Borough Report
Hillingdon
347 determined applications · 2023–2025
Headline findings
49%
Refusal rate
Near coin-flip refusal rate
Verified
419
Applications analysed
Every small-site application (1–9 units) in the analysis window
Verified
Key findings
Verified
49.3% refusal rate — 171 of 347 decided applications refused
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Almost exactly 50:50 odds. The report identifies what separates approvals from refusals.
Verified
33.3% of approved schemes compressed
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A third of approved schemes lose units. Material impact on residual land value.
Indicative
31 conservation areas plus 15 ASLCs
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Extensive heritage and landscape constraints. Site selection must account for these overlays.
What you get
The full report
- 40–55 page report (HTML & PDF) with evidence-graded findings
- Density matrix by site type with P20–P75 ranges
- PTAL-adjusted density lookup table
- Viability model with cliff chart and sensitivity analysis
- Area-level approval rate benchmarks
- Refusal reason analysis with frequency data
- Conservation area risk assessment
Decision tools
- Before-you-bid checklist: site-level due diligence prompts
- Before-you-submit checklist: application quality checks
- Underlying data in Excel for your own analysis
- Market Liquidity analysis (speed-of-sale data)
Methodology
- Complete dataset, not a sample — every determined application
- Four evidence tiers: Verified, Moderate, Indicative, Anecdotal
- Statistical tests with sample sizes and significance levels
Get the report
Borough Intelligence Reports from £1,500. Includes 12 months of free quarterly updates.
View pricing →Reports delivered via the members’ platform. Includes HTML & PDF report, Excel data, and Market Snapshot.
Want to see the data before you buy?
Download the free Market Snapshot. Key findings, one page, no commitment.