3 Royal George Mews London Southwark SE5 8FD Data via plota.co.uk

26/AP/2600 - Householder Application Pending
Extensions & alterations

Proposal

Proposed single-storey side extension, internal reconfiguration and refurbishment, replacement windows and doors, roof refurbishment including solar panels, external fabric repairs, and associated garden and landscaping works. (amended) Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
2 Sept 2026
Decision
Expected by 27 Oct 2026

This application is under consideration - no decision has been issued yet. Plota predicts a decision around 23 Oct 2026, from Southwark's recent extensions.

Documents 15

Statements & assessments 2

PDF DESIGN, HERITAGE, FLOOD & FIRE STATEMENT Design and Access statement · 2 Sept 2026 View ↗ PDF ARBORICULTURAL REPORT Tree survey or Arboricultural implications · 2 Sept 2026 View ↗

Plans & drawings 10

PDF ROYAL - 0022 PROPOSED FIRST FLOOR PLAN Plan - Proposed · 2 Sept 2026 View ↗ PDF ROYAL - 0020 PROPOSED LOWER GROUND FLOOR PLAN Plan - Proposed · 2 Sept 2026 View ↗ PDF ROYAL - 0027 PROPOSED SOUTH ELEVATION Plan - Proposed · 2 Sept 2026 View ↗ PDF ROYAL - 0025 PROPOSED NORTH ELEVATION Plan - Proposed · 2 Sept 2026 View ↗ PDF ROYAL - 0021 PROPOSED GROUND FLOOR PLAN Plan - Proposed · 2 Sept 2026 View ↗ PDF ROYAL - 0030 3D BOARD 1 PROPOSED NORTH ELEVATION Plan - Proposed · 2 Sept 2026 View ↗ PDF ROYAL - 0026 PROPOSED WEST ELEVATION Plan - Proposed · 2 Sept 2026 View ↗ PDF ROYAL - 0023 PROPOSED ROOF PLAN Plan - Proposed · 2 Sept 2026 View ↗ PDF ROYAL - 0031 3D BOARD 2 PROPOSED SOUTH ELEVATION Plan - Proposed · 2 Sept 2026 View ↗ PDF ROYAL - 0005 EXISTING AND PROPOSED SITE PLAN Site - Block plan · 2 Sept 2026 View ↗

Application forms 2

PDF APPLICATION FORM - WITHOUT PERSONAL DATA Application - Form (Without Personal data) · 2 Sept 2026 View ↗ PDF COMMUNITY INFRASTRUCTURE LEVY - COMPLETED FORM CIL - GIA Form · 2 Sept 2026 View ↗

Other documents 1

PDF ROYAL - 0001 SITE PHOTOGRAPHS Photographs and photomontages · 2 Sept 2026 View ↗

All documents on the council site ↗

Site constraints 4

Tree preservation order: Area bounded by Denmark Hill, Sunray Avenue, Red Post Hill and Casino Avenue.
Consent is needed before work on protected trees.
Not every council has published its orders as open data, so no order shown is not proof there is none.
Air quality management area: Southwark 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
Conservation area 34 m away: Sunray Estate; Inside the Southwark built-up area.
Not affected
Outside flood zones 2 and 3 · Not green belt · No listed building at the site

Checked on 11 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
Southwark
Application type
Householder Application
Postcode
SE5 8FD
Received
2 Sept 2026
Validated
2 Sept 2026
Ward
Dulwich Village
Parish
Dulwich
Case officer
Show
Target decision
27 Oct 2026
Applicant
Show
Agent
KN Designs

Decision outlook

Day 11 of the 56-day target. Southwark usually decides extensions by day 51.

Day 1145 days to the 56-day target
78%decided within 8 weeks
94%approved
468decided in the last year

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

Public comments

No public comments yet.

26 neighbours consulted · Last counted 10 Sept 2026

Read the comments on the council site ↗

Consultation & key dates

Statutory expiry
27 Oct 2026
Env. assessment
No

Historical activity at this location

29 previous applications on record - archival context, not part of the live application.

This property

Previous applications at this address

2024 Approved
Works TPO: T1 Oak. T2 Yew & T4 Sycamore -. Selective reduction to give 1.5-2m clearance f…
24/AP/0464
2023 Approved
Replacement of existing external windows and doors, addition of PV panels, addition of fl…
23/AP/2712
2023
Replacement of existing external windows and doors, additional of air source heat pump an…
23/AP/0919
2022 Refused
Certificate of lawful development (proposed) for the replacement of windows and external…
22/AP/3541
Within ~100m

