18 Greenacres Avenue Ickenham Data via plota.co.uk

4245/APP/2026/1795 Undecided
Extensions & alterations

Proposal

Erection of a double storey rear extension with loft conversion and associated internal alterations. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
20 Jul 2026
Decision
Expected by 14 Oct 2026

This application is under consideration - no decision has been issued yet. Plota predicted a decision around 4 Oct 2026; it is now day 76. The consultation period closed on 27 Aug 2026.

Documents

View the documents on the council's website ↗

Site constraints 5

Article 4 direction
Residential extensions. Named permitted development rights are withdrawn here.
An Article 4 direction withdraws particular permitted development rights, so work that would normally need no application needs one here. Not every council has published its directions.
Air quality management area: Hillingdon 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 ↗
Habitat network: Network Enhancement Zone 2
Where habitat is joined up enough to work as a network. Context, not a constraint on its own.
Also on the record
Inside the Hillingdon built-up area; Green belt about 84 m away: London.
Not affected
Outside flood zones 2 and 3 · No scheduled monument at the site

Checked on 25 September 2026. The pin for this application is the centre of its postcode rather than the building, so distances to nearby designations are measured from the postcode and can be out by the width of the postcode area. 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
Hillingdon
Received
20 Jul 2026
Validated
20 Jul 2026
Ward
ICK/HAM & S HF/D 22
Case officer
Show
Target decision
14 Oct 2026
Agent
Show

Decision outlook

Day 76, past the statutory target. 93% of extensions in Hillingdon are decided within thirteen weeks, which runs to 19 Oct 2026; extensions of time are common, and the council need not decide on the day. Last seen undecided on 3 Oct 2026.

Day 7620 days past the 56-day target
66%decided within 8 weeks
92%approved
1,175decided in the last year

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

Consultation & key dates

Consultation
6 Aug 2026
Comments by
27 Aug 2026
Hillingdon
Planning Authority Score
3.5/10
Below average
#219 of 296 councils
Relevant to this application:
Householder decisions

Hillingdon ranks #194 out of 296 councils for householder decision speed. Householder applications are slightly more likely to be approved here (90%) than the national average (90%).

These figures are council-wide context, not a prediction for this application. View full council performance
Hillingdon decision statistics
Based on MHCLG data, the year to March 2026
85%
Overall approval rate
Below avg (87%) #208 of 296
90%
Householder approved
Above avg (90%) #191 of 296
58%
Decided in 8 weeks
Below avg (63%) #194 of 296
45%
Extended time limit
Above avg (41%) #190 of 296
61%
Minor dwellings approved
67 decided (1-9 homes)
65%
Change of use approved
17 decided
1,680
Total decisions
255 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings