Research Centre

The UK's largest analysed dataset of lease extension tribunal decisions

12 original research reports built on 6,000+ First-tier Tribunal decisions spanning more than 20 years.

Tribunal Decisions Analysed
6,000+
Research Reports
12
Years Covered
20+
Coverage
England & Wales
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Showing 12 of 12 reports
Featured6,000+ decisions

Lease Extension Statistics 2026

The headline analysis: national trends, median premiums and how tribunal outcomes have shifted over the last decade.

Market TrendsTribunal
6,000+ decisions 9 min read June 2026
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3.5× uplift

The 80-Year Lease Extension Threshold: What Tribunal Data Shows

Median premiums are 3.5× higher below 80 years than above. Analysis of 595 tribunal decisions.

80 YearsMarriage ValueLease Length
595 decisions 3 min read June 2026
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London Borough Analysis

How lease extension premiums vary across London boroughs in tribunal decisions.

LondonTribunalProperty Value
792 decisions 10 min read June 2026
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Marriage Value Explained

What marriage value is, when it applies, and why it drives premiums so sharply below 80 years.

Marriage Value80 Years
Explainer 8 min read May 2026
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Premiums Below 80 Years

What tribunal outcomes show once marriage value becomes payable — with distribution charts across 595 decisions.

80 YearsMarriage ValueLease Length
595 decisions 10 min read May 2026
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+79% at threshold

The Cost of Waiting to Extend Your Lease

How much premiums rise per year of delay — and why the 80-year threshold makes it worse.

Waiting Cost80 YearsLease Length
595 decisions 3 min read May 2026
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Informal vs Statutory Lease Extension

How freeholder offers compare with the statutory route and tribunal outcomes.

TribunalMarket Trends
Comparison analysis 8 min read May 2026
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Cost by Years Remaining

How premiums change as unexpired term falls, band by band.

Lease LengthTribunal80 Years
595 decisions 9 min read April 2026
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595 decisions

Lease Extension Cost by Lease Length

595 decisions grouped by lease length — from under 40 years to over 80.

Lease LengthTribunal
595 decisions 3 min read April 2026
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443 decisions

Lease Extension Cost by Property Value

How premiums scale from sub-£250k properties to those over £1 million.

Property ValueLondonTribunal
443 decisions 3 min read April 2026
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£10.2m top case

The Most Expensive Lease Extension Tribunal Decisions

The largest premiums ever determined. Top of the list: £10.2m in Grosvenor Square.

TribunalLondonProperty Value
1,009 decisions 3 min read March 2026
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£14 smallest

The Cheapest Lease Extension Tribunal Decisions

The smallest premiums on record — and what they reveal about long-lease extensions.

TribunalLease Length
1,009 decisions 3 min read March 2026
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Curated

Research Collections

Grouped reading paths through the dataset.

The 80 Year Rule

Everything the tribunal data shows about the single most important threshold in lease extension law.

Tribunal Decisions

Studies drawn directly from First-tier Tribunal outcomes — the largest, the smallest, and the trends in between.

What Drives Lease Costs

The three core variables — property value, lease length and years remaining — quantified from tribunal data.

London Research

Geographic analysis of how location shapes tribunal outcomes.

Methodology

Every report is built on the same underlying dataset — extracted, standardised and analysed from published First-tier Tribunal (Property Chamber) decisions.

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Research standards

Why trust LeaseIntel Research?

LeaseIntel Research is the dedicated research division of Geoff Money Ltd. Reports are produced from a structured dataset of published First-tier Tribunal (Property Chamber) decisions using a transparent, documented methodology.

  • 6,000+ First-tier Tribunal decisions analysed
  • 20+ years of tribunal data (2005–2025)
  • Original proprietary analysis, produced in-house
  • Transparent, published methodology
  • Independent research division of Geoff Money Ltd
  • Updated regularly as new tribunal decisions are published