66A Sebastian Avenue Shenfield Essex CM15 8PP

1. 27 Jan 2025

   Received by Brentwood

2. 2 May 2025

   Decision issued: Application Permitted

3. 30 Aug 2026

   Added to PlanIndex

Brentwood granted permission on 2 May 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.

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

• 57 Kilworth Avenue Shenfield Essex CM15 8PT

  26/00988/HHA Submitted 28 Aug 2026 50 yards away

  87% historically approved · decision due ~23 Oct

  Raise ridge to create two storey dwelling with rear extensions, pergola and layout drive

  Awaiting decision Householder Extension 8 docs
  Domestic

• 53 Kilworth Avenue Shenfield Essex CM15 8PT

  26/00166/HHA Submitted 4 Mar 2026 50 yards away

  Enlargement of existing dwelling comprising side extension at first floor level, two storey rear extension with single storey rear projection, raising and extending of existing hipped roof to accommodate en-suite bedroom in newly formed roofspace, formation of 2 no. rear dormers, provision of 3 no. front roof lights and 1 no. rear roof light, new front porch (open), changes to existing fenestration and new external materials treatment.

  Granted Householder Extension Loft or dormer +1 10 docs
  Small domestic

• 76 Sebastian Avenue Shenfield Brentwood Essex CM15 8PP

  23/00009/HHA Submitted 10 Jan 2023 50 yards away

  Demolition of existing garage and chimneys. Raise height of ridge to include dormer window to rear and rooflights to sides to create second floor. Construction of part two storey part single storey side and rear extensions, single storey front extension to create new porch and alterations to fenestration. Construction of detached single storey outbuilding to rear.

  Granted Householder Extension Loft or dormer +2 9 docs
  Small domestic

• 63 Sebastian Avenue Shenfield Brentwood Essex CM15 8PW

  22/01727/HHA Submitted 13 Dec 2022 100 yards away

  Construction of entrance canopy to replace previous ground floor extension. Demolition of existing conservatory and construction of single storey rear extensions. Roof and fenestration alterations.

  Granted Householder Extension Demolition +1 8 docs
  Small domestic

• 63 Sebastian Avenue Shenfield Brentwood Essex CM15 8PW

  23/00428/HHA Submitted 6 Apr 2023 100 yards away

  Construction of entrance canopy to replace previous ground floor extension. Demolition of existing conservatory and construction of single storey flat roof rear extensions. Roof and fenestration alterations. Design revised from previous permission 22/01727/HHA

  Granted Householder Extension Demolition +1 8 docs
  Small domestic

• 61 Sebastian Avenue Shenfield Brentwood Essex CM15 8PW

  21/00342/NON/1 Submitted 15 Aug 2023 100 yards away

  Non material amendment to application 21/00342/HHA (Construction of single storey rear extension to include roof lantern.) to allow for alterations to door and window openings on single storey rear extension.

  Granted Amendments Extension Windows or glazing 7 docs
  Small domestic

• 26/00843/HHA Awaiting decision

  Greenwoods 68 Selwood Road Brentwood Essex CM14 4QA

  Demolition of existing single storey garage and construction of a part single and part two storey side and rear extension. The existing house roof is to be removed and a new roof created to cover the existing house and the new extensions. The new roof is to contain a second floor room and will include a rear dormer and 3 rooflights to front elevation.

  Received 8 Sep, published by the council 10 Sep 2026 Householder
• 26/01011/HHA Awaiting decision

  Harrington House 24 Worrin Road Shenfield Essex CM15 8DE

  Add hipped roof to front bay window

  Received 3 Sep, published by the council 11 Oct 2026 Householder
• 26/00988/HHA Awaiting decision

  57 Kilworth Avenue Shenfield Essex CM15 8PT

  Raise ridge to create two storey dwelling with rear extensions, pergola and layout drive

  Received 28 Aug, published by the council 11 Oct 2026 Householder
• 26/00986/HHA Awaiting decision

  66 Avenue Road Ingatestone Essex CM4 9HB

  Part single part two storey rear extension, part conversion of garage to habitable accommodation, apply render finish to dwelling, add AC unit to side

  Received 27 Aug, published by the council 11 Oct 2026 Householder
• 26/00980/HHA Awaiting decision

  7 Weald Road Brentwood Essex CM14 4SX

  Remove porch and construct part single part two storey front extension

  Received 26 Aug, published by the council 11 Oct 2026 Householder