Thinking about extending your lease but unsure what it might cost?

If you've been searching for a lease extension calculator, you're probably trying to understand how much it might cost to extend your lease.

An online lease extension calculator or lease extension cost calculator can provide a useful starting point for budgeting purposes. However, the true cost of a lease extension depends on several factors including the property's value with both its current lease length and after extension, ground rent, lease length and whether marriage value applies.

In this guide, I'll explain how lease extension costs are calculated, what information you'll need and why professional valuation advice remains essential.

I spend a lot of time speaking to leaseholders who feel overwhelmed by the language and unsure where to start.

In this video, I break down lease extensions in plain English and explain the parts that actually matter without the legal jargon overload.