Leasehold reform is one of the most active areas of UK property law. The rights already in place allow most leaseholders to take control of their property ownership, but exercising those rights requires understanding the process and its costs.\n\nHouse Leaseholders: Buying the Freehold — If you own a leasehold house and have held the lease for at least two years, you have a statutory right to buy the freehold under the Leasehold Reform Act 1967. The price is based on a statutory formula that considers the site value, the unexpired lease term, and the ground rent. For most leasehold houses with long leases and modest ground rents, the freehold purchase price is a few thousand pounds. For higher-value properties or those with short leases, the price can be substantially more.\n\nFlat Leaseholders: Lease Extensions — After owning a leasehold flat for two years, you have a statutory right to extend your lease by 90 years on top of the unexpired term, at a peppercorn (zero) ground rent. The premium depends on the current lease length, the property value, the ground rent, and the yield rate applied. As a rough guide: a flat worth 300,000 with 80 years remaining might cost 15,000 to 25,000 to extend. With 60 years remaining, the cost could be 30,000 to 50,000 or more because marriage value (the increase in flat value resulting from the longer lease) becomes payable.\n\nThe Marriage Value Threshold — Currently, marriage value is payable when the lease has fewer than 80 years remaining. The Leasehold and Freehold Reform Act 2024 proposes to abolish marriage value payments entirely, which would significantly reduce extension costs for short-lease properties. However, the implementation date for this change remains uncertain.\n\nThe Formal Process — Serve an initial notice on the freeholder (Section 42 notice for flat extensions, Section 8 notice for house freehold purchases). The freeholder has two months to respond with a counter-notice. If you cannot agree on the price, either party can apply to the First-tier Tribunal to determine the premium. The tribunal's determination is binding. The entire process typically takes 6 to 12 months.\n\nInformal Extensions — Some leaseholders negotiate directly with the freeholder outside the statutory process. This can be quicker but often results in a higher price because the freeholder is under no legal obligation to agree. Informal extensions also risk the new lease containing unfavourable terms that the statutory route would not allow. Always take legal advice before agreeing an informal extension.\n\nCosts — Valuation fee for your surveyor: 500 to 1,500. Solicitor's fees: 1,000 to 3,000. You must also pay the freeholder's reasonable legal and valuation costs. Total professional costs (excluding the premium itself) typically run 3,000 to 6,000. The premium (purchase price) is the main cost and varies widely.\n\nWhy It Matters for Mortgages — A lease below 80 years is increasingly difficult to mortgage. Below 70 years, most lenders will decline. Extending the lease immediately improves the property's mortgage eligibility and market value. The increase in value from extending a short lease almost always exceeds the cost of the extension, making it one of the best investments a leaseholder can make.\n\nCollective Enfranchisement for Flats — An alternative to individual lease extensions. If at least half the qualifying leaseholders in a building participate, you can collectively purchase the freehold. You then control the building, can grant yourselves new long leases at minimal cost, and eliminate ground rent entirely.