A lease with 82 years remaining can still feel comfortably long. Yet once it approaches 80 years, the cost and complexity of extending it can change sharply, and buyers and lenders may become more cautious. That is why the managed extension versus DIY decision is not simply about who fills in the forms. It is about how much time, risk and coordination you are prepared to take on while protecting a valuable property asset.
For some leaseholders, managing the process themselves is sensible. For others, especially where the lease is short, the freeholder is difficult to engage or a sale is approaching, it can turn into a costly distraction. The right route depends on the lease, the parties involved and how confident you are in coordinating professional advice.
What DIY really means for a lease extension
A DIY lease extension rarely means completing the entire process alone. Lease extension law, valuation and conveyancing are specialist areas. In practice, DIY usually means you appoint and manage each adviser separately, communicate with the landlord or managing agent, keep track of notices and deadlines, and make the key decisions yourself.
That can involve finding a RICS-registered valuer, instructing a solicitor, supplying documents, reviewing the proposed premium, arranging access to information, responding to enquiries and following up with the landlord’s representatives. If you use the statutory route, notices and deadlines matter. A missed deadline or incorrectly handled notice can have serious consequences, including delay and additional cost.
There is nothing inherently wrong with this approach. A leaseholder with a straightforward flat, plenty of time and trusted advisers may prefer direct control. The challenge is that the work sits across several parties with different priorities. Your valuer focuses on premium and negotiation strategy; your solicitor focuses on legal process; the landlord’s side has its own advisers and timetable. You remain the person connecting every part.
Managed extension versus DIY: the practical difference
A managed service brings the moving parts into one structured process. Rather than separately chasing a valuer, solicitor and landlord, you have a central point of contact coordinating the journey and making the next step clear. It does not remove the legal safeguards or valuation expertise needed for the transaction. It removes much of the administrative gap between them.
The difference is most noticeable when a matter is not straightforward. Perhaps the freeholder has not responded promptly, the title information needs checking, there is disagreement on the premium, or you are working to a sale deadline. With DIY, you may need to establish who is responsible for each issue and repeatedly follow it up. With a managed route, the process is organised around progress, visibility and escalation.
For landlords and portfolio managers, the same principle applies from the other side. Handling extension requests internally can draw in asset managers, accountants, surveyors, solicitors and managing agents. A managed route can create a more consistent workflow, clearer records and less avoidable administration, while retaining proper oversight of commercial decisions.
Cost is more than the quoted fee
DIY can appear cheaper at the outset because you choose each supplier and pay their fees directly. That may be the best value where you know exactly what is required, have a reliable professional network and can give the process the attention it needs.
But the headline fee is only one part of the cost. A leaseholder should also consider valuation accuracy, legal fees, the landlord’s reasonable costs where applicable, Land Registry fees, notice fees and the financial effect of delay. If the lease is nearing 80 years, delay can be particularly significant because marriage value may be relevant under the current statutory framework. The law is changing, and elements of the Leasehold and Freehold Reform Act 2024 are being introduced in stages, so up-to-date professional advice remains essential.
A managed service is not automatically the lowest-priced option on a simple case. Its value is in reducing duplicated effort, missed handovers and time spent chasing information. Ask for a clear explanation of what is included, what is not, when costs become payable and what happens if negotiations take longer than expected. Transparency matters more than a low starting figure that excludes the work you will later need.
Control does not have to mean doing everything yourself
Some leaseholders choose DIY because they do not want to lose control. That is understandable. A lease extension affects the value, mortgageability and future saleability of your flat. You should know what is happening and why.
However, control and administration are different things. Good managed support should give you clear decisions to make, timely updates and sight of the commercial position without asking you to become the project manager. You remain in charge of approving the approach, reviewing the proposed premium and deciding whether terms are acceptable. The service handles the coordination around those decisions.
The same is true for a landlord. A modern managed process should not obscure the premium, lease terms or risk position. It should make those points easier to assess, while reducing the volume of routine correspondence and internal handling.
When a DIY route may be suitable
DIY can work well where the facts are simple and you have the capacity to manage it. For example, you may own a flat with a healthy remaining term, have already identified an experienced valuer and solicitor, and have a cooperative freeholder with a clear contact route. You may also be comfortable reading correspondence closely and keeping a record of deadlines.
An informal, negotiated extension can sometimes be quicker than the statutory route, but it needs care. The landlord is not required to offer the same terms as a statutory extension, and an attractive-looking premium can be paired with less favourable ground rent provisions or lease wording. Your adviser should compare the full package, not just the initial price.
DIY is less attractive when time is tight, the lease is short, ownership details are complicated, or the landlord is hard to identify or engage. It can also become demanding where a dispute develops over valuation or terms. In these cases, the apparent saving from self-coordination can disappear quickly.
When managed support earns its place
Managed support is particularly useful if you want a clear route from first assessment to completion but do not want to spend weeks coordinating specialists. It can provide structure at the point where most people feel stuck: working out eligibility, commissioning the right valuation, selecting the appropriate route and keeping the matter moving after the first contact with the landlord.
It can also be valuable for landlords receiving regular extension enquiries across a portfolio. A repeatable process helps reduce inconsistency, supports better asset records and prevents requests from sitting unattended between teams.
Lease Plus 90 is designed around this practical gap. The aim is not to make a technical matter sound simple when it is not. It is to give leaseholders and landlords a managed, transparent process with the right specialist input at the right stage.
Questions to ask before choosing either route
Before you decide, establish the remaining term on the lease and whether a sale, remortgage or refinancing is planned. Check who owns the freehold and whether there are any obvious title or management complications. Ask how the premium will be assessed, whether you qualify for the statutory route, and what lease terms are being proposed alongside the premium.
If you are comparing providers, ask who will coordinate the process, whether a RICS-registered valuation is included or separately arranged, how progress will be reported, and which costs may arise outside the advertised service. For a landlord, ask how approvals will be managed and whether the process gives you a consistent audit trail across requests.
The best choice is the one that gives you enough visibility without leaving you exposed to avoidable delay. A lease extension is too important to be treated as paperwork to deal with later. Start by getting a clear view of your lease, your timetable and the support needed to move forward with confidence.
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