Data-backed planning intelligence · 3,780,000+ decisions analysed across England

Most Common Planning Applications in Isle of Wight

Not all planning applications are created equal. The gap between the highest and lowest approval project type in Isle of Wight is 31.4% — that's the difference between near-certainty and a coin flip. What you build matters as much as where you build it.

14,720 real decisions·16 project types·Updated August 2026
96.8%
Safest: Wraparound Extension
65.4%
Lowest: HMO
31.4%
Spread
16
Types ranked

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All 16 project types ranked

#TypeDecisionsApprovedRefusedRate
1Wraparound Extension93903
96.8%
2Conservatory67263042
93.8%
3Side Extension77571857
92.6%
4Rear Extension1,4421,329113
92.2%
5Front Extension99909
90.9%
6Outbuilding80572679
90.2%
7Loft Conversion17115120
88.3%
8Dormer46440955
88.1%
9Extension (General)1,3251,161164
87.6%
10Annex18015624
86.7%
11Garage / Parking2,1581,808350
83.8%
12Change of Use (Residential)595493102
82.9%
13Basement766214
81.6%
14New Build524012
76.9%
15Flat Conversion443311
75.0%
16HMO26179
65.4%
See how this applies to your postcode →

These are council averages. Your property is specific.

A wraparound extension application has a 96.8% approval rate. HMO? Just 65.4%.
Check your postcode to see what actually happens near your address.

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What the data tells us

1
The range is massive: 65.4% to 96.8%. 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

1,718 planning applications in Isle of Wight 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 Isle of Wight planning data

Nearby councils project type rankings

Methodology: Classifies 14,720 decisions in Isle of Wight 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 Isle of Wight Council's public planning portal, January 2020 to August 2026. Full methodology →
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