11 Adastra Avenue Hassocks West Sussex BN6 8DP

1. 29 Sep 2026

   Received by Mid Sussex

2. 2 Oct 2026

   Validated

   Checked as complete and ready for consideration.

3. 5 Oct 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 27 November 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Mid Sussex took a median of 54 days over the applications it decided in the last year.

This application is with Mid Sussex for determination, against a statutory target of eight weeks. Over the last year Mid Sussex's median decision took 54 days. More in our guide to how long planning decisions take.

The published feed does not state which type of application this is; the register entry on Mid Sussex's portal will say. Our guide explains the common types.

• 6 Adastra Avenue Hassocks West Sussex BN6 8DL

  DM/26/1936 Submitted 4 Aug 2026 50 yards away

  94% historically approved · decision due ~2 Dec

  Demolition of existing garage. Proposed first floor and two storey extensions to bungalow to create chalet style dwelling.(Please note amended description).

  Awaiting decision Extension Demolition
  Domestic

• 9 Adastra Avenue Hassocks West Sussex BN6 8DP

  DM/26/0655 Submitted 13 Mar 2026 100 yards away

  Proposed ground floor rear extension.

  Granted Householder Extension 8 docs
  Domestic

• 5 Adastra Avenue Hassocks West Sussex BN6 8DP

  DM/23/0191 Submitted 23 Jan 2023 100 yards away

  Proposed rear extension to kitchen/dining room and loft conversion with rear dormer.

  Granted Lawful development Extension Loft or dormer 8 docs

• 118 Grand Avenue Hassocks West Sussex BN6 8DG

  DM/21/2393 Submitted 22 Jun 2021 100 yards away

  Erection of single storey rear extension extending beyond the rear wall of the original house by 5.4 meters, to a maximum height of 3 metres and the height of the eaves of 2.4 metres.

  Granted Prior approval Extension 7 docs
  Small domestic

• 85 Grand Avenue Hassocks West Sussex BN6 8DG

  DM/26/0799 Submitted 27 Mar 2026 150 yards away

  Loft conversion with gable-end and rear dormer.

  Granted Householder Loft or dormer 8 docs
  Domestic

• 42 Adastra Avenue Hassocks West Sussex BN6 8DL

  DM/23/0527 Submitted 22 Feb 2023 150 yards away

  Proposed loft conversion to include dormer windows to side roof slopes and proposed conversion of garage to form entrance / enlarged hallway.

  Granted Lawful development Loft or dormer Windows or glazing 6 docs