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Most Common Planning Applications in Newport

Not all planning applications are created equal. The gap between the highest and lowest approval project type in Newport is 31.0% — that's the difference between near-certainty and a coin flip. What you build matters as much as where you build it.

4,824 real decisions·16 project types·Updated March 2026
93.5%
Safest: Conservatory
62.5%
Lowest: Flat Conversion
31.0%
Spread
16
Types ranked

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All 16 project types ranked

#TypeDecisionsApprovedRefusedRate
1Conservatory18617412
93.5%
2Extension (General)39336330
92.4%
3Rear Extension64357964
90.0%
4Annex38344
89.5%
5New Build39835444
88.9%
6Hip-to-Gable Conversion27243
88.9%
7Outbuilding13211715
88.6%
8Garage / Parking839736103
87.7%
9Side Extension37531263
83.2%
10Loft Conversion897415
83.1%
11Change of Use (Residential)23919247
80.3%
12Wraparound Extension524111
78.8%
13Dormer18013842
76.7%
14Front Extension866224
72.1%
15HMO382612
68.4%
16Flat Conversion24159
62.5%
See how this applies to your postcode →

These are council averages. Your property is specific.

A conservatory application has a 93.5% approval rate. Flat Conversion? Just 62.5%.
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What the data tells us

1
The range is massive: 62.5% to 93.5%. 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

482 planning applications in Newport 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 Newport planning data

Nearby councils project type rankings

Methodology: Classifies 4,824 decisions in Newport 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 Newport Council's public planning portal, January 2020 to present. Full methodology →
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