Hide shipping method

[junctionabz]

Is there any way to hide a shipping option, if the order total is over a certain value?

 

For example

 

I have 2 shipping options.

 

First class (goods insured up to £34)

Standard parcels (goods insured up to £200)

 

I want to offer First class for orders up to the value of £34 then hide it & only show standard parcels if the order is over £34.

 

I found a piece of code elsewhere on the forum but it doesn't seem to work.

 

if ( ($this->enabled == true) && ($order_total <100) ) {

$this->enabled = false;

return;

}

 

 

Any help would be greatly appreciated!!

 

Thanks