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FAQs on Lease Extension

24 questions
How can I extend my lease?

There are two ways to extend your lease. You can take a formal route, which gives you more protection, or an informal route, which could save you time and money. 

It is worth starting with the informal route and switching to the formal one if you need to. 

Informal route 

Under this route, you can ask the freeholder whether they are interested in negotiating a lease extension. There is no obligation for them to respond or to agree to extend the lease.  

If the freeholder does agree, then you can negotiate. But if you then cannot agree on the price or terms, and you meet the conditions, you can change to the formal route and go to the tribunal. 

Formal route 

If you own your flat, you can extend your lease by law if you meet certain conditions: 

  • it must be a ‘long lease’ – a lease with an original term of more than 21 years when it was first granted 
  • your landlord is not a charity providing a flat for you as part of their work 
  • it is not a business or commercial lease 

Under this route, you and the freeholder need to follow a procedure and timescales set out by law. It can be complicated, and we do recommend you appoint a valuer and a solicitor to assist you. 

In brief, you serve a formal notice on your landlord outlining your claim and your terms. The landlord may ask you for evidence or request that you pay a deposit before submitting a reply, called a ‘counter-notice’. They may: 

  • admit your claim and agree to your terms 
  • admit your claim and propose new terms – if you cannot agree on terms after 2 months you can apply to the tribunal to decide 
  • not admit your claim – you apply to the county court to renew the lease 
  • refuse to grant a new lease because they can prove they are redeveloping the building and the lease has less than 5 years to run 
  • not reply – you can apply to the county court to renew the lease  

Get help 

Lease extension can be a difficult process. We recommend you get professional help from a solicitor and surveyor with experience in this area. 

Template letter for the informal route 


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Should I wait to extend my lease? I have heard that planned changes could make lease extension cheaper.

This is a difficult question to answer and depends on your personal circumstances.  

The Act is not in effect and the new Government has indicated that it wants to implement the Act quickly. But the reforms will be implemented in stages and will require further consultation and secondary legislation. So it’s worth noting that reform is still some time off. Changes to the lease extension process may not be realised until 2025/26. 

If you are a leaseholder considering whether to extend your lease or purchase your freehold now or to wait, you need to consider: 

Will the reform make a lease extension cheaper for me?

If your lease is below 80 years, or if you have a ground rent above 0.1% of the value of your property, it will likely be cheaper. That’s because the reforms were designed to help people who have short leases below 80 years, by abolishing marriage value. It also helps people with high ground rents, by capping ground rents in the lease extension calculation – although the cap doesn’t apply in all cases.  

Could the reform make a lease extension more expensive?

The aim of the legislation is to make it easier and cheaper for leaseholders to extend their lease or collectively buy out the freehold of their building. The abolition of marriage value and the removal of the requirement to pay the freeholders’ costs will make the process cheaper for many. However we cannot say for certain that all leaseholders will be better off at this stage. 

This is because the Act doesn’t specify the rates that will be used to determine lease extension and freehold purchase prices. These “deferment and capitalisation rates” will be set at a later date and if they’re set at a lower rate than what is currently agreed between valuers, the cost of lease extensions could go up.  

Until those rates are set, we won’t know whether the cost of lease extensions will come down for all leaseholders. If your lease is above 80 years or you have a low ground rent, the reforms could end up making a lease extension more expensive – though that is not the intention. 

Can I wait for the reforms to be implemented?

Given the above, it is hard to give a definitive answer on whether you should extend your lease now. You should seek advice from a leasehold practitioner via the Law Society  or ALEP.   

If your lease is already below 80 years or you have a high ground rent, you will most likely be better off waiting for the law to change before extending. The removal of marriage value and the cap on ground rent used to calculate a lease premium will be of benefit.  

Practitioners believe that for some leaseholders it is prudent to consider extending a lease now and not waiting for the reforms. This is especially if you need to sell in the next year or so or if you have 80 to 82 years left on the lease.  

Does the length of my lease make a difference? 

