CLOSE SEARCH
Our Lease Extension Calculator has been developed by Taylor Rose in conjunction with Chroma Surveyors, applying valuation principles derived from the Leasehold Reform, Housing and Urban Development Act 1993, established tribunal methodology and our own data.
By clicking ‘Email my calculation’, your results will be emailed to you and shared with our team who will reach out to discuss next steps.
A structured estimate based on the current statutory lease extension methodology
Built using recognised 1993 Act valuation principles
Developed in conjunction with experienced specialist surveyors
Designed to produce a commercially realistic premium range in typical cases
A RICS valuation report
A guaranteed premium
Suitable for use in a Section 42 notice
A substitute for professional advice
It provides a benchmark - not a final figure.
For a more detailed explanation of how lease extension premiums are calculated, including statutory rights and procedural steps, please see our dedicated Lease Extension Solicitors service page.
Lease extension premiums follow a defined statutory framework. While precise figures depend on lease-specific and market factors, the core valuation structure remains consistent
Actual premiums may vary somewhat due to:
Lease-specific drafting nuances
Escalating ground rent provisions
Local comparable evidence
Negotiation strategy
A RICS surveyor will analyse these elements in detail before advising on a formal offer.
Lease Extensions are a core part of our residential property practice.
At Taylor Rose:
We handle a significant number of statutory and negotiated Lease Extensions each year
We regularly act for leaseholders across England and Wales
We are experienced in dealing with both private and institutional freeholders
We protect your statutory rights and procedural deadlines
If you would like to discuss your estimated premium or understand your options in more detail, our specialist Lease Extension solicitors are happy to advise.
Contact Taylor Rose to arrange an initial discussion.
We frequently work alongside Chroma Surveyors, who are highly experienced in Lease Extension valuations.
This collaboration ensures:
• Valuation advice aligns with legal strategy
• Negotiations are supported by robust professional evidence
• Clients receive coordinated guidance
• Matters progress efficiently
This Lease Extension calculator provides an indicative estimate only. Values for terms below 20–45 years may be less reliable due to the increased complexity of valuation at shorter terms. For a highly accurate valuation or for terms below your chosen threshold, please consult a qualified valuer.
This calculator does not constitute legal advice, valuation advice or a binding premium figure.
Actual lease extension premiums may be higher or lower depending on specific lease terms, property characteristics, valuation evidence and negotiation.
You should not serve a statutory notice or agree a premium without first obtaining professional advice.
We also have a number of specialist lawyer consultants who may not be featured below. Use the search function below if you want to find other lawyers for this legal service.
It applies statutory valuation principles and professional assumptions developed with Chroma Surveyors. While it remains an estimate, it will generally provide a realistic ballpark premium range in typical cases.
No. A formal valuation from a qualified surveyor is required before serving a statutory notice. Incorrect figures can affect your legal position.
Because marriage value becomes payable once a lease drops below 80 years remaining under current legislation.
Many Lease Extensions are negotiated within the statutory framework after a Section 42 notice is served. The statutory route provides protection and leverage, even if the matter settles without tribunal involvement.
Yes. A surveyor advises on valuation. A solicitor ensures notices are correctly drafted and served, deadlines are protected, and documentation is legally valid.
As the lease term reduces, the premium typically increases. Mortgageability and property value may also be affected as the lease shortens which can make it more difficult to sell.
Call the Taylor Rose team or fill out the form below and we will get back to you as soon as possible.
Telephone opening hours -
9am to 5pm
