321 Uxbridge Road, Slough, SL2 5RG Data via plota.co.uk

Y/20889/002 - Permitted Development with Consultation Registered application

Proposal

The erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 5.00m, with a maximum height of 3.12m, and an eaves height of 3.00m Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
14 Oct 2026
✓
Consultation
14 Oct 2026
Decision
Expected by 25 Nov 2026

Under consideration

No decision has been issued yet. Plota predicts a decision around 6 Dec 2026, from Slough's recent extensions.

Site constraints 3

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 ↗
Also on the record
Inside the Slough built-up area; Green belt 61 m away: London.
Not affected
No listed building at the site · No scheduled monument at the site

Checked on 15 October 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.

Building

Floor area89 m² (958 sq ft)
Energy ratingD (56 out of 100), could reach C
PropertySemi-detached house, 5 habitable rooms
Built1950 to 1966
HeatingBoiler and radiators, mains gas
WallsCavity wall, as built, no insulation (assumed)

From the energy performance certificate lodged in March 2026, the latest held for this property, matched to this application by its address. The building may have changed since. View the certificate

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Important details

Council
Slough
Application type
Permitted Development with Consultation
Postcode
SL2 5RG
Received
14 Oct 2026
Validated
14 Oct 2026
Case officer
Show
Target decision
25 Nov 2026
Decision level
Delegated
Applicant
Show
Agent
V-DESIGN CAD SERVICES LTD

Decision outlook

Day 14 of the 56-day target. Slough usually decides extensions by day 53.

Day 1442 days to the 56-day target
66%decided within 8 weeks
81%approved
462decided in the last year

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

Consultation & key dates

Site or press notice
14 Oct 2026
Statutory expiry
4 Nov 2026
Slough
Planning Authority Score
2.4/10
Poor
#260 of 296 councils
Relevant to this application:
Householder decisions

Slough is slower than most councils at deciding householder applications, ranking #263 out of 296. Slough is also one of the strictest councils - it refuses more householder applications than almost any other, with only 82% approved vs 90% nationally.

One of the strictest councils
only 82% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Slough decision statistics
Based on MHCLG data, the year to March 2026
78%
Overall approval rate
Below avg (87%) #275 of 296
82%
Householder approved
Below avg (90%) #269 of 296
42%
Decided in 8 weeks
Below avg (63%) #263 of 296
39%
Extended time limit
Below avg (41%) #142 of 296
60%
Minor dwellings approved
48 decided (1-9 homes)
50%
Major dwellings approved
4 decided (10+ homes)
40%
Change of use approved
47 decided
617
Total decisions
137 refused in the year to March 2026

Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.