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Lease extension calculator - for flats
If you want to extend the lease on your flat, you'll need to pay a 'premium' (price) to the landlord. To get an idea of how much the price could be for a 90 year extension, use the lease extension calculator.
What can the calculator do?
If a lease has 60 years or more to run, you can use the calculator to get an estimated price for adding 90 years to the lease.
Extending the lease can increase a flat’s value. If your lease has less than 80 years to run, the landlord gets a share of this increase (called the 'marriage value’). The calculator includes this value if it applies.
To get a more accurate price for extending a lease, you'll need a professional to help you.
How to use this service
To use the lease extension calculator you'll need an idea of the:
- current value of your leasehold flat (ie its value as it is at the moment)
- amount of rent (known as ground rent) you pay the landlord each year
- date your lease started or the number of years left on the lease
You can find this information on the lease.
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