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Planning application

90 Sebastian Avenue Shenfield Essex CM15 8PP

Refused Brentwood 26/00450/S192 Certificate of Lawfulness (proposed)

Works: Loft or dormer

Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.

Proposal

Application for a Lawful Development Certificate for a proposed use or development to reconfigure existing roof pitch to a proposed flat roof rear dormer with juliette balcony and 3 x roof lights to front elevation

As published by the council, reference 26/00450/S192

Application record

Reference
26/00450/S192
Type
Certificate of Lawfulness (proposed)
Status
Decided
Decision
Not Lawful
Received
29 Apr 2026
Validated
29 Apr 2026
Decided
2 Jul 2026
Ward
Shenfield
Decision by
Delegated Decision COND S191/S192
Postcode
CM15 8PP

Site history

Applications at this address on the Brentwood register

This site has had 2 applications since 2026: 0 approved, 2 refused.

  • 26/00749/HHA Refused

    90 Sebastian Avenue Shenfield Essex CM15 8PP

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

    Submitted 2 Jul 2026

Timeline

Dates from the published record

  1. 29 Apr 2026

    Received by Brentwood

  2. 2 Jul 2026

    Decision issued: Not Lawful

  3. 23 Jul 2026

    Added to PlanIndex

Cases linked to this one on the register

  • Application: 04/00858/FUL (Approved)

Documents

Plans, drawings, consultee responses and the officer's report

5 documents on file for this application

  • ROOF PLAN Drawing · 30 Apr 2026
  • APPLICATION FORM Application Form · 20 Apr 2026
  • THE LOCATION PLAN Site Plan · 20 Apr 2026
  • 01/90/26 EXISTING ELEVATIONS AND GF, FF PLANS Drawing · 20 Apr 2026
  • 02/90/26 PROPOSED ELEVATIONS AND GF, FF, SF PLAN Drawing · 20 Apr 2026

Trade members open them from here.

Open the documents

What this refusal means

Brentwood refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. More in our guide to what happens after a planning decision.

About lawful development applications

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

Nearby applications

Within 500 metres

  • 89 Sebastian Avenue Shenfield Essex CM15 8PP

    26/00321/S192 Submitted 19 Mar 2026 61m away

    Application for a Lawful Development Certificate for a Proposed Use or Development for a hip to gable roof with rear dormer, together with rooflights on the front roofslope.

    Granted Lawful development Loft or dormer 12 docs

  • 89 Sebastian Avenue Shenfield Essex CM15 8PP

    26/00417/HHA Submitted 9 Apr 2026 61m away

    Single storey rear extension and part conversion of garage to habitable accommodation.

    Granted Householder Extension 12 docs
    Small domestic

  • 87 Sebastian Avenue Shenfield Essex CM15 8PP

    26/00275/HHA Submitted 18 Mar 2026 68m away

    Demolish garage, raise ridge and add part single part two storey, part first floor side and rear extensions, add rear dormer, rooflights, solar panels and front entrance, provision of side garage/store, alterations to fenestration. Construct raised patio, pergola and outbuilding within rear garden (revised application to 25/00982/HHA)

    Granted Householder Extension Loft or dormer +2 22 docs
    Small domestic

  • 89 Sebastian Avenue Shenfield Essex CM15 8PP

    26/00837/HHA Submitted 18 Aug 2026 72m away

    89% historically approved · decision due ~13 Oct

    Extend hipped roof to gable and add rear dormer, construct first floor side and single storey rear extensions

    Awaiting decision Extension Loft or dormer 12 docs
    Small domestic

  • 90 Sebastian Avenue Shenfield Essex CM15 8PP

    26/00749/HHA Submitted 2 Jul 2026 72m away

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

    Refused Loft or dormer Windows or glazing

  • 72 Sebastian Avenue Shenfield Essex CM15 8PP

    24/00726/HHA Submitted 26 Jun 2024 73m 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

In Brentwood

  • 26/00414/S192 Granted

    262 Ongar Road Brentwood Essex CM15 9EA

    Application for a Certificate of Lawfulness for proposed use or development for single storey side and rear extensions.

    11 May 2026 Lawful development
  • 26/00390/S192 Granted

    271 Rayleigh Road Hutton Essex CM13 1PL

    Application for a Lawful Development Certificate for a proposed use or development for demolition of chimney. Proposed hip to gable with rear dormer x2 rooflights and Juliette balcony.

    29 Apr 2026 Lawful development
  • 26/00856/S192 Awaiting decision

    4 Chafford Gardens West Horndon Essex CM13 3NJ

    Application for a lawful Development Certificate for a proposed Use or Development for the construction of rear dormer and three front rooflights

    3 Aug 2026 Lawful development
  • 26/00126/S192 Granted

    189 Rayleigh Road Hutton Essex CM13 1LZ

    Application for a Lawful Development Certificate for a proposed use or development for: Proposed single storey outbuilding at rear of garden

    2 Feb 2026 Lawful development
  • 26/00393/S192 Granted

    76 Hunter Avenue Shenfield Essex CM15 8PG

    Application for a Certificate of Lawfulness for proposed use or development to remove chimney and add a hip to gable extension with one roof light to front and add a rear dormer

    22 Apr 2026 Lawful development