15 Rothesay Court, Cumberland Place, London, SE6 1LA Data via plota.co.uk

DC/26/145005 - Full Planning Permission Registered
Extensions & alterations

Proposal

Replacement of existing windows with uPVC casement windows on the side and rear elevations at 15 Rothesay Court, SE6. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
10 Aug 2026
✓
Validated
17 Sept 2026
✓
Consultation
18 Sept 2026
Decision
Expected by 12 Nov 2026

This application is under consideration - no decision has been issued yet. Plota predicts a decision around 12 Nov 2026, from Lewisham's recent extensions.

Documents 5

Plans & drawings 4

PDF Proposed window schedule Case Copy Drawings · 18 Sept 2026 View ↗ PDF Side elevations full height Case Copy Drawings · 10 Aug 2026 View ↗ PDF Block plan Case Copy Drawings · 10 Aug 2026 View ↗ PDF Side and rear elevations Case Copy Drawings · 10 Aug 2026 View ↗

Application forms 1

PDF Redacted Application form Application Form · 10 Aug 2026 View ↗

All documents on the council site ↗

Site constraints 2

Article 4 direction
Small Houses in Multiple Occupation Article 4. Named permitted development rights are withdrawn here.
An Article 4 direction withdraws particular permitted development rights, so work that would normally need no application needs one here. Not every council has published its directions.
Also on the record
Inside the Lewisham built-up area.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 19 September 2026. Historic England, the Environment Agency, Natural England 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
Lewisham
Application type
Full Planning Permission
Postcode
SE6 1LA
Received
10 Aug 2026
Validated
17 Sept 2026
Ward
Hither Green
Case officer
Show
Applicant
Show

Decision outlook

Day 18 of the 56-day target. Lewisham usually decides extensions by day 56.

Day 1838 days to the 56-day target
76%decided within 8 weeks
86%approved
780decided in the last year

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

Public comments

No public comments yet.

Last counted 2 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-12682668
Neighbours
18 Sept 2026
Consultation
18 Sept 2026
Env. assessment
No

Historical activity at this location

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

Within ~100m

Nearby activity

2025 Approved
2 MERIDIAN COURT, CUMBERLAND PLACE, LONDON, SE6 1LA
Application for a Lawful Development Certificate (Proposed) submitted under Section 192 o…
DC/25/141286
2025 Approved
47 SOUTH PARK CRESCENT, LONDON, SE6 1JJ
Application for a Lawful Development Certificate (proposed) submitted under Section 192 o…
DC/25/140266
2025 Refused
47 SOUTH PARK CRESCENT, LONDON, SE6 1JJ
Application for a Lawful Development Certificate (Proposed) submitted under Section 192 o…
DC/25/138801
2024 Approved
13 CUMBERLAND PLACE, LONDON, SE6 1LA
Construction of a single storey side and rear extension, together with front infill porch…
DC/24/138442
2023 Approved
19 SOUTH PARK CRESCENT, LONDON, SE6 1JJ
Removal of existing outbuilding and construction of new outbuilding in the rear garden of…
DC/23/133248
2023 Approved
53 SOUTH PARK CRESCENT, LONDON, SE6 1JJ
Application for Prior Approval under Schedule 2, Part 1, Class A, Part (g) of the Town an…
DC/23/130330
2022 Approved
13 CUMBERLAND PLACE, LONDON, SE6 1LA
Construction of a single storey rear extension at 13 Cumberland Place SE6.
DC/22/127808
2022 Approved
13 CUMBERLAND PLACE, LONDON, SE6 1LA
Prior approval for the construction of a single storey rear extension at 13 CUMBERLAND PL…
DC/22/125887
2021 Approved
1 MONTROSE COURT, CUMBERLAND PLACE, LONDON, SE6 1LA
Replacement of 5 windows with uPVC double glazed windows at 1 Montrose Court, Cumberland…
DC/21/124049
2021 Approved
8 KESWICK COURT, CUMBERLAND PLACE, LONDON, SE6 1LA
Retrospective application for the installation of replacement UPVC double glazed windows…
DC/21/122822
2021 Approved
15 MCMILLAN COURT, CUMBERLAND PLACE, LONDON, SE6 1LA
Replacement of 4 timber windows with uPVC at Flat 15, McMillan Court, Cumberland Place, S…
DC/21/121285
2020 Approved
1 MCMILLAN COURT,EDINBURGH COURT, MERIDIAN COURT,ROWALLAN COURT, CUMBERLAND PLACE, LONDON, SE6 1LA
The installation of replacement double glazed uPVC windows to the front elevation communa…
DC/20/117671
2020 Approved
49 SOUTH PARK CRESCENT, LONDON, SE6 1JJ
Alterations and conversion of the existing dwelling at 49 South Park Crescent SE6, togeth…
DC/20/116710
2020 Refused
9 SOUTH PARK CRESCENT, LONDON, SE6 1JJ
Certificate Of Lawful Development (Proposed) in respect of internal alterations and conve…
DC/20/115742
2019 Approved
19 SOUTH PARK CRESCENT, LONDON, SE6 1JJ
The construction of a single storey rear extension at 19 South Park Crescent SE6, togethe…
DC/19/111143
2018 Refused
49 SOUTH PARK CRESCENT, LONDON, SE6 1JJ
The construction of a single storey rear extension at 49 South Park Crescent, SE6.
DC/18/108891
2018 Approved
25 SOUTH PARK CRESCENT, LONDON, SE6 1JJ
The removal of the existing conservatory, and construction of a single storey rear extens…
DC/18/107051
2018 Refused
12 CUMBERLAND PLACE, LONDON, SE6 1LA
Construction of front and side boundary wall with vehicle access gates at 12 Cumberland P…
DC/18/106880
2018 Approved
25 SOUTH PARK CRESCENT, LONDON, SE6 1JJ
The construction of a single storey extension at the rear of 25 South Park Crescent SE6…
DC/18/105238
2017 Approved
12 CUMBERLAND PLACE, LONDON, SE6 1LA
Conversion of garage into habitable room, together with associated front elevation altera…
DC/17/104138
2017 Approved
12 CUMBERLAND PLACE, LONDON, SE6 1LA
Lawful Development Certificate (Proposed) for construction of a single storey side and re…
DC/17/104137
2017 Approved
9 SOUTH PARK CRESCENT, LONDON, SE6 1JJ
The construction of a single storey rear extension and roof extensions to the rear roof s…
DC/17/101684
2016 Approved
25 MCMILLAN COURT, CUMBERLAND PLACE, LONDON, SE6 1LA
The installation of replacement double glazed uPVC windows on the front and side elevatio…
DC/16/098652
Lewisham
Planning Authority Score
5.8/10
Average
#111 of 296 councils
Relevant to this application:
Householder decisions

Lewisham ranks #127 out of 296 councils for householder decision speed. Householder applications are slightly more likely to be approved here (90%) than the national average (90%).

These figures are council-wide context, not a prediction for this application. View full council performance
Lewisham decision statistics
Based on MHCLG data, the year to March 2026
84%
Overall approval rate
Below avg (87%) #224 of 296
90%
Householder approved
Above avg (90%) #192 of 296
69%
Decided in 8 weeks
Above avg (63%) #127 of 296
31%
Extended time limit
Below avg (41%) #58 of 296
65%
Minor dwellings approved
117 decided (1-9 homes)
92%
Major dwellings approved
12 decided (10+ homes)
57%
Change of use approved
67 decided
1,303
Total decisions
207 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings