Key Facts · Cambridge
Natural Sciences at Cambridge (UCAS BCF0) is a broad BA/MSci route for applicants who want to keep biological and physical sciences open before specialising. The typical offer is A*A*A, and applicants should plan for Mathematics-led subject requirements plus the ESAT.
Section 01
Cambridge reports Natural Sciences as a broad Tripos-style course rather than a single-subject degree, and the course covers biological and physical sciences across 14 departments.
Cambridge is shown as a #1 course-family ranking display in the page data, but this is a partial-confidence comparison: Guardian and Complete use Biology or Biological Sciences proxies rather than one directly comparable Natural Sciences table, and the Times Natural Sciences claim was not fully verified from an openly accessible primary table.
Use the peer table as a broad course-family comparison with Oxford, Durham, Imperial College London and St Andrews, not as a single-methodology Natural Sciences league table.
In reality, the stronger reason to apply is not the table position. It is the course design: you begin broad, then narrow through Part IB, Part II and, where available, Part III/MSci.
How It Ranks Against Peers
| University | Guardian UK | CUG UK | Times UK |
|---|---|---|---|
| University of Cambridge | #1 (Biology; Earth & Marine Sciences) | #1 (Biological Sciences) | #1 (Natural Sciences; partial verification) |
| University of Oxford | #5 (Biology) | #2 (Biological Sciences) | not comparable |
| Durham University | #2 (Biology) | #3 (Biological Sciences) | not comparable |
| Imperial College London | not comparable | #4 (Biological Sciences) | not comparable |
| University of St Andrews | #7 (Biology) | #5 (Biological Sciences) | not comparable |
University of Cambridge
University of Oxford
Durham University
Imperial College London
University of St Andrews
Ranks shown are UK subject-table positions from the three major UK guides. World rankings are not included — UK applicants compare using UK-focused sources.
Section 02
International Applicants
Hover to preview · Click to draw route
Select a highlighted country to see the admissions-test, score, and English-language requirements that apply specifically to applicants from that country.
Section 03
| Qualification | Typical Offer | Key Requirements |
|---|---|---|
| A-Level | A*A*A; A Level Mathematics and two other science or mathematics subjects required. | |
| IB Diploma | 41-42 points, with 776 at Higher Level; Higher Level Mathematics and two other science or mathematics subjects required. | |
| Advanced Placement (AP) | Minimum five AP Tests at score 5 in subjects relevant to the course, plus strong SAT or ACT results and high High School Diploma performance. |
Section 04
1 JUN — 28 SEP
Create a UAT-UK account, request access arrangements or a bursary if needed, and book the October ESAT sitting by 28 September 2026 at 6pm UK time.
Tip:Book early because Pearson test-centre appointments can become less convenient as the deadline approaches.
12 — 16 OCT
Natural Sciences applicants for the October Cambridge deadline must sit ESAT Test Sitting 1 between 12 and 16 October 2026. Candidates in China, Hong Kong and Macau must sit ESAT on 12 or 13 October.
Tip:Check that you have booked Mathematics 1 plus the two further modules required or most appropriate for your Natural Sciences route.
15 OCT
Submit the UCAS application for Cambridge Natural Sciences by 15 October 2026 at 6pm UK time. Your reference must be complete before the application can be sent.
Tip:Leave enough time for your school or referee to check and submit the application before the 6pm deadline.
22 OCT
Complete and submit My Cambridge Application by 22 October 2026 at 6pm UK time. Applicants who need to provide a transcript should also meet this deadline.
Tip:Use this form to keep your subject choices and circumstances consistent with the UCAS application.
NOV
Most interview invitations are sent in November, though some may arrive in early December. The invitation will confirm interview timing, format, and any preparation tasks.
Tip:Check email, spam folders, and College messages regularly; the timing of an invitation does not indicate applicant strength.
7 — 18 DEC
The main Cambridge interview period for 2027 entry is 7 to 18 December 2026. For Natural Sciences, expect subject-specific academic discussion, often with problem solving and explanation of your working.
