Lease Extension Calculator

Lease Extension Calculator beta

Rough statutory estimate from minimal inputs. For guidance only.

Estimated market value (£)

Assumed value on a long lease (peppercorn). If unsure, use your best estimate.

Unexpired lease term (years)

If < 80 years, marriage value is applied.

Annual ground rent (£/yr)

Results update instantly after you click Calculate (or change a number).

Advanced (optional)

Deferment rate (%)

Present value of reversion (default 5%).

Ground rent cap rate (%)

Capitalisation rate for ground rent (default 7%).

Lease Extension Enquiry Form

Please complete the fields as accurately as possible in order to receive a FREE initial estimate of your lease extension premium from one of our friendly experts. We can also offer you a complete valuation, negotiation and legal representation in tandem with our associated law firm. We will provide you with a global estimate to include all of the professional costs that are payable in addition to the premium itself so you can move forward with confidence.

Alternatively, feel free to call us directly to discuss your case on:
44 (0)20 7373 7373

Looking for a packaged lease extension service?

At extension.lease we make the lease extension process simple, stress-free, and fully managed from start to finish.