A lot of companies show no loyalty with a discount for new customers and then bump it up at renewal.
Regulations in the UK now say insurers have to be transparent as to what customers paid last year.
Brokers and companies who have commission to add to their charges for their own profit will have some leeway with the cream they earn on the top.
The size of the premium depends on the amount they will knock off if challenged.
Just ask and say you've been quoted cheaper but don't go too low. They will never ask you to produce evidence of the alternative quote, but they may call your bluff if you're unrealistic.
It's like playing poker.
It's worth you haggling otherwise, as previously stated, they rely on those who just pay the premium and cream the commission from this.
Their lowest quote will make them about £2 or maybe even a loss to keep the customer.
Do your research online and go back to them.