Using an ombudsman can be a good option, particularly if you have only suffered a small loss. Where possible, the ombudsman will resolve complaints relatively quickly and without charging you. The ombudsman may be able to award substantial compensation, but a more typical award is around £1,000.
For larger claims, mediation can be a useful approach, provided both sides agree to its use. Instead of the case being argued out by lawyers on each side, the mediator (typically a specially trained lawyer) works with both parties to help you negotiate an agreement between yourselves. Successful mediation can help you reach an agreement in a matter of days, and with lower legal costs.
Like many legal disputes, going to court should be a last resort. Costs can be high and cases can take months or even years to resolve. Wherever possible, you should aim to negotiate an agreement.
Talking to your legal adviser at the outset will help you to decide on the option that is best for you, in terms of time, costs and the amount of compensation you might receive.