Nearby activity

2025 Approved
12 Sunray Avenue Southwark London SE22 9PY
5 DAY NOTIFICATION Tree ID 7131 An unrecognisable species approximately 8m in height, sit…
25/AP/3706
2025 Approved
12 Sunray Avenue London Southwark SE24 9PY
Tree ID 5651 A Common Pear tree approximately 9m in height, situated in the rear garden…
25/AP/1626
2024 Approved
88 Red Post Hill London Southwark SE24 9PW
Cercis (Judas) tee approx. 4m in height in north corner of front garden - trim and reshap…
24/AP/3448
2024 Approved
171 Denmark Hill London Southwark SE5 8DX
T1 large Evergreen Oak tree:- Crown thin by removing selected branches in the upper crown…
24/AP/3521
2024 Refused
92 Red Post Hill London Southwark SE24 9PW
Replacement windows comprising double glazed aluminium windows and doors and alterations…
24/AP/3094
2023 Refused
12 Sunray Avenue London Southwark SE24 9PY
Works to a TPO tree: Fell tree and eco plug the stump of x1 Ash tree (T1) at: 12 Sunray A…
23/AP/0841
2023 Approved
Hilltops House 104 Red Post Hill London Southwark SE24 9PW
The trees are owned by the Riverside Group and the following works have been recommended…
23/AP/0473
2022 Approved
8 Sunray Avenue London Southwark SE24 9PY
REVISED SPECIFICATION, omitting works to T6 Oak.BACK GARDENT1 NEXT DOOR'S ACER TREE, grow…
22/AP/3875
2022 Approved
2 Royal George Mews London Southwark SE5 8FD
T1: Yew Crown thin by 20% including the removal of dead wood, lifting low branches over t…
22/AP/3248
2022 Approved
4 Denhill House 181 Denmark Hill London Southwark SE5 8DX
T7 False Acacia of MWA Arb ReportWorks: Reduce height by 3m from 15 m to 12m and crown sp…
22/AP/2822
2022 Approved
220 Denmark Hill London Lambeth SE5 8DX
Conversion of the existing double garage into a single storey annexe for ancillary use to…
22/02449/FUL
2022 Approved
Herne Hill United Church Red Post Hill London Southwark SE24 9PW
Remove low branches to clear 4M cut down basal growth. (lime tree). reason: To abate haza…
22/AP/2163
2022 Approved
Herne Hill United Church Red Post Hill London Southwark SE24 9PW
To remove (fell) to near ground level and grub out/grind out stumps to inhibit regrowth a…
22/AP/0859
2022 Refused
4 Denhill House 181 Denmark Hill London Southwark SE5 8DX
T7 and T8 False Acacia of MWA Arb Report Works: Remove (fell) to near ground level and tr…
22/AP/0849
2021 Approved
102 Red Post Hill London Southwark SE24 9PW
T1 Goat Willow, repollard to previous points of reduction. Currently estimated height of…
21/AP/3915
2021 Approved
171 Denmark Hill London Southwark SE5 8DX
T1: Evergreen Oak tree - Crown thin by 20% and remove deadwood. Reduce a 11m tree in heig…
21/AP/3119
2021 Approved
2 Sunray Avenue London Southwark SE24 9PY
1x Holm Oak in rear garden - Lift canopy to 3m, thin and reduce a little(5m max) to maint…
21/AP/2335
2021 Approved
2B Sunray Avenue London Southwark SE24 9PY
1x Lime (TPO Number: 160) - Thin tree by 30%, remove dead wood and epicornic growth
21/AP/0875
2020 Approved
1 Royal George Mews London Southwark SE5 8FD
T1 Yew - reduce low extended laterals by up to 1.5m to clear rear building guttering and…
20/AP/1674
2020 Approved
179 Denmark Hill London Southwark SE5 8DX
T1 Ash - reduce lateral branches by up to 2m to clear corner of building and reduce in he…
20/AP/1678
2018 Approved
Red Post Hill Junction Of Red Post Hill And Herne Hill Denmark Hill London SE5 8DX
Telecommunications installation upgrade MBNL 15m High Hutchinson Engineering Phase 5 Stre…
18/AP/2546
2018 Approved
8 Sunray Avenue London SE24 9PY
T1 - ash tree - lift the lower branches to give a 3m clearance from ground leve, crown th…
18/AP/0888
2018 Approved
102 Red Post Hill London SE24 9PW
Construction of a single storey side and rear extension to additional living accommodatio…
18/AP/0203
2017 Approved
171 Denmark Hill London SE5 8DX
T4 - holm oak tree - between 15 and 16 min height - thin crown, including removal of dead…
17/AP/4281
2016 Approved
92 Red Post Hill London SE24 9PW
Retention of dormer window extension to the rear elevation of dwelling
16/AP/4083
Southwark
Planning Authority Score
7/10
Good
#64 of 296 councils
Relevant to this application:
Householder decisions

Southwark is faster than most councils at deciding householder applications, ranking #54 out of 296. 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 statistics
Based on MHCLG data, the year to March 2026
92%
Overall approval rate
Above avg (87%) #93 of 296
95%
Householder approved
Above avg (90%) #92 of 296
78%
Decided in 8 weeks
Above avg (63%) #54 of 296
37%
Extended time limit
Below avg (41%) #122 of 296
92%
Minor dwellings approved
259 decided (1-9 homes)
86%
Major dwellings approved
14 decided (10+ homes)
82%
Change of use approved
38 decided
1,622
Total decisions
132 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings