AAT Accounting Advanced Diploma Level 3

The AAT Accounting Advanced Diploma Level 3 course will offer further training in a number of accounting activities. These include the preparation of final accounts for sole traders and partnerships, treatment of VAT, use of spreadsheet software and aspects of costing.

NOTE: There is also a full-time AAT Fast Track course which leads to AAT Diploma in Accounting Level 3 over one year and includes level 2 units in bookkeeping and Sage (computerised accounting). Please visit our website or see the Guide to Undergraduate and Postgraduate Courses for further details.

This course is for learners aged 19 years and over.

Course Content

AAT Accounting Advanced Diploma Level 3 Units studied include:

  • Advanced Bookkeeping
  • Final Accounts Preparation
  • Management Accounting – Costing
  • Indirect Tax
  • Ethics for Accountants (Synoptic)
  • Spreadsheets for Accounting (Synoptic)

Assessment per unit is achieved by external computer based exams.

There is only one opportunity to re-sit an exam and all mandatory units must be completed before the synoptic exam is completed. The dates for exams are set.

The above units may be available to study as standalone modules. Each unit costs £460 and is studied alongside students on the full programme.

Entry Requirements

AAT Foundation, or Certificate Level 2, or an A Level in accounting, including extensive knowledge of double entry bookkeeping. Applicants without the above criteria will be interviewed to assess academic suitability.

Applicants should visit the AAT website and undertake the skills check to ensure that they start at the correct level.

Course Progression

On successful completion, 19+ learners could progress to the Professional Diploma in Accounting Level 4 to gain further accountancy skills that can lead to full membership of the AAT, and to higher professional accounting qualifications.

How To Apply

To apply to study on this part-time course you will need to complete and return the part-time application form in the next menu.

Most part-time courses will start in September, however they can start at various points during the year, and some part-time courses will run more than once per academic year.

Please see the menu below for the next course start date.

Applicants will receive an acknowledgement email or card within one week of the application being received by our Admissions team, if you do not receive this you should contact the team to check that your application has been received. Courses will run subject to sufficient applications being received.

Our aim is to make it as easy as possible to secure your place on your ideal programme. Simply download and complete the part time application form and return it to our Admissions team as early as possible. You can return your completed application form in person or by post to our Colchester (for applications to Colchester and Clacton) or Braintree campuses:

Colchester Institute
Sheepen Road

The College at Braintree
Church Lane

If you have any further questions about the application process or next available start date, want to check the progress of your application or if you are unsure about anything please contact us using the enquiry line or enquiry form below.

If you are ready to apply then please click the ‘Apply for this Part-time Course’ Button in the next menu in order save or print the application form.

AAT Accounting Advanced Diploma Level 3
Course Outline: On successful completion, students could progress to the Professional Diploma in Accounting Level 4
LevelLevel 3
Duration35 Weeks
Study ModePart-Time
CampusColchester Institute
Start DateSeptember 2021
AttendanceLearners have the choice of one of the following attendance modes:
1 Day per week:
Tuesday (10am – 5pm)
Or 2 Evenings (both) per week
Tuesday (6pm – 9pm)
Wednesday (6pm – 9pm)
Fee(s)Self-funded: £2,350*
Advanced Learner Loan: £2,350*
*plus AAT fee. More information on AAT membership and current fees can be found at www.aat.org.uk


All Fees and prices shown on this page are for courses starting in the 2020-21 academic year unless stated otherwise, and are correct at the time of entering/printing information, however these may be subject to change. The College cannot accept legal or financial liability as a result of any such changes.

The course information describes programmes offered by Colchester Institute. The College takes all reasonable steps to provide courses as described, but cannot guarantee provision. The information is for guidance and does not form any part of a contract.

The College reserves the right to update and amend information as and when necessary. Colchester Institute will do its best to provide the courses shown, but may have to modify or withdraw a course depending on customer demand and other factors.