17 Oaklands Avenue Sidcup Kent DA15 8NF Data via plota.co.uk

26/01199/LDCP - Lawful Development Certificate-Proposed Approved

Proposal

Lawful Development Certificate (Proposed) for the erection of single storey rear extension. Data via plota.co.uk

View original council record ↗Last checked

Application progress

Received
19 Jun 2026
Approved
12 Aug 2026

Approved on 12 Aug 2026 · Last checked 13 Aug 2026

Site constraints 4

Air quality management area: Bexley 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 Bexley built-up area; Designated open space 17 m away; Priority habitat 32 m away: Deciduous woodland.
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
Bexley
Application type
Lawful Development Certificate-Proposed
Postcode
DA15 8NF
Received
19 Jun 2026
Validated
19 Jun 2026
Ward
BLACKFEN & LAMORBEY
Case officer
Show
Target decision
14 Aug 2026
Decision
Certificate of Lawfulness Granted
Decision date
12 Aug 2026
Applicant
Show

How this decision compares

Decided in 54 days from validation, about the council's usual 56 days. Approved, as 91% of extensions here are.

84%decided within 8 weeks
91%approved
700decided in the last year

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

Public comments

No public comments yet.

Last counted 13 Aug 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-14872749
Env. assessment
No
Bexley
Planning Authority Score
8.9/10
Excellent
#5 of 296 councils
Relevant to this application:
Householder decisions

Bexley is one of the fastest councils in England for householder decisions, ranking #17 out of 296. Only 20% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Householder applications are slightly more likely to be approved here (95%) than the national average (90%).

Among the fastest councils in England
for householder decisions
These figures are council-wide context, not a prediction for this application. View full council performance
Bexley decision statistics
Based on MHCLG data, the year to March 2026
90%
Overall approval rate
Above avg (87%) #106 of 296
95%
Householder approved
Above avg (90%) #69 of 296
89%
Decided in 8 weeks
Above avg (63%) #17 of 296
20%
Extended time limit
Below avg (41%) #17 of 296
69%
Minor dwellings approved
124 decided (1-9 homes)
88%
Major dwellings approved
8 decided (10+ homes)
58%
Change of use approved
90 decided
1,324
Total decisions
133 refused in the year to March 2026