What you might choose to do will depend on factors like your lease length and your circumstances. For example: 

  • Lease length: 80 to 82 years – It’s almost certainly advisable to extend. It’s unlikely that the reforms will be through before your lease drops below the “80-year mark” at which marriage value currently kicks in. There is no guarantee that it will be cheaper in the future than it is for you now. 
  • Want to move or re-mortgage and the current lease is an issue: Probably best to extend.  
  • Lease is above 82 years – It’s up to you: it is likely be made cheaper by the reforms, but it might also be made more expensive. If you’re comfortably over the threshold, say 100 years, you could wait to see what reforms come. 
  • Ground rent is above 0.1% of your property value (or rises to that level in the future): Consider waiting because it may be made cheaper for you in the future if the 0.1% cap applies to your lease. 
  • Lease below 80 years: Again, you should consider waiting as it might be made cheaper for you in the future given abolition of marriage value. 

More information you might find useful: 

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I want to extend my lease. Should I negotiate an extension with my freeholder?

You could negotiate a lease extension, but you need to be aware of the risks. We recommend you get professional help from a solicitor and surveyor with experience in this area.  

Leaseholders who own flats can either extend their leases under the law if they meet certain criteria (formal route), or by working out a deal with the freeholder (informal route). 

The formal route will get you another 90 years added to your lease, and you will not have to pay ground rent, but the process takes time and there will be professional fees. 

The informal route can be quicker, but it’s important to be careful. For example: 

  • You could be offered just a few years added to your lease, which means the lease will have to be extended again. This could affect the value of your flat, as a buyer will know that they will have to pay out for a lease extension in a few years’ time. 
  • The freeholder might want to change the lease, which might cause problems for you later. For example, the new lease might say that you must pay a fee if you want to rent out your flat or get a pet. 
  • The freeholder might ask you to pay a fee just to quote for a lease extension, which you would not get back, even if you decide not to go ahead. 

You could agree with the freeholder to reduce the ground rent, but the ground rent cannot be increased. Also, no ground rent should be payable in the additional years.

For example, if your current lease has £500 a year ground rent, and 70 years left, you could negotiate a lease extension of another 40 years and a reduced ground rent of £50 per year. If that was done then you (or whoever owns the flat) would pay £50 a year for the next 70 years, then no ground rent at all for the next 40 years. It might seem strange to think about what happens in 70 years, but it will affect the future value of the flat.

More information you might find useful: 

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How do I work out the cost of extending my lease?

There are ways for you to estimate the premium (price) of extending your lease, but it is best to get a valuation from a qualified surveyor who specialises in this area. 

This is because the valuer – ideally a valuation surveyor who knows your local property market well and is experienced with this area of the law –  can play an important role in the sometimes tricky process of extending a lease. 

In addition to carrying out a valuation, they can: 

  • give advice on your offer to the landlord and you response to a counter-offer 
  • negotiate with the landlord for you 
  • give expert evidence at a tribunal if you cannot agree a price with the landlord 

It is best to get advice before making any offer to your landlord. The premium is not the only cost involved; you will also have to pay the landlord’s ‘reasonable’ costs, as well as your own. 

Making an estimate 

You can use our Lease Extension Calculator to get a general estimate of the premium. 

This is based on compensating the landlord for: 

  • adding time until the property ‘reverts’ to them – to do with the property value and the years left on the lease 
  • loss of ground rent when you extend – to do with years left on the lease 
  • any added value an extension gives to the property if there is less than 80 years on the lease – the ‘marriage value’.  
  • The calculator does not take local market conditions into account and is not a substitute for professional advice.  

Template letter 


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I want to extend my lease. What are the costs that I will have to pay?

Firstly, you will have to pay the premium for the lease extension.

Secondly, you will have to pay your landlord’s reasonable costs as they are legally entitled to. This is limited to legal and valuation costs e.g. the landlord’s valuation, legal costs of drawing up the new lease and checking your right to make the claim for a lease extension.

