5 Holmcote Gardens, London, N5 2EP Data via plota.co.uk

P2026/2885/COL - Certificate of Lawfulness (Proposed) VALIDATED
Extensions & alterations

Proposal

Erection of rear dormer extension to extend existing attic conversion. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
2 Nov 2026
✓
Validated
10 Nov 2026
Decision
Expected by 27 Dec 2026

Under consideration

No decision has been issued yet. Plota predicts a decision between 29 Dec 2026 and 5 Jan 2027, from Islington's recent extensions.

Documents

View the documents on the council's website ↗

Site constraints 9

Article 4 directionLocal Plan Strategic and Development Management Policies - Policy B2 New businesWithin 50m of Aberdeen ParkWithin 50m of
Air quality management area: Islington 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 ↗
Article 4 directionCouncil record
Some permitted development rights are withdrawn. The direction is on the council's register but not published as open data.
Council site ↗
Local Plan Strategic and Development Management Policies - Policy B2 New businesCouncil record
Recorded by the council for this site.
Council site ↗
Within 50m of Aberdeen ParkCouncil record
Recorded by the council for this site.
Council site ↗
Within 50m ofCouncil record
Recorded by the council for this site.
Council site ↗
Also on the record
Conservation area 29 m away: Highbury New Park; 1 listed building within 150 m; Inside the Islington built-up area; Public transport access: PTAL 3 (moderate), TfL 2023, for the 100 m square.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 10 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.

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Important details

Council
Islington
Application type
Certificate of Lawfulness (Proposed)
Postcode
N5 2EP
Received
2 Nov 2026
Validated
10 Nov 2026
Ward
Highbury, Mildmay
Case officer
Show
Target decision
27 Dec 2026
Applicant
Show
Agent
Show

Decision outlook

Day 1 of the 56-day target. Islington usually decides extensions by day 52.

Day 155 days to the 56-day target
60%decided within 8 weeks
94%approved
816decided in the last year

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

Consultation & key dates

Alt. reference
PP-15341811
Islington
Planning Authority Score
2.9/10
Poor
#237 of 296 councils
Relevant to this application:
Householder decisions

Islington is slower than most councils at deciding householder applications, ranking #260 out of 296. 53% of applications have the time limit extended, above the 41% national average. Householder applications are slightly more likely to be approved here (93%) than the national average (90%).

Slower than most councils
for householder decisions
These figures are council-wide context, not a prediction for this application. View full council performance
Islington decision statistics
Based on MHCLG data, the year to March 2026
89%
Overall approval rate
Above avg (87%) #132 of 296
93%
Householder approved
Above avg (90%) #130 of 296
43%
Decided in 8 weeks
Below avg (63%) #260 of 296
53%
Extended time limit
Above avg (41%) #241 of 296
89%
Minor dwellings approved
499 decided (1-9 homes)
100%
Major dwellings approved
1 decided (10+ homes)
89%
Change of use approved
19 decided
1,488
Total decisions
167 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings