TOEFL TOEFL iBT: Standard level scores are 110(Minimum component scores:Listening: 22;Reading: 24;Speaking: 25;Writing: 24).More details in https://www.ox.ac.uk/admissions/graduate/applying-to-oxford/application-guide?wssl=1#content-tab--3 IELTS IELTS Academic: Standard level scores are 7.5(Minimum 7 per component ).More details in https://www.ox.ac.uk/admissions/graduate/applying-to-oxford/application-guide?wssl=1#content-tab--3

PS You should submit both a personal statement and a research proposal, both written in English, combined into a single document.https://www.ox.ac.uk/admissions/graduate/courses/dphil-renewable-energy-marine-structures?wssl=1 GPA Applicants are normally expected to be predicted or have achieved a first-class or strong upper second-class undergraduate degree with honours (or equivalent international qualifications), as a minimum, in an engineering degree, either in general engineering, civil engineering, geotechnical engineering, structural engineering or a related area. Applications from candidates with degrees in closely-related disciplines will also be considered. A previous master's qualification is not required.https://www.ox.ac.uk/admissions/graduate/courses/dphil-renewable-energy-marine-structures?wssl=1 CV A CV/résumé is compulsory for all applications. Most applicants choose to submit a document of one to two pages highlighting their academic achievements and any relevant professional experience. Fee A valid debit/credit card with enough funds to pay the £75 GBP application fee payment (or your authorisation code if you are applying for a CDT waiver or for readmission RL Three overall, of which at least one must be academic. Whilst you must register three referees, the department may start the assessment of your application if two of the three references are submitted by the course deadline and your application is otherwise complete. Please note that you may still be required to ensure your third referee supplies a reference for consideration. Professional references are acceptable though at least one reference should be academic. Your references will support intellectual ability, academic achievement and potential, motivation, creativity, and ability to work singly and in a group. Professional references are acceptable though at least one reference should be academic. Transcript Your transcripts should give detailed information of the individual grades received in your university-level qualifications to date. You should only upload official documents issued by your institution and any transcript not in English should be accompanied by a certified translation.More information about the transcript requirement is available in the Application Guide.(https://www.ox.ac.uk/admissions/graduate/applying-to-oxford/application-guide?wssl=1#content-tab--4)