129 Hercies Road Uxbridge Data via plota.co.uk

4477/APP/2026/1974 Undecided
Extensions & alterations

Proposal

Erection of an Outbuilding to rear garden Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
11 Aug 2026
Decision
Target date was 6 Oct 2026

Under consideration

No decision has been issued yet. Plota predicted a decision around 29 Oct 2026; it is now day 79.

The consultation period closed on 12 Sept 2026.

Documents

View the documents on the council's website ↗

Site constraints 9

Flood zone 3, rivers and sea
High chance: a 1 in 100 or greater annual chance from rivers, or 1 in 200 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 Named permitted development rights are withdrawn here.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.
Agricultural land, grade 3a
Best and most versatile land (grades 1, 2 and 3a). Source: the Predictive Agricultural Land Classification Map (Defra and Natural England, 2025; the Welsh Government's Predictive ALC Map 2 in Wales), a model rather than a site survey. A site survey can differ.
Where development of farmland is needed, policy prefers poorer land over the best and most versatile (grades 1, 2 and 3a). Three sources: Natural England's post-1988 field surveys, which are definitive where they exist; the Defra predictive map for England (2025) and the Welsh Government predictive map, modelled from the soil map with 3a and 3b split; and the 1970s provisional map, which planners and other services still show, coarser and with grade 3 undivided. Where the provisional and predicted grades disagree, treat the predicted grade as the current estimate and expect an application to carry its own survey.
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 ↗
Also on the record
Priority habitat about 7 m away: Deciduous woodland; Green belt about 8 m away: London; Public transport access: PTAL 1b (very poor), TfL 2023, for the 100 m square; Flood defence about 36 m from the postcode pin (embankment, designed for a 1 in 100 year flood); National infrastructure project about 1820 m away: Expansion of Heathrow Airport (Third Runway), at pre-application.
Not affected
No scheduled monument at the site

Checked on 6 October 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, the Planning Inspectorate, 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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Other new applications on this street

1 May 2026Approved

71 HERCIES ROAD HILLINGDON

Erection of a single storey rear extension following demolition of existing rear...

13487/APP/2026/1099

Nearby new applications

9 Oct 2026Pending

FOUR WINDS PARK ROAD UXBRIDGE

Erection of double-storey 2x semi-detached dwellings with 4 beds and habitable l...

33980/APP/2026/2159
15 Sept 2026Pending

THE SPINNEY VINE GROVE HILLINGDON

TPO 7 T221 1x Oak to crown reduce 30% and prune back the ends of the branches no...

23407/TRE/2026/220
8 Sept 2026Pending

6 CHAPTER CLOSE UXBRIDGE

Erection of a single storey side/rear extension following demolition of the exis...

21596/APP/2026/2178
28 Aug 2026Approved

18 HONEY HILL UXBRIDGE

Erection of outbuilding to rear garden (Application for a Certificate of Lawful ...

4309/APP/2026/1828
17 Aug 2026Approved

41 HONEYCROFT HILL UXBRIDGE

Erection of a single storey side extension and rear extension, following the dem...

52838/APP/2026/2033
12 Aug 2026Approved

3 BREARLEY CLOSE UXBRIDGE UB8 1JJ

Erection of a part single, part double storey rear extension, conversion of gara...

80105/APP/2026/1994

Important details

Council
Hillingdon
Postcode
UB10 0TB
Received
11 Aug 2026
Validated
11 Aug 2026
Ward
HILLINGDON EAST 2022
Case officer
Show
Target decision
6 Oct 2026
Agent
ART @ Rooshika Ltd 4th Floor

Decision outlook

Day 79, past the statutory target. 93% of extensions in Hillingdon are decided within thirteen weeks, which runs to 10 Nov 2026; extensions of time are common, and the council need not decide on the day. Last seen undecided on 28 Oct 2026.

Day 7923 days past the 56-day target
66%decided within 8 weeks
91%approved
1,276decided 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 Aug 2026
Comments by
12 Sept 2026

Historical activity at this location

2 nearby applications on record - archival context, not part of the live application.

Within ~100m

Nearby activity

2018 Approved
LAND FORMING PART OF 7 BROOKSIDE UXBRIDGE UB10 9NF
Details pursuant to conditions 3 (Materials), 4 (Landscape Scheme), 8 (Sustainable Water…
72693/APP/2018/1495
2017 Approved
LAND FORMING PART OF 7 BROOKSIDE UXBRIDGE UB10 9NF
Two storey, 2-bed attached dwelling with associated parking and amenity space and extensi…
72693/APP/2017/1026
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