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Lease Extension Calculator

Lease Extension Calculator

Protect your investment – Leases below 85-80 years will make it difficult for you to sell or even arrange a remortgage. 

It is VITAL your lease doesn’t fall below 80 years, the costs to extend increase dramatically.

UK housing

Hurry! Save money on your Lease before it gets too expensive.

As soon as you serve your Section 42 Notice the clock stops and your lease length is fixed to that date. 

We work with your lawyer, or we can introduce you to expert solicitors to serve the legal papers. Contact us for a free initial consultation. 

If you would like a rough idea of the lease extension premium, try our free calculator above!

UK housing

Your lease is a depreciating asset. It is imperative that you extend your lease before it falls below 80 years, otherwise the cost to do so will increase exponentially.

Find out more about The lease extensions Journey.

Try our free lease extension calculator

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Lease Extension Calculator

Rough Lease Extensions Extimate Only

This lease extension calculator is intended to give you the user a rough estimate for the premium payable for a 90 year lease extension under the terms of the Leasehold Reform, Housing and Urban Development Act 1993. Law and values used within the calculation are prone ta change, which will affect the figure given.

The calculator does not take into account rising ground rents. Under no circumstances should the figure be relied upon and no further action should be taken without professional advice.

It does not take into account any other costs, including valuation and legal fees that are payable by a leascholder under the terms of the Act.

The figure reported should not be used to serve notice or a counter notice nor should it be used at any tribunal or court proceeding.

Arnold & Baldwin accept no liability or responsibility to any person or organisation relying upon the information contained within this Website.

020 8642 2999

surveyors@arnoldandbaldwin.co.uk

UK housing

Unsure about the Lease Extension Process?

If you are still unsure about the lease extension process then please read this article.

Alternatively, please call our honest, approachable experts who will be more than happy to give you advice 020 8642 2999

Don’t take our word for it, see what our clients have to say

We've helped over 6,500 property buyers make informed decisions with confidence in the last year. Read what they have to say about their experience with Arnold & Baldwin.

Excellent customer service

Excellent customer service. Survey completed quickly & was incredibly detailed. Very helpful for me when following up on issues flagged.

Melanie

July 2025

Great company

The report was very detailed and he answered all my extra questions afterwards, too. Would go with them again and would highly recommend them to anyone!

Clara Blamberger

October 2025

Really reasonable price

Excellent service, really pleased with the level 2 survey report which was detailed and had really clear photos. We also used the drone option which took clear photos of the roof areas which was useful.

Leon Fortt

September 2025

Excellent service

I would highly recommend Arnold and Baldwin to anyone needing a home survey—I’ve already recommended them to my friends.

E E Class

May 2025

Took the stress away

Impressive service and very detailed survey; very knowledgeable and clear communication.

John Jagoe

October 2025

Highly recommend

Great company! Two friends recommended them to me and I'll recommend them to others. They were prompt with setting up the survey, their comprehensive report was delivered when promised.

Delia Williams-Falokun

August 2025

Honest, Approachable Experts

Book today

Want to know more or get a quote? Fill out the short form below and we'll be in touch soon.

020 8642 2999

surveyors@arnoldandbaldwin.co.uk