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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 29.9% — that's the difference between near-certainty and a coin flip. What you build matters as much as where you build it.

14,505 real decisions·16 project types·Updated June 2026
96.6%
Safest: Wraparound Extension
66.7%
Lowest: HMO
29.9%
Spread
16
Types ranked

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All 16 project types ranked

#TypeDecisionsApprovedRefusedRate
1Wraparound Extension89863
96.6%
2Conservatory66362142
93.7%
3Side Extension76370657
92.5%
4Rear Extension1,4191,307112
92.1%
5Front Extension99909
90.9%
6Outbuilding78270478
90.0%
7Loft Conversion17015020
88.2%
8Dormer45239854
88.1%
9Extension (General)1,3131,150163
87.6%
10Annex17815424
86.5%
11Garage / Parking2,1231,776347
83.7%
12Change of Use (Residential)582480102
82.5%
13Basement756114
81.3%
14New Build513912
76.5%
15Flat Conversion443311
75.0%
16HMO24168
66.7%
See how this applies to your postcode →

These are council averages. Your property is specific.

A wraparound extension application has a 96.6% approval rate. HMO? Just 66.7%.
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: 66.7% 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

1,697 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 14,505 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 present. Full methodology →
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