31 Thames Avenue Chelmsford Essex CM1 2LN

1. 20 May 2026

   Received by Chelmsford

2. 23 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 15 July 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Chelmsford took a median of 55 days over the applications it decided in the last year.

This application is with Chelmsford for determination, against a statutory target of eight weeks. Over the last year Chelmsford decided full applications in a median of 56 days. More in our guide to how long planning decisions take.

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.

• 5 Thames Avenue Chelmsford Essex CM1 2LN

  20/00759/FUL Submitted 29 May 2020 100 yards away

  Single storey front and side extension and a single storey rear extension

  Granted Full applications Extension 16 docs
  Small domestic

• 5 Thames Avenue Chelmsford CM1 2LN

  18/01919/CLOPUD Submitted 22 Nov 2018 100 yards away

  Single storey rear and side extensions, front porch and hip to gable loft conversion. New outbuilding.

  Split decision Outline Extension Loft or dormer 27 docs
  Small domestic

• 5 Thames Avenue Chelmsford CM1 2LN

  20/00132/FUL Submitted 30 Jan 2020 100 yards away

  Ground floor infill extension on the front elevation.

  Withdrawn Full applications Extension 14 docs

• 5 Thames Avenue Chelmsford Essex CM1 2LN

  20/00041/CLOPUD Submitted 9 Jan 2020 100 yards away

  Construction of an outbuilding.

  Granted Outline 11 docs

• 5 Thames Avenue Chelmsford CM1 2LN

  18/02067/FUL Submitted 19 Dec 2018 100 yards away

  Part two storey, part single storey rear and two storey side extensions. Loft conversion with rear dormer.

  Refused Full applications Extension Loft or dormer 24 docs
  Small domestic

• Land Adjacent 26 Thames Avenue Chelmsford Essex

  26/05070/TPO Submitted 30 Mar 2026 150 yards away

  T1 Lime (4841 on plan) - Crown reduction up to 2.5m to cut back to previous points and to ensure historical reductions are continued as there is history of reductions evident in the tree. This will prevent re-growth weight becoming too much at the previous cut points.

  Granted Trees 5 docs

• 26/01439/FUL Awaiting decision

  Chimera Moor Hall Lane Bicknacre Chelmsford Essex CM3 4ER

  Single storey rear extension

  Full applications
• 26/01433/FUL Awaiting decision

  106 The Street Little Waltham Chelmsford Essex CM3 3NT

  Demolition of existing conservatory and construction of single storey rear extension. Ground source heat pump and battery for electricity storage.

  Full applications
• 26/01374/FUL Awaiting decision

  The Cottage Chignal Road Mashbury Chelmsford Essex CM1 4GP

  Erection of detached workshop and studio

  Full applications
• 26/01428/FUL Awaiting decision

  Westbourne The Causeway Great Baddow CM2 7JX

  Alterations to rear elevations including a new roof and extension of roof overhang.

  Full applications
• 26/01402/FUL Awaiting decision

  74A Brock Hill Runwell Wickford SS11 7NR

  Retrospective planning application for the in filling of an existing man-made pond

  Full applications