29 Allcot Road Portsmouth PO3 5DE Data via plota.co.uk
Proposal
Construction of single storey rear extension, extending 4.3m beyond the rear wall, with a height of 2.5m to the eaves and maximum height of 3.8m Data via plota.co.uk
Application progress
Approved on 8 Jul 2026 · Committee Decision · Last checked 23 Aug 2026
Planning committee
Decided by Portsmouth Planning Committee on 8 Jul 2026.
Approved
- Officers advised granting prior approval because the extension would not cause unacceptable harm to neighbouring residential amenity.
- A neighbouring property raised concerns about light, scale, disruption, drainage and party-wall matters.
- The committee granted prior approval after the councillor who called in the application said his concerns had been resolved.
Source: Plota analysis of Portsmouth's committee minutes of 8 Jul 2026.
Documents 7
Decision & officer reports 2
Plans & drawings 3
Application forms 1
Site constraints 2
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.
Every application in Portsmouth - and every UK council - as a live feed, an API, or a bulk CSV export.
Nearby new applications
397 Copnor Road Portsmouth PO3 5EH
Change of use from dwellinghouse (Class C3) to 8 person/ 7 bedroom House in Mult...
3 Madeira Road Portsmouth PO2 0SE
Change of use from dwellinghouse (Class C3) to 7 person/7 bedroom house in multi...
Public House 230 Copnor Road Portsmouth PO3 5DB
Display of one illuminated totem sign, one illuminated fascia sign, 3 non illumi...
111 Kensington Road Portsmouth PO2 0JP
Change of use from dwellinghouse (Class C3) to 8 person/8 bedroom house in multi...
24 Glenthorne Road Portsmouth PO3 5DN
Construction of single storey rear extension, extending 4.04m beyond the rear wa...
75 Aylen Road Portsmouth PO3 5HD
Construction of single storey rear extension
Important details
- Council
- Portsmouth
- Application type
- General Permitted Development
- Postcode
- PO3 5DE
- Received
- 22 May 2026
- Validated
- 29 May 2026
- Ward
- Copnor
- Case officer
- Show
- Target decision
- 9 Jul 2026
- Decision
- Prior notification required and granted
- Decision date
- 8 Jul 2026
- Decision level
- Committee Decision
- Applicant
- Show
- Agent
- Thorns Young
How this decision compares
Decided in 40 days from validation, 15 days faster than Portsmouth's median of 55 for extensions. Approved, as 86% of extensions here are.
Plota live figures for extensions decided by Portsmouth in the last twelve months, from validation. Portsmouth decision record →
Public comments
67% object · below the UK average of 75%
7 neighbours consulted · Last counted 23 Aug 2026
Consultation & key dates
- Alt. reference
- PP-14956629
- Neighbours
- 29 May 2026
- Comments by
- 23 Jun 2026
- Committee
- 8 Jul 2026
- Env. assessment
- No
Historical activity at this location
13 nearby applications on record - archival context, not part of the live application.
Nearby activity
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%).
Track this application
29 Allcot Road Portsmouth PO3 5DE
Tracking this application
Not there in a minute? Check junk - especially Hotmail and Outlook.
Go to your dashboard →Sign in to view contact details
Applicant and case-officer names are hidden from public view for privacy. Create a free Plota account - or sign back in - and we'll show them, plus you get a dashboard for alerts and tracked applications.
Check your email
Sign in to see who commented
Councils publish the names of people who comment on an application. We keep them out of public view and search engines. Sign in free and we'll show them.