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Planning application

20/00035/NMAT/1

143 Mildmay Road Chelmsford Essex CM2 0DT

Granted Chelmsford Amendment

Proposal

Non-material amendment to planning permission 20/00035/FUL - (Construction of a single storey rear extension with a roof window). Change the window for a set of doors.

As published by the council, reference 20/00035/NMAT/1

Timeline

Dates from the published record

  1. 15 May 2020

    Received by Chelmsford

  2. 27 May 2020

    Decision issued: Permitted

  3. 31 Jul 2026

    Added to PlanIndex

What a grant of permission means

The process from here

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

About amendments applications

How this application type works

An amendment application changes a permission that already exists. Non-material amendments cover small adjustments with no wider effect, while minor material amendments, usually made by varying a condition, allow modest design changes without a fresh application. Anything beyond that needs a new permission, so the scope here is deliberately narrow.

More on amendments applications in our guide

Nearby applications

Within 500 metres

  • 20/00035/FUL Granted

    143 Mildmay Road Chelmsford Essex CM2 0DT

    Construction of a single storey rear extension with a roof window.

    8 Jan 2020 1m away Full applications
  • 22/02093/FUL Granted

    131 Mildmay Road Chelmsford Essex CM2 0DT

    Proposed single storey garden outbuilding to be used as a home gym.

    15 Nov 2022 58m away Full applications
  • 26/00571/FUL Granted

    31 Mews Court Chelmsford Essex CM2 9PF

    Garage conversion with front extension & erection of front porch. Alterations to fenestration.

    13 May 2026 82m away Full applications
  • 19/01176/FUL Granted

    153 Mildmay Road Chelmsford Essex CM2 0DU

    Single storey rear and side extension. First floor front and rear extensions and conversion of loft space incorporating velux roof windows.

    5 Jul 2019 83m away Full applications
  • 24/01331/FUL Granted

    6 Lady Lane Chelmsford CM2 0TF

    Porch and single storey side extension. Enclosure of existing first floor balcony and the installation of Juliet balcony. Enlargement of existing door opening at ground floor level on rear elevation.

    23 Sep 2024 100m away Full applications
  • 26/00619/FUL Granted

    72 St Johns Road Chelmsford Essex CM2 0TX

    Part two storey part first floor rear extension and external alterations.

    12 May 2026 122m away Full applications

In Chelmsford

  • 25/00240/S73 Granted

    Land North Of Hilltops Southend Road Sandon Chelmsford Essex

    Variation of condition 4 of approved planning application (25/00240/OUT) Outline application for development of 2 Custom/Self Build dwellings. Access, layout and scale being sought. All other matters (Appearance and landscaping) reserved. Create basement accommodation and increase ridge height.

    13 Jan 2026 Amendments
  • 26/00689/CLEUD Refused

    33 Mill Lane Stock Ingatestone Essex CM4 9RY

    Certificate of lawfulness to regularise an existing outbuilding within residential curtilage

    27 May 2026 Amendments
  • 26/00389/NMAT/1 Granted

    4 Boarded Well Cottages Woodhill Road Danbury Chelmsford Essex CM3 4EB

    Non-material amendment to planning application - 26/00389/FUL (Single storey rear extension. Minor alteration to rear first floor fenestration) New window in the rear first floor bedroom.

    25 Jun 2026 Amendments
  • 25/01172/NMAT/1 Granted

    Dinahs Cottage Ford End Road Pleshey Chelmsford Essex CM3 1JB

    Non-material amendment to planning permission - 25/01172/FUL (Demolition of existing contaminated barn and conservatory and erection of replacement with restoration of the land) Minor extension, fenestration and internal layout alterations.

    23 Jun 2026 Amendments
  • 25/00960/NMAT/1 Granted

    Poundstretcher 29A High Chelmer Chelmsford Essex CM1 1XR

    Non-material amendment to 25/00960/FUL (Installation of Plant Deck and Equipment) Alternative roof plant equipment to the original specification, which achieves the same or lower Noise Impact dB(A) levels.

    22 Jun 2026 Amendments