Everything you need to extend your lease

At extension.lease, we provide specialist lease extension valuations and freehold purchase advice across Hammersmith & Fulham. From riverside mansion blocks in Fulham to ex-local authority estates in Shepherd’s Bush, our deep local knowledge ensures accurate, defendable valuations.
We work on lease extensions for riverside developments such as Imperial Wharf, Chelsea Creek, and Hurlingham Court, alongside period mansion blocks like Elysium Court and Waldemar Avenue Mansions. Ex-local authority estates include the Sands End Estate and Gibbs Green Estate.
In Hammersmith, we handle flats in private riverside schemes like Queens Wharf, Distillery Wharf (Fulham Reach), and Riverside Gardens, as well as mansion blocks along King Street. Ex-local authority stock includes the Ashcroft Square Estate and West Kensington Estate.
Our Shepherd’s Bush work includes ex-local authority estates such as White City Estate and Edward Woods Estate, alongside private developments like Television Centre Apartments and Westfield Apartments. Period conversions on roads such as Uxbridge Road are also common instructions.
West Kensington lease extensions often involve large mansion blocks such as Bishop’s Mansions, Gainsborough Mansions, and Avonmore Mansions, as well as ex-local authority stock on the Lytton Estate and North End Estate.
In Parsons Green, we work on flats in Arundel Court, South Park Court, and conversions on Parsons Green Lane. Leasehold properties here are highly sought-after and often require careful negotiation due to their premium value.
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The cost of extending your lease depends on several factors, including whether your property is under the ownership of Hammersmith & Fulham 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 Hammersmith & Fulham, including properties under the ownership of the local authority and 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.