Planning application
26/00392/HOU
20 Fourth Avenue Portsmouth PO6 3HX
Proposal
Construction of single storey rear extension (following removal of existing)
As published by the council, reference 26/00392/HOU
Timeline
Dates from the published record
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12 Mar 2026
Received by Portsmouth
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13 Mar 2026
Validated
Checked as complete and ready for consideration.
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25 Jul 2026
Added to PlanIndex
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Decision
Awaiting decision
The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.
What happens while it is decided
The process from here
This application is with Portsmouth for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.
The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.
About householder applications
How this application type works
Householder applications cover work to an existing house and its garden: extensions, loft and garage conversions, porches, outbuildings and similar alterations within the boundary of the home. They cannot be used to create a separate dwelling or change what the building is used for. Councils aim to decide them within eight weeks, and immediate neighbours are usually notified and given a chance to comment.
Nearby applications
Within 500 metres
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25/01061/HOU Decided
21 Whitstable Road Portsmouth PO6 3JR
Construction of single storey side and rear extension and garage (following removal of existing)
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25/01399/CPL Granted
Queen Alexandra Hospital Southwick Hill Road Portsmouth PO6 3LY
Application for a certificate of lawful development for the proposed installation of a solar canopy
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25/01071/TPO Granted
Thomas Parr House Medina Road Portsmouth PO6 3NH
Within Tree Preservation Order 73; (T12) Silver Birch (Betula pendula), fell & (T8) Horse Chestnut (Aesculus hippocastanum), Create a monolith at a final height of approx. 9m from ground level to manage tree in poor condition in high target area. The tree has suspected Chestnut bleeding canker and is in decline.
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25/00044/GPDC Granted
61 Sandown Road Portsmouth PO6 3HL
Construction of single storey rear extension, extending 4m beyond the rear wall, with a height of 2.5m to the eaves and maximum height of 3.5m
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26/00123/FUL Awaiting decision
Site Of Former Cosham Fire Station Wayte Street Portsmouth
Conversion to 2 separate units for use as garage (Class B2) and nursery (Class E(f))
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26/00006/FUL Decided
Queen Alexandra Hospital Southwick Hill Road Portsmouth PO6 3LY
Construction of new plant housings to D Level rooftop including raised access decking, fencing, access door and window, landscaping and associated works; installation of chiller units and supports to F Level rooftop
Other householder applications
In Portsmouth
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25/01493/HOU Decided
77 Victoria Road South Southsea PO5 2BU
Construction of single storey rear and side extension with terrace at first floor (following removal of existing extension and garage), alterations to fenestration and installation of heat pump
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26/00497/HOU Awaiting decision
46 Carmarthen Avenue Portsmouth PO6 2AQ
Construction of two storey rear extension (following removal of existing) and enlargement of front porch
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26/00095/HOU Refused
96 Portsdown Road Portsmouth PO6 4QH
Alterations to roof to include hip to gable buildup and construction of dormer windows to front and rear roofslopes
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25/01455/HOU Decided
77 Station Road Portsmouth PO6 1PJ
Alterations to roof to include hip to gable buildup, and dormer window to rear roofslopes
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26/00115/HOU Decided
1 Court Mead Portsmouth PO6 2LT
Construction of rear and side single storey extension