Thirdly, you will have to pay the legal and valuation costs for your own solicitor and valuer. If the case proceeds to the First-tier Tribunal (Property Chamber)/Leasehold Valuation Tribunal, your solicitor or valuer may charge you extra costs for representing you at the Tribunal.

You do not have to pay the landlord’s costs of going to the First-tier Tribunal (Property Chamber)/Leasehold Valuation Tribunal.

Lease extension can be a difficult process. We recommend you get professional help from a solicitor and surveyor with experience in this area.


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Am I a qualifying tenant for lease extension?

Generally, you will be a qualifying tenant, if your lease was more than 21 years when it was originally entered into.

However, even though you may be a qualifying tenant under the law, there may be other restriction that may prevent you from extending your lease.

This would be the case if your freeholder is the Crown, National Trust or part of a building within a cathedral precinct.

If you believe that this is your case then you may consider obtaining  some specialist advice before you proceed.

Shared ownership leases will not qualify unless they have staircased to 100%.

Lease extension can be a difficult process. We recommend you get professional help from a solicitor and surveyor with experience in this area.


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What happens when the term of my lease runs out?

The lease will have a start date referred to as the commencement date of the lease and will be for a term of years.

The fact that the terms of the lease has come to an end does not mean that you have to leave the property. Unless you or your landlord takes specific steps to end the agreement under the lease,  it will simply continue on exactly the same terms.

You do not need do anything unless you receive a notice from your landlord. For the lease to actually come to an end either:

  • you formally surrender the tenancy if you choose to do so, or:
  • the landlord serves a prescribed notice on you to gain possession of the property (the landlord will need a court order to gain possession of the property), or:
  • the landlord may serve a prescribed notice proposing an assured periodic tenancy, where you pay a monthly rent.

If none of the above have occurred you are still holding over as a tenant and it may still be possible to extend the lease or buy the freehold.


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Will the ground rent increase after a lease extension?

This will depend on whether you carry out the process for a lease extension under the formal or informal route.

If you extend your lease formally then  you will only have to pay a “peppercorn rent” which means no ground rent at all.

If you extend your lease informally by negotiating with your landlord, you may still have to pay ground rent depending on what you agree.

Lease extension can be a difficult process. We recommend you get professional help from a solicitor and surveyor with experience in this area.


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I have served a Section 42 notice and have not received a counter-notice. What can I do?

Your original claim notice under should have included a date by which the landlord had to reply to your notice. This date should be at least 2 months from the date of service of your notice on the landlord.

If your landlord does not respond within this time or responds late then you can apply to the County Court for a lease extension as the landlord looses his rights.

If you are successful, the court will grant the extension on the terms set out in the claim notice within 6 months from the date the counter-notice was supposed to be given.

Lease extension can be a difficult process. We recommend you get professional help from a solicitor and surveyor with experience in this area.


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Why should I extend my lease?

If you own a property that has a lease on it this ownership  lasts only for a period of time or term of years. As the lease gets shorter  and the number of years goes lower, the value of the lease decreases and it becomes more expensive when you extend the lease.

This is why it is often a good idea to increase the term of the lease especially if you want to sell the property. Sometimes it is difficult to sell a property with a short lease because mortgage lenders may be reluctant to lend money on such properties.

Download a template informal letter enquiring about lease extension of a flat, or to purchase the freehold of a house or flat

Lease extension can be a difficult process. We recommend you get professional help from a solicitor and surveyor with experience in this area.


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How long can I extend my lease for?

You have the right to buy an extra 90 years to add to what is left on your existing lease.

For example, if you have 75 years left on your lease you will be given a new lease of 165 years.

Alternatively you may be able to extend your lease to any number of years by negotiating informally with your landlord.

Lease extension can be a difficult process. We recommend you get professional help from a solicitor and surveyor with experience in this area.


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Do I have to go through the Act to extend my lease?

You don’t have to use the law when negotiating a lease extension with your landlord. You can either negotiate formally or informally your lease extension with your landlord.

If you use the formal process, you are using the law to negotiate.