Tip:Keep the interview period free; Cambridge says interviews are not normally rescheduled except in exceptional circumstances.
27 JAN
Applicants interviewed in the main December period will receive the outcome on 27 January 2027. Colleges send decisions by email in the morning and UCAS Hub updates by mid-afternoon.
Tip:You may receive an offer from a different College if your application has been considered through the Winter Pool.
5 MAY
For applicants who receive all decisions by 31 March 2027, the UCAS undergraduate reply deadline is 5 May 2027. Choose firm and insurance options carefully.
Tip:Check UCAS Hub for your personal reply deadline, because it can vary depending on when all your decisions arrive.
AUG
Exam results are released in August 2027 and Cambridge confirms its final decision after seeing whether offer conditions have been met.
Tip:Have your College contact details ready in case you need clarification after results are released.
1 JUN — 28 SEP
Create a UAT-UK account, request access arrangements or a bursary if needed, and book the October ESAT sitting by 28 September 2026 at 6pm UK time.
Tip:Book early because Pearson test-centre appointments can become less convenient as the deadline approaches.
12 — 16 OCT
Natural Sciences applicants for the October Cambridge deadline must sit ESAT Test Sitting 1 between 12 and 16 October 2026. Candidates in China, Hong Kong and Macau must sit ESAT on 12 or 13 October.
Tip:Check that you have booked Mathematics 1 plus the two further modules required or most appropriate for your Natural Sciences route.
15 OCT
Submit the UCAS application for Cambridge Natural Sciences by 15 October 2026 at 6pm UK time. Your reference must be complete before the application can be sent.
Tip:Leave enough time for your school or referee to check and submit the application before the 6pm deadline.
22 OCT
Complete and submit My Cambridge Application by 22 October 2026 at 6pm UK time. Applicants who need to provide a transcript should also meet this deadline.
Tip:Use this form to keep your subject choices and circumstances consistent with the UCAS application.
NOV
Most interview invitations are sent in November, though some may arrive in early December. The invitation will confirm interview timing, format, and any preparation tasks.
Tip:Check email, spam folders, and College messages regularly; the timing of an invitation does not indicate applicant strength.
7 — 18 DEC
The main Cambridge interview period for 2027 entry is 7 to 18 December 2026. For Natural Sciences, expect subject-specific academic discussion, often with problem solving and explanation of your working.
Tip:Keep the interview period free; Cambridge says interviews are not normally rescheduled except in exceptional circumstances.
27 JAN
Applicants interviewed in the main December period will receive the outcome on 27 January 2027. Colleges send decisions by email in the morning and UCAS Hub updates by mid-afternoon.
Tip:You may receive an offer from a different College if your application has been considered through the Winter Pool.
5 MAY
For applicants who receive all decisions by 31 March 2027, the UCAS undergraduate reply deadline is 5 May 2027. Choose firm and insurance options carefully.
Tip:Check UCAS Hub for your personal reply deadline, because it can vary depending on when all your decisions arrive.
AUG
Exam results are released in August 2027 and Cambridge confirms its final decision after seeing whether offer conditions have been met.
Tip:Have your College contact details ready in case you need clarification after results are released.
Section 05
Natural Sciences applicants take the Engineering and Science Admissions Test (ESAT).
The test is administered by UAT-UK and delivered through Pearson VUE test centres.
For Natural Sciences, applicants take Mathematics 1 plus two additional modules, chosen from Biology, Chemistry, Physics and Mathematics 2; the ESAT itself is delivered in multiple-choice format.
For the main 2027-entry Cambridge round, the October ESAT sitting runs from 12 to 16 October 2026; eligible January-round mature applicants use the January sitting from 4 to 8 January 2027.
Do not confuse account setup with test booking: UAT-UK account creation, access-arrangement requests and bursary applications open on 1 June 2026 at 3pm BST; Pearson VUE booking for the October sitting opens on 20 July 2026 at 3pm BST and closes on 28 September 2026 at 6pm UK time.
The ESAT has no published pass/fail mark and is considered alongside the rest of the application.
