11 Down End Road Portsmouth PO6 1HT

1. 5 Feb 2026

   Received by Portsmouth

2. 10 Feb 2026

   Validated

   Checked as complete and ready for consideration.

3. 7 Apr 2026

   Decision issued: Permitted

4. 25 Jul 2026

   Added to PlanIndex

Portsmouth granted permission on 7 April 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 24 Down End Road Portsmouth PO6 1HU

  26/00002/GPDC Submitted 14 Jan 2026 86m away

  Construction of single storey rear extension, extending 5m beyond the rear wall, with a height of 2.1m to the eaves and maximum height of 3.7m

  Granted Prior approval Extension 2 docs
  Small domestic

• 39 Augustine Road Portsmouth PO6 1HZ

  26/00466/HOU Submitted 13 Apr 2026 143m away

  87% historically approved · decision due ~11 Jun

  Construction of new roof with dormer windows to north and south roofslopes, new single storey extension to west elevation (following demolition of existing), extension of existing raised patio including installation of balustrading; construction of single storey outbuilding with carport (following removal of existing shed); installation of new boundary gates, wall and driveway. External alterations to include removal of pitched roof to existing south bay window.

  Awaiting decision Householder Extension Loft or dormer +3
  Small domestic

• Summerlands 40 Down End Road Portsmouth PO6 1HU

  25/01076/HOU Submitted 16 Sep 2025 189m away

  Alterations to existing conservatory and construction of 1.1m tall balustrade to form balcony

  Granted Householder Extension 4 docs
  Small domestic

• 9 Augustine Road Portsmouth PO6 1HY

  25/00996/HOU Submitted 21 Aug 2025 254m away

  Construction of two-storey rear extension and single-storey rear/side extensions.

  Granted Householder Extension 6 docs
  Small domestic

• 40 Drayton Lane Portsmouth PO6 1HG

  25/01025/HOU Submitted 29 Aug 2025 276m away

  Construction of carport with solar panels (following removal of existing garage)

  Granted Householder 3 docs
  Domestic

• 66 Aberdare Avenue Portsmouth PO6 2AU

  26/00050/HOU Submitted 19 Jan 2026 312m away

  Construction of single storey rear extension and two storey side extension (following removal of existing), alterations to roof to include hip to gable buildup with construction of dormer window to rear roofslope

  Granted Householder Extension Loft or dormer +1 7 docs
  Small domestic

• 26/00485/CPL Granted

  46 Carmarthen Avenue Portsmouth PO6 2AQ

  Application for Certificate of Lawful Development for the proposed single storey outbuilding

  15 Apr 2026 Lawful development
• 26/00209/CPL Granted

  12 Second Avenue Portsmouth PO6 1JS

  Application for Certificate of Lawful Development for the proposed construction of outbuilding

  23 Feb 2026 Lawful development
• 26/00482/CPE Awaiting decision

  24 Guildford Road Portsmouth PO1 5HX

  Application for Certificate of Lawful Development for existing use as house in multiple occupation (Class C4)

  15 Apr 2026 Lawful development
• 26/00484/CPE Awaiting decision

  8 Outram Road Southsea

  Application for Certificate of Lawful Development for existing use as four residential apartments

  15 Apr 2026 Lawful development
• 26/00161/CPE Granted

  141 Guildford Road Portsmouth PO1 5BE

  Application for lawful development for existing use as a House in Multiple Occupation (Class C4)

  10 Feb 2026 Lawful development