9 Adastra Avenue Hassocks West Sussex BN6 8DP

1. 13 Mar 2026

   Received by Mid Sussex

2. 30 Apr 2026

   Decision issued: Permission

3. 12 Aug 2026

   Added to PlanIndex

The council has decided this application; the published outcome sits in the record above and the decision notice on the council portal carries the detail, including any conditions.

If permission was granted, work must normally begin within three years of the decision. If it was refused, the applicant can appeal within the statutory time limit or submit a revised scheme.

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.

More on householder applications in our guide

• 5 Adastra Avenue Hassocks West Sussex BN6 8DP

  DM/23/0191 Submitted 23 Jan 2023 25m away

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

  Decided Lawful development Extension Loft or dormer 8 docs

• 85 Grand Avenue Hassocks West Sussex BN6 8DG

  DM/26/0799 Submitted 27 Mar 2026 122m away

  Loft conversion with gable-end and rear dormer.

  Decided Householder Loft or dormer 8 docs
  Domestic

• 70 Grand Avenue Hassocks West Sussex BN6 8DE

  DM/23/0536 Submitted 24 Feb 2023 154m away

  Front addition to form porch and cloakroom.

  Decided Householder Extension 9 docs
  Small domestic

• 5 Orchard Lane Hassocks West Sussex BN6 8QE

  DM/25/2100 Submitted 19 Aug 2025 158m away

  Conversion and first floor extension of existing 2/3 bedroom bungalow to 4 bedroom house, demolition of existing rear conservatory, erection of a single storey extension, partial conversion of garage into utility, remodelling of existing bungalow roof to accommodate bedrooms, solar panels and associated landscaping.

  Decided Householder Extension Demolition 27 docs
  Small domestic

• 9 Mackie Avenue Hassocks West Sussex BN6 8NH

  DM/26/0358 Submitted 11 Feb 2026 160m away

  Loft conversion including the addition of a flat-roofed rear dormer, two smaller hipped side dormers and the addition of one roof window.

  Decided Lawful development Loft or dormer Windows or glazing 16 docs

• 9 Mackie Avenue Hassocks West Sussex BN6 8NH

  DM/26/0359 Submitted 11 Feb 2026 160m away

  Proposed single storey rear extension.

  Decided Householder Extension 22 docs
  Small domestic

• DM/26/1124 Granted

  Fir Trees Hazelgrove Road Haywards Heath West Sussex RH16 3PQ

  Close existing vehicle access, raise highway kerb and footway to WSCC specification and fence boundary as existing. Creation of new access on the north onto New England Road.

  5 May 2026 Householder
• DM/25/1705 Decided

  Sunte House Birchen Lane Haywards Heath West Sussex RH16 1RZ

  Proposed demolition and removal of roof canopy and stairs to existing garage and replace with new wooden staircase. Proposed construction of rear extension to main house and extension linking the Dairy and Toolshed outbuildings. Proposed construction of new poolhouse and associated external and internal works, including window replacements.

  3 Jul 2025 Householder
• DM/26/1162 Decided

  5 Watermead Balcombe Haywards Heath West Sussex RH17 6EY

  A two storey side extension, set back from the existing front elevation. Single storey rear extension. New door to the rear external wall.

  8 May 2026 Householder
• DM/26/0412 Decided

  Barrington House Portsmouth Wood Drive Lindfield Haywards Heath West Sussex RH16 2DW

  Proposed ground mounted PV solar panels.

  17 Feb 2026 Householder
• DM/26/0793 Decided

  Hillbury Cottage Horsham Road Handcross Haywards Heath West Sussex RH17 6DB

  Proposed 3m extension to an existing dropped kerb.

  27 Mar 2026 Householder