For international students, the ESAT matters because it gives Cambridge another way to compare applicants from different school systems. It is worth planning test-centre booking early if you are outside the UK.
Full ESAT preparation guide | format, scoring, strategy, and practice resources.
ESAT Guide →Section 06
Interview Invitation
Late Nov
Arrival to Interview
Early Dec
Technical Question
Mid Dec
Decision
Early Jan
Interview Invitation
Late Nov
Arrival to Interview
Early Dec
Technical Question
Mid Dec
Decision
Early Jan
Question Types You’ll See
The interview is a problem-based academic conversation, usually focused on subject-specific reasoning rather than polished presentation.
Cambridge’s Natural Sciences interview testing areas include school-level science and mathematics, unfamiliar problem solving, critical thinking, curiosity and readiness for supervision-style study.
Typical question types include quantitative problems, graph or diagram interpretation, experimental results, short scientific passages and deeper discussion of personal-statement topics.
We recommend practising aloud. The aim is not to sound scripted; it is to make your reasoning visible, correct mistakes calmly, and respond when an interviewer changes the problem.
Practise with realistic questions from our free Natural Sciences mock interview bank.
Free Mock Questions →Section 07
Weighting of Admission Factors
100%
Indicative — exact balance varies by college and year.
Cambridge does not publish a fixed weighting formula for Natural Sciences.
In reality, the decisive evidence is academic. For Natural Sciences, the strongest applications usually show that a candidate can reason across science and mathematics, not just recall syllabus material.
Section 08
Because Natural Sciences begins broadly before narrowing through the Tripos, your personal statement should explain why a combination of sciences is intellectually coherent for you and how that breadth prepares you for supervision-style academic discussion.
We recommend using one or two linked themes rather than trying to mention every branch of science. A chemistry applicant might connect bonding, thermodynamics and materials; a biological applicant might connect genetics, evolution and quantitative modelling.
Avoid presenting activities as a checklist. It helps to explain what changed your thinking, what problem you tried to solve, and what you would investigate next.
Use supercurricular evidence to show reasoning that connects to Cambridge’s process: the ESAT rewards accurate application under time pressure, while interviews reward explaining how you think through unfamiliar scientific problems.
See a full annotated example with line-by-line expert commentary.
Natural Sciences PS Example →Section 09
Projects are useful because Natural Sciences interviews and admissions tests reward problem solving, explanation and unfamiliar application.
A good project does not need expensive equipment. It needs a question, a method, data or evidence, an honest limitation, and a scientific explanation.
This presentation format is useful because it mirrors what Cambridge is trying to see in interviews: whether you can explain a problem, test an idea, recognise a limitation and adapt your reasoning.
How to present a project:
These are support, not substitute. They only help if they improve your scientific reasoning.
Competitions are not required, but they stretch timing, precision and unfamiliar problem solving.
None are required; one or two done well beats five half-attempted.
Section 10
Students take three experimental subjects and one mathematics-based subject. The year is deliberately broad, allowing students to combine biological and physical sciences while building mathematical, practical and conceptual foundations before narrowing their choices.
Three experimental subjects plus a mathematics option make Part IA unusually broad.
Students normally take three subjects, choosing from a wide menu across biological and physical sciences. Part IB is the main transition year: it narrows the course while still preserving enough breadth to change direction before final-year specialisation.
Part IB offers many possible subject combinations, subject to timetable and progression restrictions.
Students specialise in one subject or an approved interdisciplinary route. This is the final year for the BA route and commonly includes advanced papers plus extended work such as a dissertation or research project, depending on the chosen subject.
Part II is where Natural Sciences becomes most like a specialist degree pathway.
Students who meet the progression requirement can apply to continue to a fourth year in an eligible subject and graduate with an MSci. The year is designed for advanced scientific training and commonly includes substantial research or self-directed project work.
The MSci year is especially relevant for applicants considering research or technical scientific careers.
Section 11
For science preparation across the biological and physical routes, use reading to deepen mechanisms rather than to collect titles. The Feynman Lectures on Physics, Why Chemical Reactions Happen, Campbell Biology, The Selfish Gene and Life Ascending give different entry points into physics, chemistry, biology, evolution and biochemical reasoning.
