24 Ashbourne Grove London Southwark SE22 8RL Data via plota.co.uk

26/AP/0757 - Variation Decided
Admin / procedural

Proposal

Non-material amendment of planning permission (Construction of a side rear extension) for the addition of a rear cat flap and a high-level side window Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
16 Mar 2026
✓
Validated
10 Jul 2026
✓
Agreed - for App Types VLA and VNMC
4 Aug 2026

Agreed - for App Types VLA and VNMC on 4 Aug 2026 · Last checked 2 Sept 2026

Documents 2

Application forms 1

PDF APPLICATION FORM - WITHOUT PERSONAL DATA Application - Form (Without Personal data) · 16 Mar 2026 View ↗

Other documents 1

PDF VALID APPLICATION LETTER WITH INVOICE Valid Application Letter · 17 Jul 2026 View ↗

All documents on the council site ↗

Associated applications 2

  • Part of

    FullApprovedcouncil archive
    • AmendmentNon-material amendment (Construction of a side rear extension) for the addition of a rear cat…This application26/AP/0757

Site constraints 5

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
3 listed buildings within 150 m; Inside the Southwark built-up area; Tree preservation order 26 m away: 31 East Dulwich Grove & 39 Matham Grove; Town centre 75 m away: Dulwich - Lordship Lane.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument 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
Variation
Postcode
SE22 8RL
Received
16 Mar 2026
Validated
10 Jul 2026
Ward
Goose Green
Parish
Dulwich
Case officer
Show
Target decision
6 Aug 2026
Decision
Agreed - for App Types VLA and VNMC
Decision date
4 Aug 2026
Applicant
Show
Agent
Ideaplan

Public comments

No public comments yet.

Last counted 1 Sept 2026

Read the comments on the council site ↗

Consultation & key dates

Env. assessment
No

Historical activity at this location

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

This property

Previous applications at this address

2024 Approved
construction of a side rear extension
24/AP/2717
Within ~100m

Nearby activity

2025 Approved
45A Ashbourne Grove London Southwark SE22 8RN
Construction of rear and side ground floor extension.
25/AP/0880
2024 Approved
46 Ashbourne Grove London Southwark SE22 8RL
Demolition of existing rear extension and construction of a new ground floor rear extensi…
24/AP/3556
2024 Approved
46 Ashbourne Grove London Southwark SE22 8RL
Demolition of existing rear extension and construction of a new ground floor and first fl…
24/AP/3555
2025
33 East Dulwich Grove London Southwark SE22 8PW
Installation of external plant equipment with enclosures and associated enabling works wi…
25/AP/0254
2024
13 Ashbourne Grove London Southwark SE22 8RN
Construction of basement, demolition of existing rear structure, ground floor, first floo…
24/AP/3550
2024 Approved
28 Ashbourne Grove London Southwark SE22 8RL
Construction of a single storey side/rear infill extension. Installation of 2no. roofligh…
24/AP/3026
2024 Approved
33 East Dulwich Grove London Southwark SE22 8PW
Internal and external alterations including new partitions, works to windows and doors, r…
24/AP/1440
2024 Approved
23 Chesterfield Grove London Southwark SE22 8RP
Demolition of existing conservatory and construction of ground floor single storey wrapar…
24/AP/1697
2024 Approved
15B Tell Grove London Southwark SE22 8RH
Construction of a single storey side/rear extension and the installation of a window on t…
24/AP/0626
2024 Approved
Ground Floor Flat 27 Ashbourne Grove London Southwark SE22 8RN
Construction of a single storey side and rear infill extension
24/AP/0564
2023 Approved
37 East Dulwich Grove London Southwark SE22 8PW
Removal of existing timber single glazed windows to the front elevations and renew with w…
23/AP/2914
2023 Approved
41 East Dulwich Grove London Southwark SE22 8PW
Replace timber framed single glazed windows with upvc framed double glazed windows on all…
23/AP/2900
2023 Approved
39 East Dulwich Grove London Southwark SE22
Replacement of the existing single glazed timber sash & casement units with heritage styl…
23/AP/1231
2022 Approved
31 East Dulwich Grove London Southwark SE22 8PW
Works to TPO trees: G1 - Group of 3 Large Lime trees in front garden. Pollard to previous…
22/AP/4362
2022 Approved
11B Matham Grove London Southwark SE22 8PN
Construction of a rear dormer extension, increase in roof ridge line and the addition of…
22/AP/2393
2022 Approved
19B Matham Grove London Southwark SE22 8PN
Construction of a rear dormer roof extension with a Juliet balcony and the installation o…
22/AP/2320
2022 Approved
19A Matham Grove London Southwark SE22 8PN
Construction of a single storey ground floor side-rear extension.
22/AP/0915
2021 Approved
33A Ashbourne Grove London Southwark SE22 8RN
Construction of a ground floor extension.
21/AP/4759
2022 Approved
48 Ashbourne Grove London Southwark SE22 8RL
Construction of a single storey side infill extension.
22/AP/0373
2022
48 Ashbourne Grove London Southwark SE22 8RL
Erection of a single storey side infill extension.
22/AP/0195
2016 Approved
6 Matham Grove London SE22 8PN
Construction of rear dormer extension with alteration to roof height and x2 rooflights to…
16/AP/4144
2016 Approved
15 Ashbourne Grove London SE22 8RN
Erection of a rear L-shape single storey ground floor extension (to the side and rear of…
16/AP/3354
2016 Approved
31 East Dulwich Grove London SE22 8PW
T1 - Large Lime tree in front garden. Routine maintenance - Pollard to previous points T2…
16/AP/2902
2016 Refused
6 Matham Grove London SE22 8PN
Alteration to roof height and rear dormer loft conversion with two rooflights to the fron…
16/AP/3079
2016 Approved
27 Chesterfield Grove London SE22 8RP
Construction of a single-storey ground floor rear and side return extension; Construction…
16/AP/1252
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