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Most Common Planning Applications in Basildon

Not all planning applications are created equal. The gap between the highest and lowest approval project type in Basildon is 15.8% — that's the difference between near-certainty and a coin flip. What you build matters as much as where you build it.

1,446 real decisions·12 project types·Updated June 2026
96.6%
Safest: Conservatory
80.8%
Lowest: Change of Use (Residential)
15.8%
Spread
12
Types ranked

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All 12 project types ranked

#TypeDecisionsApprovedRefusedRate
1Conservatory29281
96.6%
2Hip-to-Gable Conversion21201
95.2%
3Front Extension65605
92.3%
4Rear Extension25022327
89.2%
5Extension (General)80719
88.8%
6Side Extension12110714
88.4%
7Garage / Parking23720334
85.7%
8New Build57489
84.2%
9Dormer12410321
83.1%
10Loft Conversion645311
82.8%
11Outbuilding796415
81.0%
12Change of Use (Residential)786315
80.8%
See how this applies to your postcode →

These are council averages. Your property is specific.

A conservatory application has a 96.6% approval rate. Change of Use (Residential)? Just 80.8%.
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What the data tells us

1
The range is massive: 80.8% to 96.6%. Choosing the right project type — or framing your application correctly — can dramatically affect outcomes.
2
Visibility drives scrutiny. Project types that change the external appearance — dormers, loft conversions, hip-to-gable — face more resistance than those that don't. The more visible your proposal, the more carefully it needs designing.
3
These are council-wide averages. Your ward, your street and your immediate neighbours all shift the odds. The comparable decisions near your property are the best indicator of outcome.

Before you spend £5,000+ on architects and drawings

136 planning applications in Basildon have been refused since 2020. Many of those homeowners had already paid for drawings and application fees. A free, property-specific report shows you what gets approved — and what gets refused — near your property.

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More Basildon planning data

Nearby councils project type rankings

Methodology: Classifies 1,446 decisions in Basildon into residential project types using keyword matching against proposal descriptions (matching generate_site_data.py subtype rules). A single application may appear in multiple categories. Data from Basildon Council's public planning portal, January 2020 to present. Full methodology →
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