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First And Second Floor 15 Duke Street Chelmsford Essex CM1 1HL

25/01369/FULFullApproved

Approved on 19 December 2025

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

Change of use of first and second floor from Commerical Offices (Class E(g)(i)) to one-bedroom, two-person duplex apartment(Class C3) with an acillary study. Formation of recessed entrance lobby accommodating independent entrances to the ground floor commercial unit and new dwelling above.

Received
6 October 2025
  1. Received6 Oct
  2. Validated
  3. Consult.1 Dec
  4. Target1 Dec
  5. Decided19 Dec

Decided in 74 days (council typically 49)

About this application

This is a full planning application for a change of use at First And Second Floor 15 Duke Street Chelmsford Essex CM1 1HL. Chelmsford has handled 1,088 applications of this type. This one was decided in 74 days, 4 weeks longer than Chelmsford's typical decision time. The site is in the Chelmsford Central conservation area, with 11 listed buildings nearby. There has been 1 other application at this address. We hold 978 applications in total for the CM1 postcode area.

85% of full applications at Chelmsford City Council were approved. Across all application types, the council typically decides in about 7 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
CM1 1HL
Application type
Full
Scale / size
Small

Planning application dates

Validated
6 October 2025
Consultation expiry
1 December 2025
Consultation end
1 December 2025
Target decision date
1 December 2025

Planning decision

Statutory period
56 days

Additional information

Planning Portal ID
PP-14354181
Documents
14

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Chelmsford Central Conservation Area
  • Listed building: Grade II: 14-16, Duke StreetOn this site · +1 more
  • Brownfield land register: First and Second Floor 15 Duke Street ChelmsfordRegister site at or near this address · +1 more
  • Flood zone 1: Low probability (rivers and sea)

Possibly incomplete for this council: tree preservation orders.

Also checked, none recorded (20)

flood storage areas, 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 and heritage coasts.

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
    23 Mar

    Condition 3 - Large scale drawing, Condition 4 - Surface Materials, Condition 5 - details of upgrading to the…

    ApprovedDischarge of conditions25/01369/DOC/1
  2. 2025
    6 Oct

    Change of use of first and second floor from Commerical Offices (Class E(g)(i)) to one-bedroom, two-person…

    This applicationApprovedFull25/01369/FUL

Source: Chelmsford

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