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Most Common Planning Applications in Solihull

Not all planning applications are created equal. The gap between the highest and lowest approval project type in Solihull is 15.3% — that's the difference between near-certainty and a coin flip. What you build matters as much as where you build it.

4,406 real decisions·14 project types·Updated March 2026
96.9%
Safest: Front Extension
81.6%
Lowest: Change of Use (Residential)
15.3%
Spread
14
Types ranked

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All 14 project types ranked

#TypeDecisionsApprovedRefusedRate
1Front Extension2902819
96.9%
2Side Extension75172625
96.7%
3Extension (General)46744819
95.9%
4Wraparound Extension1301246
95.4%
5Dormer23522312
94.9%
6Loft Conversion18617610
94.6%
7Conservatory1641559
94.5%
8Hip-to-Gable Conversion30282
93.3%
9Rear Extension1,2791,19287
93.2%
10Garage / Parking77371855
92.9%
11Outbuilding17616214
92.0%
12Annex37325
86.5%
13New Build12210220
83.6%
14Change of Use (Residential)15212428
81.6%
See how this applies to your postcode →

These are council averages. Your property is specific.

A front extension application has a 96.9% approval rate. Change of Use (Residential)? Just 81.6%.
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What the data tells us

1
The range is massive: 81.6% to 96.9%. 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

312 planning applications in Solihull have been refused since 2020. Many of those homeowners had already paid for drawings and application fees. A £79 report shows you what gets approved — and what gets refused — near your property.

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More Solihull planning data

Nearby councils project type rankings

Methodology: Classifies 4,406 decisions in Solihull 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 Solihull Council's public planning portal, January 2020 to present. Full methodology →
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