https://www.slab.org.uk/guidance/charges-for-preparation/
All charges for time spent in preparation must be supported by a detailed narrative recording the work done.
Preparation can be defined as being work undertaken by you to ensure that you enter the court with all the necessary papers. This this preparation can, include:
Preparation does not include:
Care should be taken to identify the actual work carried out in respect of any claim for preparation by adding an appropriate narrative to this item in the account.
We cannot consider a global or “standard” entry for unspecified preparation in an account. In these circumstances, we will usually:
You are expected to be up-to-date with the substantive and procedural law in relation to the matter on which you have elected to accept instructions. Any charges made in this respect will not be met.
Only in exceptional cases, where a novel, developing, unusual or complex point of law arises, requiring legal research, will consideration be given to paying any charges. You must provide full details of the area of law researched and why it should be considered as exceptional.
This is distinct from the perusal of case law provided in support of one of the other party’s submissions, for which a reasonable perusal time will be considered.