Planiverse / Authorities / Chelmsford

Planning permission in Chelmsford

In the last 12 months, 89.5% of home project applications were approved in Chelmsford (446 decided): extensions, loft conversions and similar work. A typical home project decision takes about eight weeks (median 53 days).

Across all application types, 87.0% of 6,353 applications decided since February 2023 were approved. Based on Chelmsford's public planning register. Data last updated: 19 May 2026.

7,618Total applications
6,353Decided
87.0%Approval rate (of decided)
5,527 Approved+826 Refused+101 Withdrawn+898 Pending+266 Outcome not determined=7,618 Total
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By Development Category

All applications on record, not only the last 12 months.

CategoryDecidedApprovedRefusedApproval rate
Full planning applications 2,953 2,435 518
82.5%
Protected tree works (TPO) 966 931 35
96.4%
Discharging planning conditions 830 822 8
99.0%
Outline Planning 528 386 142
73.1%
Minor amendment to an approved scheme (S96a) 456 400 56
87.7%
Advertisement Consent 186 157 29
84.4%
Heritage 160 155 5
96.9%
Other 87 79 8
90.8%
Tree works in a conservation area 32 31 1
96.9%
Other 155 131 24 mixed types
Quarterly Trend

The most recent three years. Earlier decisions are included in the totals above but not in this chart.

QuarterDecidedApprovedApproval rate
Q3 2023 261 219
83.9%
Q4 2023 641 526
82.1%
Q1 2024 597 493
82.6%
Q2 2024 559 471
84.3%
Q3 2024 592 519
87.7%
Q4 2024 579 522
90.2%
Q1 2025 568 497
87.5%
Q2 2025 325 296
91.1%
Q3 2025 482 443
91.9%
Q4 2025 534 488
91.4%
Q1 2026 507 439
86.6%
Q2 2026 254 217
85.4%
By Ward

All wards, across all years.

WardDecidedApprovedRefusedApproval rate
No ward data available
Frequently asked questions
What is the planning approval rate in Chelmsford?
In the last 12 months, 89.5% of home project applications (extensions, loft conversions and similar work) were approved in Chelmsford, based on 446 decided applications. Across all application types, 87.0% of 6,353 applications decided since February 2023 were approved.
How long does a planning decision take in Chelmsford?
The median time from submission to decision for home project applications decided in Chelmsford in the last 12 months was 53 days (about eight weeks). Times vary case by case.
Do I need planning permission in Chelmsford?
It depends on the project and the property. Many home projects fall under permitted development rights, but constraints such as conservation areas, listed buildings and Article 4 directions change what needs permission at a specific address. See our guides to permitted development rights and Article 4 directions.
Do I need a planning consultant in Chelmsford?
Many home projects do not need one. A straightforward extension on an unconstrained property is often handled directly with the council, or with an architect or agent preparing the drawings. A consultant is more likely to earn their fee where the site is constrained, the council has refused similar schemes, or an appeal is in prospect. Understanding your property's constraints and the council's recent decisions first makes any conversation with a professional a better-informed one.
Planning guides

Not sure what you can build without planning permission? See our guides to permitted development rights, Article 4 directions and planning costs.

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