Recent planning decisions in Chelmsford
Data last updated February 2026. We’re working on a refresh.
7 months ago
Single storey rear extension
Approved
7 months ago
Extension of close boarded fence
Approved
7 months ago
Conversion of a rural outbuilding to form a single dwelling with new bike store.
Approved
7 months ago
Change of use from a single residential dwelling house (Use Class C3) to a resid
Refused
7 months ago
Rear dormer with associated loft conversion and fenestration alterations.
Approved
7 months ago
Part single, part two storey rear extension. New front porch. Alterations to fen
Approved
7 months ago
Proposed Garden Outbuilding
Approved
7 months ago
Erection of a detached garage
Approved
Show 5 more recent decisions
Planning outcomes aren’t random. Every council has patterns — approval rates vary by ward and project type. See the pattern near your postcode.
Before you spend £5,000+ on architects and drawings
Know before you apply
The 20 closest planning decisions to your address
Ward-level approval rates and trends
Refusal patterns and key factors
Extension-by-extension approval patterns
Get the full PlanningLens report
About this data
This page analyses 385 planning decisions made by Chelmsford, from November 2025 to February 2026. Data is sourced directly from the council’s planning portal. For the full approval rate breakdown, ward-level analysis, and extension-type approval patterns, see the Chelmsford planning approval rates page.