Catalogue companies are pretty generous in providing credit limit increasers. In fact, usually, after just a few months of maintaining repayments you will find your catalogue credit limit start increasing.
To help with your chances of a Credit Limit increase ensure you do not apply for too much credit elsewhere.
These days, just like other financial companies, Catalogue companies may rely on a feed from the Credit Reference agencies to ensure you are not falling into financial trouble.
Applying for too much credit in a short period of time can make it look like you are desperate for credit.
Ensure you are maintaining your repayments with your Catalogue company and other organisations. The more you prove you are in financial control the more chance you have in your Catalogue company being aware you can maintain repayments.
Ensure you are not over stretching yourself. Making just the minimum repayments each month will show a customer may just be keeping their head above water, ensure you make more than the minimum repayments, this will also help improve your chances of a credit limit increase with your catalogue company.