24 Glenthorne Road Portsmouth PO3 5DN Data via plota.co.uk

26/00032/GPDC - General Permitted Development Awaiting decision

Proposal

Construction of single storey rear extension, extending 4.04m beyond the rear wall, with a height of 2.85m to the eaves and maximum height of 2.85m Data via plota.co.uk

View original council record ↗Last checked

Application progress

Received
28 Aug 2026
Validated
4 Sept 2026
Consultation
7 Sept 2026
Decision
Expected by 15 Oct 2026

This application is under consideration - no decision has been issued yet. Plota predicts a decision around 29 Oct 2026, from Portsmouth's recent extensions. Comments are open until 30 Sept 2026.

Comment on this application ↗

Site constraints 2

Nutrient neutrality catchment: Solent: Includes Chichester and Langstone Harbours SPA/Ramsar, Solent and Southampton Water SPA/Ramsar, Solent Maritime SAC, Portsmouth Harbour SPA/Ramsar
New homes and overnight accommodation must show nutrient neutrality before approval.
Natural England advice: extra wastewater in these catchments harms protected habitats, so schemes must offset their nutrient load, usually through credits.
Also on the record
Inside the Portsmouth built-up area.
Not affected
Outside flood zones 2 and 3 · Not green belt · No listed building at the site

Checked on 11 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
Portsmouth
Application type
General Permitted Development
Postcode
PO3 5DN
Received
28 Aug 2026
Validated
4 Sept 2026
Ward
Copnor
Case officer
Show
Target decision
15 Oct 2026
Applicant
Show
Agent
Derek Treagus Associates

Decision outlook

Day 8 of the 56-day target. Portsmouth usually decides extensions by day 55.

Day 848 days to the 56-day target
62%decided within 8 weeks
86%approved
197decided in the last year

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

Public comments

No public comments yet.

2 neighbours consulted · Last counted 9 Sept 2026

Read the comments on the council site ↗

Consultation & key dates

Neighbours
7 Sept 2026
Consultation
7 Sept 2026
Comments by
30 Sept 2026
Statutory expiry
15 Oct 2026
Env. assessment
No
Portsmouth
Planning Authority Score
3.1/10
Poor
#232 of 296 councils
Relevant to this application:
Householder decisions

Portsmouth ranks #188 out of 296 councils for householder decision speed. 48% of applications have the time limit extended, above the 41% national average. Householder applications are slightly less likely to be approved here (89%) than the national average (90%).

These figures are council-wide context, not a prediction for this application. View full council performance
Portsmouth decision statistics
Based on MHCLG data, the year to March 2026
86%
Overall approval rate
Below avg (87%) #196 of 296
89%
Householder approved
Below avg (90%) #207 of 296
60%
Decided in 8 weeks
Below avg (63%) #188 of 296
48%
Extended time limit
Above avg (41%) #217 of 296
61%
Minor dwellings approved
44 decided (1-9 homes)
90%
Major dwellings approved
10 decided (10+ homes)
77%
Change of use approved
99 decided
613
Total decisions
85 refused in the year to March 2026