If feel you have been let down by your solicitor you should make a complaint as soon as possible to your solicitor or the person nominated within the firm to deal with complaints. You should be able to find this information on the initial documentation the firm sent to you, if not it should be in their terms & conditions.
If you need guidance on what to say in your complaint, there is a template letter of complaint available on the Legal Ombudsman website; http://www.legalombudsman.org.uk/wp-content/uploads/2014/09/Formal-Complaint-Template.pd
Your solicitor is allowed up to 8 weeks to respond to your complaint. If you are unhappy with their response or if they do not respond you can contact the Legal Ombudsman.
When contacting the Legal Ombudsman you should have already followed the above process; there are some exceptions to this and you can see the Legal Ombudsman website for more information. You must refer your complaint to the Legal Ombudsman within 6 months of the final response from your solicitor.
The Legal Ombudsman can help you in the following ways:-