See how your lease extension quote compares with comparable tribunal outcomes before deciding how to proceed.
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Independent · Information only · Not a valuation or legal advice · Full report — £89
A worked example showing how LeaseIntel positions a freeholder's quote against comparable tribunal decisions.
Based on comparable tribunal decisions, this quote appears materially higher than typical outcomes. The benchmark suggests the quoted premium sits above the range commonly observed in comparable tribunal cases.
Find out whether your quote may exceed comparable tribunal outcomes.
Unlock Full Report — £89Our reports are built on the UK's largest analysed datasets of lease extension tribunal decisions. Explore the research behind LeaseIntel.
Independent analysis of thousands of tribunal decisions, revealing national trends in premiums and outcomes.
Read reportMedian premiums are 3.5× higher below 80 years than above. Analysis of 595 decisions shows the cost of crossing the cliff edge.
Read reportHow much premiums rise per year of delay — and why acting before 80 years is critical.
Read reportThe largest premiums ever determined. Top of the list: £10.2m in Grosvenor Square.
Read reportHow premiums scale from sub-£250k properties to those over £1 million, based on 443 decisions.
Read reportWhich London boroughs produce the highest and lowest tribunal-determined premiums, across 792 decisions.
Read reportOr open the Lease Extension Calculator · Tribunal Database
One structured benchmark with the evidence, ranges and context needed to understand your quote.
A clear position — low, typical or high — against comparable tribunal decisions.
P25–P75 range alongside the median tribunal outcome for cases like yours.
The specific First-tier Tribunal decisions used to build your benchmark.
A transparent indicator of how closely the comparables match your lease.
An easy-to-understand explanation of what the benchmark means and how the comparable cases relate to your property.
A downloadable benchmark report for your records or to discuss with professional advisers.
LeaseIntel benchmarks are built using factors including lease length, property value, ground rent and location to identify the most relevant tribunal decisions for comparison.
Remaining lease term is one of the strongest drivers of lease extension premiums.
Comparable cases are matched against properties of similar value.
Ground rent terms can materially affect tribunal outcomes and premiums.
Regional market differences are factored into the benchmark.
From quote to benchmark in under a minute.
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LeaseIntel identifies comparable First-tier Tribunal decisions.
Understand where your quote sits relative to typical outcomes.
Every benchmark is built from First-tier Tribunal decisions — reasoned, published rulings from independent panels. Not opinions, not freeholder positions, not estimates. Real outcomes from the closest thing leasehold has to an objective market.
Every report cites the comparable cases used, the variables matched, and the confidence level. The methodology is documented, the data is public, and unusual properties are flagged with wider ranges rather than falsely precise numbers.
Questions on accuracy, methodology and the difference between intelligence and advice.
View methodologyGuides and explainers to help you understand lease extension premiums, tribunal outcomes, and your options.
Learn how to assess whether your freeholder's quote is within the range typically seen in comparable tribunal decisions.
Read the GuideUnderstand the main factors that affect lease extension premiums and why costs can vary significantly between properties.
Read the GuideLearn what marriage value is, when it applies, and why it can have a significant impact on your lease extension premium.
Read the GuideA practical guide to Section 42 notices, what they do, and what happens after one is served.
Read the GuideWhat the freeholder's Section 45 Counter Notice contains, when it must be served, and what happens if you disagree.
Read the GuideHow long a lease extension typically takes, the key stages involved and what can cause delays.
Read the GuideWhy 80 years is the critical threshold and how falling below it changes the cost of extending your lease.
Read the GuideEstimate a lease extension premium using a simple calculator based on lease length, property value and ground rent.
Read the GuideLease extension premiums often range from £20,000–£100,000. A benchmark takes less than a minute.
Full report — £89