Otherwise, you can negotiate informally with your landlord to extend your lease, either on the same terms as under the Act or on different terms. If you cannot agree the terms you will not be able to go to the First-tier Tribunal (Property Chamber) unless you have applied to extend your lease under the Act.

Download a template informal letter enquiring about lease extension of a flat, or to purchase the freehold of a house or flat

Lease extension can be a difficult process. We recommend you get professional help from a solicitor and surveyor with experience in this area.

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What happens if we cannot agree on how much the lease extension should cost?

Where there is disagreement about what the lease extension should cost, under the Leasehold Reform, Housing and Urban Development Act 1993 it is possible to make an application to the First-tier Tribunal (Property Chamber) to determine the price. Usually, the professionals involved would try and negotiate a price and it is only where there is no agreement that an application to the Tribunal may become necessary.

Lease extension can be a difficult process. We recommend you get professional help from a solicitor and surveyor with experience in this area.


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How long do I have to wait before I have the right to extend my lease?

Assuming you are a qualifying tenant in all other respects, you have the right to extend your lease.

There is no longer a requirement to have owned the flat for a certain amount of time.

Lease extension can be a difficult process. We recommend you get professional help from a solicitor and surveyor with experience in this area.


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I want to extend my lease but my landlord is missing. What should I do?

As a leaseholder you can try and extend your lease either formally or informally.

However, if your landlord is missing you would need to try and find the landlord before you start the formal or the informal process. In some cases an enquiry agent may be useful to carry out a search and to produce a report which can be used as evidence that the landlord is indeed missing.

After you do your searches and you manage to find the landlord, it is always best to start with informal negotiations as this route could potentially save you costs and time.

If you have done all the searches and have not been able to find the landlord then there is a formal route under the law that you can use to extend the lease. You can use this process only if you qualify and comply with the legal criteria.

If you qualify, you can apply to the court for an order to allow you not to have to serve a notice on the missing landlord. This means that the court can grant you a lease extension instead of the landlord.  But you would need to show to the court with evidence that you have done all the necessary searches and made all reasonable attempts to find the landlord. That is why engaging an enquiry agent may be useful.

It is wise to seek advice from a solicitor both on investigating the landlord’s absence and the application to the County Court.

Lease extension can be a difficult process. We recommend you get professional help from a solicitor and surveyor with experience in this area.


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How many times can I extend my lease?

The lease of a flat can be extended any number of times. You can extend your lease formally or informally. After the initial extension, you do not have to wait for a specific period before making another extension. Further extensions can be made for an unlimited number of times.


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I am doing a lease extension. Can the landlord make changes (variations) to the lease terms?

This depends on whether you are going through the process formally or informally.

If you extending your lease formally, the landlord is permitted to make certain changes (variations) to the terms of the lease so long as they are in accordance with the provisions of the law.

If you are extending a lease informally there are no rules because you are acting outside of the provisions of the Act. You can try to negotiate with the landlord and if they insist on varying the lease you can either accept their offer or proceed using the Act if applicable.

Download a template informal letter enquiring about lease extension of a flat, or to purchase the freehold of a house or flat

Lease extension can be a difficult process. We recommend you get professional help from a solicitor and surveyor with experience in this area.


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When should I extend my lease?

The value of a lease goes down as the years go down. In general is best to extend the lease before it reaches 80 years or below because some lenders require a certain number of years before they are prepared to lend.

When a lease drops below 80 years the premium to extend the lease increases because marriage value becomes payable. Marriage value is the increase in the value of the flat arising from the grant of the new lease.

Lease extension can be a difficult process. We recommend you get professional help from a solicitor and surveyor with experience in this area.


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I have agreed the terms of the lease extension but the landlord is refusing to complete. What can I do?

The following applies only if you have formally agreed a lease extension with the landlord. There are strict time lines set out in the law that each party must comply with.

If a new lease has not been entered into within 2 months of the agreement or Tribunal decision, either party can make an application to the County Court for an order to deal with the conclusion of the lease extension.

This application must be made within 4 months of the date of the agreement or the decision of the Tribunal.


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What is ‘hedonic regression’ for lease extensions?

