14 Leppoc Road London SW4 9LT Data via plota.co.uk

26/02813/FUL - Full Planning Permission Awaiting decision
Extensions & alterations

Proposal

Erection of first floor rear extension to include second floor roof terrace, replacement of existing ground floor extension roof and rear wall with new roof with skylights and new bi-fold doors, and replacement of first floor rear doors to the rear return with new French doors to create Juliet balcony to single dwelling. Data via plota.co.uk

Track application Save this application and get an email when its status or decision changes. Alerts nearby Get email alerts for new planning applications near this address.
View original council record ↗Last checked

Application progress

✓
Received
28 Sept 2026
Decision
Expected by 3 Dec 2026

Under consideration

No decision has been issued yet. Plota predicts a decision around 23 Nov 2026, from Lambeth's recent extensions.

Comments are open until 3 Nov 2026

Comment on this application ↗

Documents 4

Plans & drawings 1

PDF EXISTING AND PROPOSED LOCATION PLAN, FLOOR PLANS, ELEVATIONS PLANS, Plans · 28 Sept 2026 View ↗

Application forms 1

PDF APPLICATION FORM - WITHOUT PERSONAL DATA Application Form · 28 Sept 2026 View ↗

Other documents 2

PDF PHOTOGRAPHS AND PHOTOMONTAGES Photo · 28 Sept 2026 View ↗ PDF FIRE SAFETY STRATEGY Supporting Docs · 28 Sept 2026 View ↗

All documents on the council site ↗

Site constraints 3

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 ↗
Also on the record
Inside the Lambeth built-up area; Public transport access: PTAL 3 (moderate), 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 9 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 £975,000 in August 2010. Terraced house, freehold.

27 August 2010£975,000
29 January 1998£319,000

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

Building

Floor area184 m² (1,981 sq ft)
Energy ratingD (57 out of 100), could reach C
PropertyMid-terrace house, 6 habitable rooms
Built1900 to 1929
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in January 2022, the latest held for this property. The building may have changed since. View the certificate

Work with planning data?

Every application in Lambeth - and every UK council - as a live feed, an API, or a bulk CSV export.

About Plota's data service

Other new applications on this street

20 Mar 2026Approved

59 Leppoc Road London SW4 9LS

Approval of details pursuant to condition 7 (Secured by Design) of Planning perm...

26/01252/DET

Nearby new applications

8 Oct 2026Pending

34 Elms Crescent London SW4 8QZ

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

26/02954/NMC
1 Oct 2026Pending

34 Elms Crescent London SW4 8QZ

Approval of details pursuant to conditions 4 (Method of Construction Statement) ...

26/02928/DET
1 Oct 2026Pending

94 Crescent Lane London SW4 9PL

Installation of 2x Air Source Heat Pumps (ASHP) with a timber enclosure to the f...

26/02924/FUL
30 Sept 2026Pending

1 Bonneville Gardens London SW4 9LB

T1 Acacia 30% Crown Reduction back to previous pruning points. Reducing vertical...

26/02851/TCA
10 Sept 2026Pending

76 Park Hill London SW4 9PB

Certificate of Lawful Development (Proposed) with respect to the erection of a h...

26/02603/LDCP
29 Sept 2026Pending

17 Thornbury Road London SW2 4DL

Replacement of the existing timber windows and doors with new double glazed uPVC...

26/02821/FUL

Important details

Council
Lambeth
Application type
Full Planning Permission
Postcode
SW4 9LT
Received
28 Sept 2026
Validated
28 Sept 2026
Ward
Clapham Common & Abbeville
Case officer
Show
Target decision
3 Dec 2026
Applicant
Show
Agent
Design Team

Decision outlook

Day 21 of the 56-day target. Lambeth usually decides extensions by day 56.

Day 2135 days to the 56-day target
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.

