As an addition to my last post � there are a number of other things you need to consider.
Let�s say you are paid �100 per day on your contract rate. From my previous post, you will be grossing around �22,000 per annum. If the company are providing a pension, health care plus sick pay benefits, redundancy etc. you can probably reckon on a notional value of 10% of your salary. And therefore might reasonably ask for �20,000.
But more importantly, you need to consider the market rate for your job. You might find that your employer is paying you well over the odds (to employ you on a contract basis), since they can get rid of you at a moments notice, and others doing your job for the company are earning nowhere near the amount you are paid contract.
Conversely, the company may be getting a good deal at your contract rate and want to make sure they keep you (at such a low rate).
Something else to consider is that you have no employment rights until you have been employed for a year � until then, the company can sack you for no reason at all � and you cannot claim unfair dismissal (unless they sack you based on sex discrimination).
Don�t forget that the company are likely to want you to contribute something towards your pension which reduce your take home pay.
If you are not being paid a massive premium rate as a contractor, my advice is to try and secure a salary at your gross contract rate. Look at things from your employers point of view � they are getting an employee that they know they want � if they had to take on an unknown from outside, it could take that person up to 6 months to learn the company processes to be of significant use to the company.
Good Luck !!!!