Hedonic regression is a statistical method used to isolate the effect on value of a single variable. In the case of lease extension, it is the unexpired length of the lease.

A hedonic regression model for lease extensions was created by Parthenia Valuation, ‘the Parthenia Model’. It had been used to determine ‘relativity’ i.e. the relative value of a property held on an existing long lease compared to its ‘freehold vacant possession value’; and is intended to provide, as the 1993 Act requires, a ‘no act world’ when it comes to valuing for lease extension.

In Trustees of the Sloane Stanley Estate v Mundy [2016] the Upper Tribunal (Land Chamber)  it was held that the Parthenia Model should no longer be used. However, the case is being appealed to the Court of Appeal.

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I am a leaseholder and there are issues with the conduct of recent valuation by a surveyor. I would like to contact a body that regulates property surveyors.

The Royal Institute of Chartered Surveyors (RICS) is a professional body that accredits surveyors within the land, property and construction sectors worldwide.  They regulate and promote the profession; and aim to maintain the highest educational and professional standards; protect clients and consumers via a strict code of ethics; and provide impartial advice and guidance.

Is my lease too short to sell?

There is no set rule about the length of a lease that is too short to sell.  

But when a lease falls below 80 years, the cost of extending it increases dramatically, making it harder to sell. 

Mortgage lenders, generally, will not lend on properties with a lease that is shorter than the mortgage. For example, it is difficult to find lenders who would provide a 25-year mortgage to buy a property that has just 20 years left on the lease. 

Ultimately, deciding whether your lease is too short and if you should extend it depends on your personal circumstances and your intentions about selling your property. 

It can be a complicated decision. This is how two leaseholders handled their situation. 

Case study: Belinda 

Belinda Jones was looking to sell her flat to move in with her daughter. Her lease had 60 years to run. She finally found a buyer who was interested in the property, but was reluctant because of the lease years. 

Belinda did not have the finances to extend her lease and was worried that she would never be able to sell the flat. 

LEASE advised Belinda to consider starting the legal process for extending the lease with a view to transferring it to her buyer. All she needed to do was get the ball rolling on the lease extension, and the buyer could take over from there after buying the property. 

In this win-win situation, Belinda could sell the house with the buyer paying the premium for the lease extension. Meanwhile, the buyer would not have to wait until after buying the property to start the process. 

Belinda’s estate agents helped her to negotiate a reduction in the sale price to reflect the shorter lease. 

Case study: Claire  

For Claire Smith the length of the lease was an important consideration when looking to buy a flat with 50 years remaining on the lease. 

She was not planning to stay in the area for more than 5 years, so the ability to resell was crucial. 

Claire checked the cost of a lease extension on the LEASE calculator 

The estimated price was much higher than she was prepared to pay, so she made an informed decision not to buy the flat. 


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I need to send the notice for a lease extension, but the freeholder has more than one address. How can I work out which address to send it to?

If the freeholder has told you to send the notice to a particular address, then you should use that address. Otherwise, find the last service charge demand, and use the address for service shown on that. Alternatively, you can ask the freeholder’s solicitor if they will accept service of the notice on behalf of the freeholder. If they confirm then you can then serve your notice at the solicitor’s address. 

If it is important that the notice is served quickly, for example, if the lease is approaching 80 years – when a lease extension will become more expensive, then you could arrange personal service of the notice on the freeholder using a process server who could make a sworn statement testifying that service has taken place. 


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I am in the process of extending my lease. Do I need to pay a deposit after I serve the notice?

Yes, the freeholder is entitled to request a 10% deposit or £250 (whichever is greater) at any time after service of the section 42 notice. The deposit must be paid within 14 days of the freeholder requesting it. 

The 10% is calculated based on the price you are proposing to pay in the notice. The premium you propose must be a genuine opening offer. You should not quote a low figure to reduce the deposit, as the notice may not be valid if you do this. 

If there are any disputes or if the process is not completed for any reason, the deposit may be forfeited or used to cover the freeholder’s costs. 


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