89 Sebastian Avenue Shenfield Essex CM15 8PP

1. 18 Aug 2026

   Validated

   Checked as complete and ready for consideration.

2. 1 Sep 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 13 October 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Brentwood took a median of 77 days over the applications it decided in the last year.

This application is with Brentwood for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.

The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.

This page mirrors an entry on the statutory planning register that Brentwood is required to keep. The published feed for this record does not state which type of application it is, which is common for older entries and for some council systems; the register entry on the council portal will say, alongside the case officer and any consultation dates.

Every planning application follows the same broad path: submission, validation, publicity, then a decision by officers or committee. Our guide to planning application types explains the common types and what each can approve.

• 90 Sebastian Avenue Shenfield Essex CM15 8PP

  26/00749/HHA Submitted 2 Jul 2026 0m away

  89% historically approved · decision due ~27 Aug

  Remove rear pitched roof, remove hip and form gable. Proposed flat roof dormer and roof windows to front elevation.

  Decided Loft or dormer Windows or glazing

• 72 Sebastian Avenue Shenfield Essex CM15 8PP

  24/00726/HHA Submitted 26 Jun 2024 2m away

  Demolish conservatory and add part single, part two storey rear extension with juliette balcony and conversion of garage to habitable accommodation, and construction of single storey bay window to front elevation. Add pitched roof to front, front porch canopy, alterations to fenestration apply cladding and layout rear patio

  Granted Householder Extension Demolition +1 8 docs
  Small domestic

• 83 Sebastian Avenue Shenfield Brentwood Essex CM15 8PP

  23/00200/HHA Submitted 16 Feb 2023 10m away

  Demolition of existing garage, increase in height of ridge to create new floor, construction of two story front and side extension. New open porch with pitched roof. Fenestration and roof alterations.

  Refused Householder Extension Roofing +2 7 docs
  Small domestic

• 83 Sebastian Avenue Shenfield Brentwood Essex CM15 8PP

  22/01444/HHA Submitted 14 Oct 2022 10m away

  Demolition of existing garage, increase in height of ridge to create new floor, construction of part 2 part single storey side/front extension New low level roof to front.

  Refused Householder Extension Demolition 9 docs
  Small domestic

• 83 Sebastian Avenue Shenfield Essex CM15 8PP

  24/00903/HHA Submitted 6 Aug 2024 10m away

  Single storey rear extension and alterations to fenestration

  Granted Householder Extension Windows or glazing 7 docs
  Small domestic

• 85 Sebastian Avenue Shenfield Brentwood Essex CM15 8PP

  22/01506/FUL Submitted 23 Nov 2022 11m away

  Variation of condition 2 of application 22/00180/FUL (Demolition of existing dwelling, construction of new detached dwelling) for the change of external materials on the western elevation bay from brick, render and vertical tiles, to brick.

  Granted Full applications New dwelling Demolition 9 docs
  Domestic