40 Third Avenue Chelmsford Essex CM1 4EY

1. 24 Feb 2025

   Received by Chelmsford

2. 2 Apr 2025

   Decision issued: Permitted

3. 17 Aug 2026

   Added to PlanIndex

Chelmsford granted permission on 2 April 2025, 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.

• 7 Third Avenue Chelmsford Essex CM1 4EX

  26/00611/NMAT/1 Submitted 22 Sep 2026 50 yards away

  88% historically approved · decision due ~17 Nov

  Non Material Amendment for planning permission - 26/00611/FUL - (Single storey rear extension and loft conversion including velux windows to front and a rear dormer) Existing stairway window: Retention of the existing side window opening, with the existing window replaced by a fixed, single-pane clear-glazed unit. The existing opening, size and position are retained. The replacement window is to be fixed rather than opening for safety reasons adjacent to the proposed staircase. Rear dormer: Adjustment of the front face of the approved rear dormer by approximately 150 mm to align with and bear directly onto the existing masonry wall below, following detailed structural coordination. The approved dormer parapet, roof form and overall design remain otherwise unchanged.

  Decided Extension Loft or dormer +1
  Small domestic

• 52 Third Avenue Chelmsford Essex CM1 4EY

  19/01613/FUL Submitted 23 Sep 2019 50 yards away

  Garage conversion and raising of roof

  Granted Full applications 6 docs

• 33 Third Avenue Chelmsford Essex CM1 4EX

  19/01701/FUL Submitted 10 Oct 2019 50 yards away

  First floor front extension with additional roof alterations.

  Granted Full applications Extension Roofing 7 docs

• 24 Third Avenue Chelmsford Essex CM1 4EY

  20/00112/FUL Submitted 18 Feb 2020 100 yards away

  Part two storey, part single storey rear extension.

  Granted Full applications Extension 10 docs
  Small domestic

• 55 Third Avenue Chelmsford Essex CM1 4EX

  19/01301/FUL Submitted 23 Jul 2019 100 yards away

  Conversion of garage to habitable room, replacing garage door with window, fitting of window to side elevation and raising the height of the garage.

  Granted Full applications Windows or glazing 7 docs

• 46 Fourth Avenue Chelmsford Essex CM1 4HA

  18/01247/FUL Submitted 14 Aug 2018 100 yards away

  Proposed enlarged roof dormer and rear extension.

  Granted Full applications Extension Loft or dormer 8 docs

• 26/01336/FUL Awaiting decision

  Great Oaks Main Road Little Waltham Chelmsford Essex CM3 3PA

  Demolition of an existing workshop building and construction of a new dwelling.

  Full applications
• 26/01221/FUL Awaiting decision

  9 Butterfield Road Boreham Chelmsford Essex CM3 3BP

  Single storey rear extension.

  Full applications
• 26/01418/FUL Awaiting decision

  7 Edward Drive Chelmsford Essex CM2 9ER

  Single storey side extension and loft conversion with rear dormer, front facing roof light and second floor side window.

  Full applications
• 26/01317/FUL Awaiting decision

  50 Wilfred Waterman Drive Chelmsford Garden Community Chelmsford CM1 6AZ

  Installation of 26 solar panels

  Full applications
• 26/01330/FUL Awaiting decision

  Unit 2 19 Queen Elizabeth Ii Square South Woodham Ferrers Chelmsford Essex CM3 5TD

  Removal of existing home shopping lockers, creating 2No. New Click and Collect Bays.

  Full applications