20 Gylcote Close London Southwark SE5 8EU Data via plota.co.uk

26/AP/1836 - Approval of Details Approved

Proposal

Details of 'Biodiversity Net Gain Condition' required by planning permission ref no. 25/AP/3182 'Construction of a single storey rear/side extension with new patio and solar panels to roof, inclusion of external insulation to dwelling. Replacement of existing windows/doors and garden fence'. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
24 Jun 2026
✓
Approved
13 Aug 2026

Approved on 13 Aug 2026 · Delegated Panel - Simple · Last checked 14 Aug 2026

Associated applications 2

Site constraints 4

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 ↗
Conservation area 17 m away: Sunray Estate
The edge of the area; work outside it can still affect its setting.
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.
Council document ↗
Also on the record
Inside the Southwark 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 2 November 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 1

Last sold for £75,000 in April 1999. Flat or maisonette, leasehold.

30 April 1999£75,000

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

Building

Floor area59 m² (635 sq ft)
Energy ratingD (68 out of 100), could reach C
PropertySemi-detached flat, 3 habitable rooms
Built1950 to 1966
HeatingBoiler and radiators, mains gas
WallsCavity wall, as built, no insulation (assumed)

From the energy performance certificate lodged in March 2014, the latest held for this property. The building may have changed since. View the certificate

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Important details

Council
Southwark
Application type
Approval of Details
Postcode
SE5 8EU
Received
24 Jun 2026
Validated
24 Jun 2026
Ward
Champion Hill
Case officer
Show
Target decision
18 Aug 2026
Decision
AOD - Granted
Decision date
13 Aug 2026
Decision level
Delegated Panel - Simple
Applicant
Show

Public comments

No public comments yet.

Last counted 14 Aug 2026

Read the comments on the council site ↗

Consultation & key dates

Statutory expiry
18 Aug 2026
Env. assessment
No
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

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.