INFRASTRUCTURE LEVY - COMPLETED FORM Supporting Docs · 31 Jul 2026 View ↗

Other documents 1

PDF OS MAP OS Map · 31 Jul 2026 View ↗

All documents on the council site ↗

Site constraints 5

Rosendale Road 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 ↗
Habitat network: Network Enhancement Zone 2
Where habitat is joined up enough to work as a network. Context, not a constraint on its own.
Also on the record
Inside the Lambeth built-up area; Public transport access: PTAL 2 (poor), TfL 2023, for the 100 m square.
Not affected
Outside flood zones 2 and 3 · Not green belt · No listed building at the site

Checked on 6 October 2026. 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.

Sales history 2

Last sold for £543,000 in April 2004. Terraced house, freehold.

15 April 2004£543,000
21 May 1999£289,950

Sale prices from HM Land Registry's price paid record, matched to this application by its address.

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Other new applications on this street

20 Oct 2026Pending

47 Carson Road London SE21 8HT

Formation of a vehicular crossover and dropped kerb with associated works.

26/02742/FUL
10 Jun 2026Approved

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FRONT GARDEN: T1 Cabbage Palm. THIN internal growth. REMOVE dead seed pods and l...

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15 Oct 2026Pending

36 Carson Road London Lambeth SE21 8HU

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26/02672/LDCP
20 Jul 2026Pending

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Nearby new applications

20 Oct 2026Pending

47 Carson Road London SE21 8HT

Formation of a vehicular crossover and dropped kerb with associated works.

26/02742/FUL
15 Oct 2026Pending

36 Carson Road London Lambeth SE21 8HU

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26/02672/LDCP
7 Oct 2026Pending

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Replacement of the existing windows and doors on the property with new uPVC fram...

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7 Oct 2026Pending

34 Birkbeck Place London SE21 8JU

Replacement of the existing windows and doors at the front and rear for double-g...

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2 Oct 2026Pending

49 Thurlow Park Road London SE21 8JP

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30 Sept 2026Pending

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Erection of a single-storey first-floor side extension above the existing side e...

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Important details

Council
Lambeth
Application type
Full Planning Permission
Postcode
SE21 8HT
Received
31 Jul 2026
Validated
31 Jul 2026
Ward
West Dulwich
Case officer
Show
Target decision
5 Oct 2026
Decision
Refuse Permission
Decision date
5 Oct 2026
Decision level
Delegated Decision
Applicant
Show
Agent
Studio IRIS Ltd.

How this decision compares

Decided in 66 days from validation, 10 days slower than Lambeth's median of 56 for extensions. Refused, as 18% of extensions here are.

59%decided within 8 weeks
82%approved
835decided in the last year

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

Public comments

No public comments yet.

9 neighbours consulted · Last counted 6 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Comments by
2 Oct 2026
Statutory expiry
25 Sept 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

2022 Withdrawn
T1 Yukka & T2 Plum tree - Cut down to ground level and remove the stump
22/04131/TCA
2016 Approved
To crown reduce 2 x Cherry Plum trees to rear of property by up to 1 metre.
16/01305/TCA
Within ~100m

Nearby activity

2025 Refused
37 Carson Road London SE21 8HT
Replacement of existing windows on the rear elevation to Flat 3.
25/03639/FUL
2025 Approved
36 Carson Road London SE21 8HU
Rear Garden: T1 Maple. Crown reduce height and spread by 2 m. T2 Purple plum. Reduce heig…
25/03316/TCA
2025 Withdrawn
2 Ling's Coppice London SE21 8SY
1 x 0399 - Class 1 - Betula spp - Birch species: Crown lift tree highway and street lamp…
25/02929/TPO
2025 Approved
40 Carson Road London SE21 8HU
Back Garden: T1: Purple Plum: Fell. Height approx. 6m. Reason: Tree has died. Replant wit…
25/01904/TCA
2025
21 Carson Road London Lambeth SE21 8HT
Alterations to front boundary and front garden to allow vehicle parking space and facilit…
25/02173/FUL
2025 Approved
26 Carson Road London SE21 8HU
Erection of single storey outbuilding in rear garden.
25/00953/FUL
2025 Approved
38 Ling's Coppice London SE21 8SX
TPO No. 248, September 1994 T19 Horse Chestnut T143 (Tree Plotter) / T19 (TPO 248) Horse…
25/00212/TPO
2025 Approved
1 Ling's Coppice London SE21 8SY
TPO No. 248, September 1994, T30 Oak: Sectional dismantling and stump grinding of T30 Oak…
25/00507/TPO
2025 Approved
17 Carson Road London SE21 8HT
Replacement of existing garage door with timber framed double sash windows.
25/00137/FUL
2024 Approved
32 Carson Road London Lambeth SE21 8HU
Back Garden: T1 Lime: Crown reduction on the tree to decrease its current height and widt…
24/03684/TCA
2024 Refused
26 Carson Road London SE21 8HU
Erection of single storey outbuilding in rear garden.
24/03252/FUL
2024 Approved
15 Carson Road London Lambeth SE21 8HT
Front Garden: T1 Magnolia (current height: 10m) - Reduce the height from 10m to 9m to ali…
24/03283/TCA
2024 Approved
16 Carson Road London SE21 8HU
Back Garden: T1 Lime (current height is 11m, and the crown spread is 7m) Crown Reduction…
24/03007/TCA
2024 Approved
Ling's Coppice London SE21 8SX
TPO No. 248 September 8th, 1994. South 40-36 Lings Coppice within Communal Grounds: T24 H…
24/01940/TPO
2024 Approved
40 Carson Road London Lambeth SE21 8HU
T1 - Medium Magnolia tree, crown reduce by 20% to previous points. Reduction of up to 1m.
24/01002/TCA
2024 Approved
37 Flat 3 Carson Road London Lambeth SE21 8HT
T1 - Cordyline Palm, crown thin by 20%, remove 2x side branches to encourage upright grow…
24/00536/TCA
2023 Approved
23 Carson Road London Lambeth SE21 8HT
(T1): x1 Hornbeam, situated to the rear of the property: crown lift to 3m height, crown r…
23/03289/TCA
2023 Approved
46 Carson Road London SE21 8HU
T1: x1 Flowering Cherry tree (8m), located in the front garden. Suggested work - crown re…
23/02542/TCA
2023 Approved
34 Carson Road London Lambeth SE21 8HU
T1: x1 Cherry tree. Located in the back garden. Suggested work - pruning. Reason - genera…
23/01958/TCA
2023 Approved
37 Carson Road London SE21 8HT
1 x Cordyline (T1) - reduce height by 2m, reduce lateral spread by 2m, reduction to shape…
23/01456/TCA
2016 Approved
20 Carson Road London SE21 8HU
To remove 1 x Lilac tree to front of property.
16/02271/TCA
2016 Refused
150 Rosendale Road London Lambeth SE21 8LG
Replacement of existing timber framed windows to front, rear and side elevations with tim…
16/01188/FUL
2016 Approved
132 Rosendale Road London SE21 8LG
Replacement of existing windows with new Timber-framed double-glazed windows to the front…
16/00895/RG3
2016 Approved
37 Carson Road London SE21 8HT
Replacement of existing windows on rear elevation with new timber framed double glazed wi…
16/00894/RG3
2016 Approved
46 Carson Road London Lambeth SE21 8HU
To crown reduce 1 x Cherry tree to front of property by up to 1.5 metres all around.
16/00680/TCA
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 statistics
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

Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.

Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use