26 Blenheim Avenue Southampton SO17 1DU

This site has had 2 applications since 2020: 2 approved, 0 refused.

• 20/01528/FUL Granted

  26 Blenheim Avenue Southampton SO17 1DU

  Replacement windows to front elevation.

  Decided 21 Dec 2020 Full applications

1. 26 Jun 2026

   Validated

   Checked as complete and ready for consideration.

2. 25 Jul 2026

   Added to PlanIndex

3. 20 Aug 2026

   Decision issued: Approve with Conditions

4. 6 Sep 2026

   Status changed to Approved

   Previously Awaiting decision.

Southampton granted permission on 20 August 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 full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• 24 Blenheim Avenue Southampton SO17 1DU

  22/00039/TCA Submitted 9 Jun 2022 50 yards away

  T1 Cherry - this tree is in decline and has been dying back for a couple of years. remove this dying tree

  Granted Trees 3 docs

• 46 Blenheim Avenue Southampton SO17 1DU

  22/00054/TCA Submitted 17 Aug 2022 50 yards away

  Silver Birch Trees x3 - Crown reduction to each by 25% as shown in photo. Crown lifting to each to a height of 2.5m

  Granted Trees 3 docs

• 46 Blenheim Avenue Southampton SO17 1DU

  23/00007/TCA Submitted 12 Jan 2023 50 yards away

  1x silver birch - Fell

  Granted Trees 3 docs

• 6 Blenheim Avenue Southampton SO17 1DU

  26/00225/FUL Submitted 6 Mar 2026 50 yards away

  Installation of air conditioning unit to side of dwelling

  Granted Full applications 8 docs
  Domestic

• 6 Blenheim Avenue Southampton SO17 1DU

  22/01052/FUL Submitted 10 Aug 2022 50 yards away

  Erection of a single storey side/rear extension with associated fenestration changes, side dormer window to facilitate loft conversion, installation of solar panels and air source heat pump and replacement of the tarmac driveway and hardstanding area with permeable paving

  Granted Full applications Extension Loft or dormer +1 22 docs
  Small domestic

• 48 Blenheim Avenue Southampton SO17 1DU

  25/00052/TCA Submitted 12 Nov 2025 50 yards away

  T1 Norway Maple-Reduce and reshape by up to 3 metres. T2 Pyrus-Reduce height by 1 metre and reshape by 60 to 90cm. T3 Cherry-Reduce and reshape by 2 metres. T4 Amalanchia- Reduce height by 1 to 1.5 metres remove crossing branches and light reshaping 30 to 60 cm as required. T5 Snake Bark Maple -Reduce and reshape by 60 to 90cm.

  Granted Trees 4 docs

• 26/01108/FUL Awaiting decision

  3 Leigh Road Southampton SO17 1EF

  Replacement front door (retrospective)

  Full applications
• 26/01212/FUL Awaiting decision

  Flat 11 Lake View 218 Warren Avenue Southampton SO16 6AA

  Conversion of existing 4-bedroom dwelling into 2 x 1-bedroom flats with associated amenities.

  Full applications
• 26/01148/FUL Awaiting decision

  135 Bellemoor Road Southampton SO15 7QW

  Erection of a two-storey detached three-bedroom dwelling.

  Full applications
• 26/01252/FUL Awaiting decision

  Unit 2 69A Above Bar Street Southampton SO14 7FE

  Retention of 2 x metal roller shutters to the shop front (Retrospective)

  Full applications
• 26/01219/FUL Awaiting decision

  180A Manor Road North Southampton SO19 2EB

  Part conversion of existing dwelling (Class C3) and garage to commercial area (Class E).

  Full applications