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Planning Permission in Chelmsford: 85.7% Approval Rate

Chelmsford Council approves 85.7% of planning applications, based on 505 real decisions analysed from the council’s public planning portal. The national average across all councils tracked by PlanningLens is 87.9%. Chelmsford sits 2.2 percentage points below the national average.

505 decisions analysed·Updated April 2026·Every result links to the original council record
85.7%
Approval rate
505
Decisions
433
Approved
72
Refused
Postcodes served by Chelmsford: CM1, CM2, CM3

How Does Chelmsford Decide Applications?

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Approval Rates by Application Type in Chelmsford

Not all applications are treated equally. Extension types, listed building consent, and change of use applications each have very different success rates in Chelmsford.

Application TypeApprovedRefusedTotalRate
Other43372505
85.7%
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These are averages. Your property is specific.

A loft conversion in one ward can have a 90% approval rate. In the next ward, 55%. The free check tells you which side you're on.

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Planning Approval Rates by Ward in Chelmsford

Ward-level data reveals where planning applications are most and least likely to succeed. Officers, local policies, and neighbourhood character all play a role.

WardApprovedRefusedTotalRate
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Recent Planning Decisions in Chelmsford

Real residential planning decisions from Chelmsford council. Each reference links to the council's own planning portal so you can verify the details yourself.

ReferenceProposalDecision
26/00012/FUL
Single storey rear extensionApproved
25/01679/FUL
Extension of close boarded fenceApproved
25/01570/FUL
Conversion of a rural outbuilding to form a single dwelling with new bike store.Approved
25/01433/FUL
Change of use from a single residential dwelling house (Use Class C3) to a residRefused
26/00056/FUL
Rear dormer with associated loft conversion and fenestration alterations.Approved
26/00026/FUL
Part single, part two storey rear extension. New front porch. Alterations to fenApproved
26/00014/FUL
Proposed Garden OutbuildingApproved
26/00004/FUL
Erection of a detached garageApproved
25/01744/FUL
Removal of existing rear conservatory and garage to facilitate the formation of Approved
25/01581/FUL
Demolition of existing dwelling, garage, annex, and outbuildings and erection ofApproved

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Planning Data for Nearby Councils

Compare Chelmsford's planning approval rates with neighbouring areas:

Explore Chelmsford's Planning Data

Dig deeper into Chelmsford's planning statistics — by ward, extension type, or project category:

Planning Guides

Data-driven guides to help you understand planning approval patterns:

Frequently Asked Questions: Planning in Chelmsford

What is the planning approval rate in Chelmsford?

Based on 505 planning decisions, the overall approval rate in Chelmsford is 85.7%. The national average across councils tracked by PlanningLens is 87.9%. However, rates vary significantly by ward and application type.

How many planning applications have been decided in Chelmsford?

PlanningLens has analysed 505 planning decisions from Chelmsford council. 433 were approved and 72 were refused. These figures cover decisions from January 2020 to the present.

How are planning applications decided in Chelmsford?

The average approval rate in Chelmsford is 85.7%, but outcomes depend heavily on your specific ward, the type of extension or development you are proposing, and local planning policy. Use the PlanningLens free postcode check to get a personalised score.

About Chelmsford Planning Data: This analysis draws on 505 planning decisions published by Chelmsford council. Every application is classified as approved or refused based on the council's own decision wording. Withdrawn applications and procedural outcomes are excluded. Approval rates vary between wards, application types, and time periods. For full details on how we collect and analyse data, see our methodology →
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