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17 Sebastian Avenue Shenfield Essex CM15 8PN

25/00160/NON/1Non Material AmendmentsApproved
Discharge / amendments

Approved on 8 December 2025

Council decision: Application PermittedDelegated (officer decision)

Approximate site (title boundary)
Boundary © HM Land Registry, © Ordnance Survey · details

This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.

Proposal

Non-material amendment to application 25/00160/HHA (Demolish garage and shed, construct single storey side/front extension incorporating garage, relocation of main entrance and construction of front porch canopy, add side dormer and alterations to fenestration) to allow for an addition of a small window to the side elevation, serving the kitchen.

Received
17 November 2025
Decision level
Delegated (officer decision)
Ward
Shenfield
Agent
House Architecture Ltd
  1. Received17 Nov
  2. Validated17 Nov
  3. Consult.
  4. Target15 Dec
  5. Decided8 Dec

Decided in 21 days (council typically 56)

About this application

This is an application to amend a permission at 17 Sebastian Avenue Shenfield Essex CM15 8PN. Brentwood has handled 167 applications of this type. This one was decided in 21 days, 5 weeks quicker than Brentwood's typical decision time. There has been 1 other application at this address. In the past year there have been 152 applications across Shenfield. We hold 783 applications in total for the CM15 postcode area.

89% of amendment applications at Brentwood Borough Council were approved. Across all application types, the council typically decides in about 8 weeks (median).

Based on decided applications received in the last 3 years.Planning something similar? See what gets approved on your street

Application details

Postcode
CM15 8PN
Application type
Non Material Amendments
Scale / size
Small

Planning application dates

Date validated
17 November 2025
Target decision date
15 December 2025

Applicant and agent

Agent
House Architecture Ltd
Agent address
Sparrowhedge House Front Street Ousden Newmarket CB88TW United Kingdom

Planning decision

Statutory period
28 days

Additional information

Planning Portal ID
PP-14494812
Comments
0
Documents
8
Constraints
3

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Flood zone 1: Low probability (rivers and sea)

Not published by this council, so not checked: Article 4 directions and tree preservation orders. Ask the council if these matter.

Also checked, none recorded (22)

flood storage areas, conservation areas, listed buildings, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.

A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.

Data © Crown copyright and others · sources and licences

Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.

© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-11-03. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.

© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.

© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.

Contains Ordnance Survey data © Crown copyright and database right 2026.

Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.

Associated applications

  1. 2025
    17 Nov

    Non-material amendment to application 25/00160/HHA

    This applicationApprovedNon-material amendment25/00160/NON/1
  2. 2025
    12 Feb

    Demolish garage and shed, construct single storey side/front extension incorporating garage, relocation of…

    ApprovedHouseholderPart of25/00160/HHA

Source: Brentwood

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