Confirmation of an increase in credit limit [Date] [Name] [Address] Dear [Name] I write to thank you for your letter of [date] requesting an increased credit limit on your account [number]. We are now pleased to inform you that we have now raised your limit to [amount]. We trust that this will meet your new requirements. Should you require any further assistance, please do not hesitate to contact me. Yours Sincerely [Your Name] [Your Title]