A Notice of Crystallisation is a formal document served by a lender to trigger the conversion of a floating charge into a fixed charge over a borrower’s assets. It is typically issued when a default or enforcement condition arises under the loan agreement or security deed. In UK property development finance, serving this notice enhances the lender’s control over assets, preventing the borrower from disposing of them and enabling the appointment of receivers. The notice must comply with the terms of the security instrument and often precedes the enforcement of rights under a debenture or legal charge.
In practice, a Notice of Crystallisation is a significant enforcement step within Security Enforcement and Receivership, as it converts a lender’s security position from a floating charge to a fixed charge over identified assets. For property developers, this often marks the point at which a lender seeks to preserve value and restrict further asset movements following a breach of finance terms. The notice is closely connected to Floating Charge Crystallisation, which describes the underlying legal process triggered by the notice itself. It may also become relevant where recovery prospects depend on assets secured behind senior lenders, including situations involving Subordinated Debt 2nd Charge arrangements.
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