For video learning, choose channels that help you explain ideas aloud and connect diagrams, experiments and mathematics. Numberphile, Periodic Videos, The Royal Institution, MIT OpenCourseWare and PBS Space Time are useful when you pause, solve, summarise and test the argument rather than watching passively.
For current research and scientific careers, podcasts such as The Life Scientific, Nature Podcast, Science Magazine Podcast and In Our Time: Science help applicants hear how scientists frame questions, deal with uncertainty and move between disciplines.
For structured problem solving, Isaac Science, MIT 8.01SC Classical Mechanics, MIT 7.012 Introduction to Biology and Khan Academy AP/College Chemistry are most useful when linked to timed problem practice, ESAT module choices and post-mistake review.
Keep a notebook of problems, assumptions, failed explanations and follow-up questions. The goal is to build the kind of active scientific reasoning that Cambridge tests through the ESAT, interviews and supervision-style study.
Section 12
29 colleges offer this subject. ~25% (unverified estimate) of applicants submit an open application. 19% (October 2024 applications placed in the January Winter Pool) of places come through the pool.
Cambridge has 29 undergraduate Colleges listed for this field.
The Winter Pool allows strong applicants to be considered by other Colleges if their original College is impressed but cannot make an offer.
For Natural Sciences, College choice affects interview arrangements, pastoral setting, accommodation and small-group teaching environment, but it should not be treated as a tactical shortcut.
Choose a College you would be happy to live in. The Pool means College choice is not the only factor for strong applicants, but it does not make College choice irrelevant.
Section 13
Where graduates of this course head after leaving — by sector, as reported in the university’s destinations survey.
Full employer lists, median salary bands, and sector notes live on the careers data page.
Discover Uni reports that 83% of Cambridge Natural Sciences graduates were in work and/or study 15 months after the course in the 2022-23 dataset.
In reality, the course keeps several routes open. That breadth is useful, but it means you should build evidence for the direction you are considering, whether that is research, data, teaching, consulting, software or another technical path.
Section 14
Cambridge considers contextual data as part of holistic assessment, including individual circumstances, school or college context and geodemographic indicators.
Relevant individual circumstances may include care experience, refugee or humanitarian protection status, estrangement, free school meals or significant disruption to education.
For Natural Sciences, applicants whose school could not offer a relevant recommended subject should make that clear through the UCAS reference or other Cambridge-requested information.
Watch & Learn
Student vlogs, mock interviews, lecture tasters, and admissions advice.
Overview of the Natural Sciences course and the breadth of subjects studied in the first and second years.
MIT OpenCourseWare introduction to a structured classical mechanics course.
A university-level introduction to quantum superposition, useful for mathematically confident physics applicants.
A Royal Institution lecture connecting quantum theory with biological processes.
A visual overview of chemistry and its major subfields.
All videos are the property of their respective creators.
Further Reading
Super-curricular reading, websites, and tools recommended by our expert tutors.
by University of Cambridge
The core official page for course structure, entry requirements, admissions test, written work, and careers information.
by University of Cambridge
The most important current source for ESAT modules, timing, registration, and preparation guidance.
by Isaac Science / University of Cambridge
High-quality problem solving across physics, chemistry, biology, and maths.
by Richard P. Feynman, Robert B. Leighton and Matthew Sands
A challenging conceptual physics resource for applicants exploring physical Natural Sciences.
by James Keeler and Peter Wothers
A strong bridge between school chemistry and university-style chemical reasoning.
by MIT OpenCourseWare
Good preparation for applicants who want to extend mechanics beyond school level.
by Nature
Useful for keeping up with current scientific research across disciplines.
by Cambridge Chemistry Challenge
A good chemistry challenge for applicants interested in applying school chemistry to unfamiliar problems.
Free Resource
Free Admissions Newsletter
Weekly tips on Natural Sciences admissions, application deadlines, and interview prep — straight from Cambridge graduates.