6 neighbours consulted · Last counted 16 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Comments by
3 Nov 2026
Statutory expiry
3 Dec 2026
Env. assessment
No

Historical activity at this location

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

Within ~100m

Nearby activity

2025 Approved
31 Caldervale Road London SW4 9LY
Enlargement of the existing rear dormer and replacement of the existing dormer window wit…
25/02729/FUL
2025 Approved
37 Leppoc Road London SW4 9LS
Erection of a single storey ground floor side infill extension with the alteration of an…
25/01792/FUL
2025 Approved
23 Crescent Lane London Lambeth SW4 9PT
Erection of a single storey ground floor rear extension, together with the erection of a…
25/01443/FUL
2025 Approved
16 Leppoc Road London Lambeth SW4 9LT
Erection of a mansard roof extension to rear outrigger, including the installation of 2 s…
25/01382/FUL
2025 Approved
16 Leppoc Road London SW4 9LT
Excavation and enlargement of existing basement with the formation of a front lightwell.
25/00749/FUL
2024 Approved
26 Elms Crescent London Lambeth SW4 8RA
Erection of a rear extension at first floor level, together with the installation of a 0…
24/03829/FUL
2024 Approved
15 Leppoc Road London SW4 9LS
Replacement of all existing ground floor front and rear PVCu framed windows and existing…
24/03780/FUL
2024 Approved
18B Leppoc Road London SW4 9LT
Erection of an 'L' shaped rear mansard roof extension and the installation of three roofl…
24/03566/FUL
2024 Approved
52 Leppoc Road London SW4 9LT
Widening of existing openings at ground and first floor rear/side elevation together with…
24/02985/FUL
2024 Approved
18 Caldervale Road London SW4 9LZ
Erection of a single storey ground floor rear and side infill extensions. Erection of a r…
24/02563/FUL
2024 Withdrawn
26 Elms Crescent London Lambeth SW4 8RA
Erection of a first floor rear extension.
24/01499/FUL
2024 Approved
21 Caldervale Road London SW4 9LY
Application for a Lawfulness (Proposed) with respect to the construction of rear dormer a…
24/00128/LDCP
2023 Approved
130 Abbeville Road London Lambeth SW4 9LR
Excavation/extension to the exiting cellar, erection of a single storey ground floor side…
23/00720/FUL
2023 Approved
21 Caldervale Road London Lambeth SW4 9LY
Erection of a single storey side and rear infill extension.
23/02967/FUL
2023 Approved
4 Leppoc Road London SW4 9LT
Conversion of the property into two residential units with the erection of a single store…
23/00845/FUL
2023 Approved
20 Caldervale Road London SW4 9LZ
Erection of a single storey ground floor rear and side infill extension. Erection of a re…
23/01055/FUL
2023 Approved
17 Caldervale Road London Lambeth SW4 9LY
To crown reduce / thin 2 x Lime trees to rear of property by 40%.
23/00775/TPO
2022 Approved
24 Caldervale Road London SW4 9LZ
Excavation/extension of the basement involving the formation of a front lightwell and a r…
22/04229/FUL
2022 Approved
31 Crescent Lane London Lambeth SW4 9PT
Replacement of the existing second floor rear window with double doors, replacement of th…
22/02429/FUL
2022 Approved
14 Elms Crescent London Lambeth SW4 8RA
Erection of a single storey rear extension, and erection of a single storey outbuilding…
22/01801/FUL
2016 Withdrawn
1 Caldervale Road London SW4 9LY
Erection of ground floor rear extension and extension at rear first floor with the creati…
16/02500/FUL
2016 Approved
3 Leppoc Road London Lambeth SW4 9LS
Erection of a single storey side infill extension and removal of existing external stairc…
16/01677/FUL
2016 Approved
18 Elms Crescent London Lambeth SW4 8RA
Erection of a single storey rear extension at the first floor level
16/01442/FUL
2016 Approved
45 Caldervale Road London SW4 9LY
Erection of a single storey rear extension and change of window to door in main rear wall.
16/01048/FUL
2016 Approved
53 Leppoc Road London SW4 9LS
Erection of a single storey ground floor rear and side infill extension and single storey…
16/01084/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 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

Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.