Portsmouth Grammer School High Street Portsmouth PO1 2LN Data via plota.co.uk
Proposal
Internal alterations including creation of larger openings to form new common rooms and to accommodate a pre-school External alterations including Installation of railings, 3 no. external canopy structures and alterations to fenestration Data via plota.co.uk
Application progress
This application is under consideration - no decision has been issued yet. Plota predicted a decision soon after comments close on 30 Mar 2026; it is now day 234. The consultation period closed on 30 Mar 2026.
Documents 30
Statements & assessments 5
Plans & drawings 15
Application forms 1
Consultation & comments 1
Other documents 8
Site constraints 6
Show the other 19 with distances
- 68 mPortsmouth Grammar School and Attached RailingsGrade II
- 68 mOutbuildings to South West of Portsmouth Grammar SchoolGrade II
- 89 m10, High StreetGrade II
- 96 m133 and 134, High StreetGrade II
- 96 mBuckingham HouseGrade II*
- 101 mNumber 132 1/2 and Attached RailingsGrade II
- 104 m132, High StreetGrade II
- 106 mFelton House (Number 12)Grade II
- 107 m131, High StreetGrade II
- 116 m127,128 AND 129, HIGH STREET (See details for further address information)Grade II
- 117 mRockingham (Number 14) and Nelson House (Number 15)Grade II
- 117 mCity Museum and Art GalleryGrade II
- 126 m16, High StreetGrade II
- 132 mIron Railings to Former Clarence Barracks Set Between Gate PiersGrade II
- 134 m1, Penny StreetGrade II*
- 146 m3, Penny StreetGrade II*
- 146 mGainsford (Number 11) and Clarence House (Number 13a)Grade II
- 148 m7 and 9, Peacock LaneGrade II
- 150 mPeacock CottageGrade II
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
- Full Application
- Postcode
- PO1 2LN
- Received
- 14 Jan 2026
- Validated
- 21 Jan 2026
- Ward
- St Thomas
- Case officer
- Show
- Target decision
- 18 Mar 2026
- Decision level
- Delegated
- Applicant
- Show
- Agent
- Harrington Design Architects
Decision outlook
Day 234, past the statutory target. 88% of extensions in Portsmouth are decided within thirteen weeks; extensions of time are common, and the council need not decide on the day. Last seen undecided on 7 Sept 2026.
Plota live figures for extensions decided by Portsmouth in the last twelve months, from validation. Portsmouth decision record →
Public comments
100% object · above the UK average of 75%
72 neighbours consulted · Last counted 7 Sept 2026
Consultation & key dates
- Alt. reference
- PP-14515940
- Neighbours
- 9 Mar 2026
- Consultation
- 27 Feb 2026
- Comments by
- 30 Mar 2026
- Site or press notice
- 13 Feb 2026
- Statutory expiry
- 18 Mar 2026
- Env. assessment
- No
Historical activity at this location
11 previous applications on record - archival context, not part of the live application.
Previous applications at this address
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%).
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Portsmouth Grammer School High Street Portsmouth PO1 2LN
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