It usually takes 2-3 weeks for the full loan offer to arrive also. It is not advisable to sign the purchase contracts, before the loan offer arrives. The loan offer needs to be reviewed, to ensure that all conditions can be complied with. The bank will send the full loan legal pack to the solicitor. It is advisable to book a surveyor to conduct a full structural report, boundary check and planning search. It is often advisable to have the survey done after the contracts are received, as planning documents and a map will be given with the contracts. These can then be given to the surveyor to review also.