Data-backed planning intelligence · 3,290,000+ decisions analysed across England

Most Common Planning Applications in Surrey Heath

Not all planning applications are created equal. The gap between the highest and lowest approval project type in Surrey Heath is 20.4% — that's the difference between near-certainty and a coin flip. What you build matters as much as where you build it.

4,906 real decisions·15 project types·Updated June 2026
100.0%
Safest: HMO
79.6%
Lowest: Loft Conversion
20.4%
Spread
15
Types ranked

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All 15 project types ranked

#TypeDecisionsApprovedRefusedRate
1HMO29290
100.0%
2Basement28271
96.4%
3Conservatory38535035
90.9%
4Wraparound Extension20017921
89.5%
5Rear Extension1,3691,221148
89.2%
6Annex36324
88.9%
7Garage / Parking1,025910115
88.8%
8Side Extension1,046925121
88.4%
9Front Extension42837652
87.9%
10Outbuilding19917425
87.4%
11Extension (General)18716324
87.2%
12Change of Use (Residential)16914722
87.0%
13New Build35129655
84.3%
14Dormer24619749
80.1%
15Loft Conversion544311
79.6%
See how this applies to your postcode →

These are council averages. Your property is specific.

A hmo application has a 100.0% approval rate. Loft Conversion? Just 79.6%.
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What the data tells us

1
The range is massive: 79.6% to 100.0%. 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

478 planning applications in Surrey Heath 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 Surrey Heath planning data

Methodology: Classifies 4,906 decisions in Surrey Heath 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 Surrey Heath Council's public planning portal, January 2020 to present. Full methodology →
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