Borough Report
Islington
218 determined applications · 2023–2025
Headline findings
29%
Refusal rate
Below-average refusal rate in inner London
Verified
412
Applications analysed
Every small-site application (1–9 units) in the analysis window
Verified
Key findings
Verified
28.9% refusal rate — 155 of 218 applications approved
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Islington is below the London average despite being one of the most constrained inner boroughs.
Verified
39.6% of approved schemes compressed
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Nearly 4 in 10 approved schemes lose units. Significant impact on yield assumptions.
Indicative
AH contribution applies from 1 unit (small sites)
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Like Hackney, Islington requires contributions on all schemes. The sliding scale starts low but adds up.
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.