An example of a letter from a defendant’s solicitors to a claimant’s solicitors requesting security for costs, with drafting notes. This letter requests security under CPR 25.13(2)(c) but could be adapted to request security under another ground (see Practice note, Security for costs: an overview: Grounds for application for security).

See also Standard documents, Security for costs: letter of advice to client about response to request for security (with drafting notes) and Security for costs: case study.