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41 Sixth Avenue Chelmsford Essex CM1 4ED

26/01290/CLOPUDRefused

Refused on 16 October 2026

1 reason for refusal

Approximate location: the centre of the postcode, not the exact property.

Proposal

Single storey rear extension plus alteration of window opening to ground floor bathroom

Received
21 September 2026
Public comments
0 · last counted 6 November 2026
  1. Received21 Sep
  2. Validated21 Sep
  3. Consult.
  4. Target
  5. Decided16 Oct

Decided in 25 days

About this application

This is a planning application for a single storey rear extension at 41 Sixth Avenue Chelmsford Essex CM1 4ED. Chelmsford has handled 5,270 applications of this type. This one was decided in 25 days, 3 weeks quicker than Chelmsford's typical decision time. There has been 1 other application at this address. We hold 978 applications in total for the CM1 postcode area.

Why it was refused

  1. FIRST SCHEDULE Single storey rear extension plus alteration of window opening to ground floor bathroom Reason 1 Under Article 3, Schedule 2, Part 1, Class A.1(f)(i) of The Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended), the enlarged part of the dwelling must not extend beyond the rear wall of the original dwellinghouse by more than 3 metres. The proposed single storey rear extension, as indicated on drawing no. A2833 / 201 A, would extend beyond the rear wall of the original dwellinghouse by approximately 5.8 metres and therefore exceeds this criterion. Consequently, the proposal does not fall within the scope of Class A permitted development, and a specific grant of planning permission is required.

From the council's decision notice.

Application details

Postcode
CM1 4ED

Planning application dates

Date validated
21 September 2026

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations at the address point. Ones next to the site may also apply.

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

Possibly incomplete for this council: tree preservation orders.

Also checked, none recorded (23)

flood storage areas, conservation areas, listed buildings, Article 4 directions, 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. 2026
    21 Oct

    Proposed single storey rear extension to the dwellinghouse, extending 5.8 metres beyond the rear wall of the…

    PendingApplicationRelated26/00035/HHPA
  2. 2026
    21 Sep

    Single storey rear extension plus alteration of window opening to ground floor bathroom

    This applicationRefusedApplication26/01290/CLOPUD

Source: Chelmsford

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