Everything you need to extend your lease

If your property’s lease is getting short, you will more than likely have the right to extend it by 90 years and remove the ground rent. This is known as a Statutory Lease Extension, guaranteed under the Leasehold Reform, Housing and Urban Development Act 1993 to qualifying leaseholders. At Extension.Lease, we specialise in helping leaseholders navigate the entire lease extension process from start to finish. We handle everything, including valuations, negotiations and legal work, so you do not need to manage the complexities yourself. Our expert team oversees the whole process, with Blakes Chartered Surveyors dealing with valuation and negotiation of the premium, and Arcadia Law serving the Section 42 notice, agreeing terms and registering the new lease.
We provide a complete statutory lease extension service for flat owners across Sutton, including Cheam, Carshalton, Wallington, Belmont and Worcester Park. Our team regularly advises leaseholders in a wide range of property types – from 1930s and 1950s purpose-built blocks in Cheam, to modern developments around Sutton town centre and Carshalton Ponds, and ex-local authority estates where many leases were granted during the 1980s Right to Buy era. This includes properties on estates and developments such as the Benhill Estate in Sutton, Roundshaw Estate (including the former Roundshaw Park area), the St Helier Estate covering parts of Carshalton and Wallington, Butter Hill in Wallington, Wrythe Green in Carshalton, and Sutton Court and developments around Throwley Way. We have extensive experience acting for owners of Sutton Council flats and properties managed by Sutton Housing Partnership (SHP), preparing robust RICS-compliant valuations based on detailed local comparable evidence.
If your lease is approaching or below 100 years, speak to trusted lease extension surveyors and solicitors in Sutton today to protect your property’s value, remove ground rent and secure the best possible outcome.
We handle lease extensions for apartments in Aspects Court, Sutton Court, and Cavendish Court, as well as ex-local authority blocks in the Benhill Estate and Throwley Way Estate.
In Cheam, we act on flats in Sovereign House, Cheam Court, and conversions along Cheam High Street, plus ex-local authority stock in the Cheam North Estate.
Carshalton lease extensions include apartments in St Philomena’s Court, Ruskin Court, and ex-local authority developments in the St Helier Estate and Wrythe Estate.
Our Wallington work covers larger purpose-built blocks like Wallington Court, Grosvenor Court, and ex-local authority stock in the Bandon Hill Estate.
In Belmont, we handle lease extensions for smaller blocks such as Belmont Court and The Dene, along with ex-local authority developments in the Belmont Estate.
Worcester Park lease extensions include flats in Cavendish Grove, The Avenue Court, and ex-local authority stock in the Old Malden Lane Estate.
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The cost of extending your lease depends on several factors, including whether your property is under the ownership of Merton Council or a private freeholder.
In addition to the premium and the landlords recoverable costs, you’ll also need to budget for our fixed professional fee of £2,750 + VAT*, which includes all valuation, negotiation, and legal work. This fee is split into two equal instalments, making the payment process straightforward and manageable.
Contact us for a free all inclusive estimate of the total cost of your lease extension, without obligation.
Extending your lease is one of the most important steps you can take to protect your property’s value and mortgageability. If your lease is under 100 years or has a high ground rent, its value may already be affected. Once it falls below 80 years, the cost of extending increases significantly due to marriage value.
Our free, instant Lease Extension Calculator gives you an instant estimate of the premium payable under the Leasehold Reform, Housing and Urban Development Act 1993. It’s a quick, useful guide for leaseholders wanting to understand the likely cost of extending their lease before taking formal advice.
We have a proven track record working with leaseholders in Sutton, including properties under the ownership of the local authority (under control of SHP – Sutton Housing Partnership) as well as private freeholders. Whether you live in a purpose-built flat, a converted property, or a large housing development, we’ve handled it all
Everything you need to extend your lease






A statutory lease extension is a legal right that allows leaseholders to extend their lease by 90 years and remove any ground rent. This right is granted under the Leasehold Reform Housing and Urban Development Act 1993, and it applies to almost all leaseholders in the UK, whether your property is owned by a local authority or a private landlord.
The entire lease extension process typically takes between 6 to 12 months. This includes the valuation, notice serving, negotiations with the freeholder, and legal work to register the new lease. However, the exact time can vary depending on factors like the complexity of negotiations or if any issues arise with the property documents.
The premium is the price you pay to extend your lease. It depends on several factors:
Our surveyors will carry out a valuation to calculate a fair premium for your lease extension and negotiate where required to ensure you do not overpay.
If your lease has less than 80 years left, the cost of your lease extension will usually be higher. This is because properties with shorter leases are considered less valuable, and the cost to extend is affected by something called the marriage value, which is the increase in the property's value once the lease is extended. To avoid higher costs, it’s often best to act before your lease drops below 80 years.
Yes, your freeholder may charge fees for their involvement in the lease extension process. These fees typically cover the cost of legal work, including the drafting and registration of the new lease. While these fees are usually similar to the costs you incur, they can sometimes be higher depending on the freeholder's approach.