5 Delamere Road Hayes Data via plota.co.uk

7034/APP/2026/1683 Undecided
Extensions & alterations

Proposal

Erection of an infill single-storey rear extension to the existing rear extension, and amendments to the rear extension from a sloped roof to a flat roof, following retention of the existing front porch. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
6 Jul 2026
✓
Validated
14 Sept 2026
Decision
Expected by 9 Nov 2026

This application is under consideration - no decision has been issued yet. Plota predicts a decision around 7 Nov 2026, from Hillingdon's recent extensions. Comments are open until 12 Oct 2026.

Comment on this application ↗

Documents

View the documents on the council's website ↗

Site constraints 5

Flood zone 2, rivers and sea
Medium chance: between a 1 in 100 and 1 in 1,000 annual chance from rivers, or 1 in 200 to 1 in 1,000 from the sea. Any development here needs a flood risk assessment. Defences are not counted.
The Environment Agency flood map for planning. Homes in zone 3 must also pass the sequential test. Surface water flooding is a separate map.
Flood map ↗
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 Named permitted development rights are withdrawn here.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.
Not affected
Not green belt · No listed building at the site · No scheduled monument at the site

Checked on 25 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
Hillingdon
Received
6 Jul 2026
Validated
14 Sept 2026
Ward
BELMORE 2022
Case officer
Show
Target decision
9 Nov 2026
Agent
Show

Decision outlook

Day 21 of the 56-day target. Hillingdon usually decides extensions by day 54.

Day 2135 days to 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
21 Sept 2026
Comments by
12 Oct 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