the UK's premier deaf and disabled support service

Level 4 Certificate in British Sign Language with Interpreting

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“Signature are passionate about increasing the number of BSL users across the UK. Appa me are one of our fantastic centres who contributes towards us doing this, delivering a range of BSL courses with great dedication and commitment”
– Lindsay Foster Executive Director

Welcome to the information page for Signature Level 4 Certificate in BSL with Interpreting

Based in South East London appa is pleased to offer you a Signature verified Level 4 British Sign Language with Interpreting course developed by Signers working professionally in the field of British Sign Language.

Language Course

Our Level 4 course is designed to fully equip you with the language theory and linguistics to qualify as a trainee interpreter. Traditionally people would do Level 3 in BSL, then Level 6 in BSL and then Level 6 BSL Interpreting.

The favoured route at appa is Level 3 in BSL, Level 4 in BSL with Interpreting and the Level 6 Interpreter programme. These courses, tier specifications and requirements are superior to the older pathway. You get better-designed theory and more relevant interpreter training.

Accreditation and faculty

The course is Signature accredited and designed by our multi-talented in-house team of teachers, interpreters, working professionals and disability advocates. The taught sessions are delivered by a range of qualified teachers who themselves are also out there in the field as professional BSL interpreters or are themselves deaf.

The course has been crafted to give you the very best in learning how to refine your British Sign Language skills to operate at a professional level with deaf BSL users. To learn the things we wish we had been taught when we started.

The Units you will learn are;

Unit QAN unit number Unit title Assessment
BSL420 H/506/3790 Extended sign language linguistics Portfolio
BSL421 M/506/3808 Understand extended British Sign Language in a range of work and social situations Portfolio
BSL422 L/506/3833 Use extended British Sign Language in a range of work and social situations Portfolio
BSL423 T/506/3924 Introduction to Interpreting Portfolio


Study Tips

This course delves deep into the Linguistics and Grammar of BSL. All students will be given a copy of “The Linguistics of British Sign Language” by Rachel Sutton-Spence and Bencie Woll.

This is a 300 page text book, if you can borrow a copy before the class then go for it!

Qualification objectives

This course is designed for those who work with, or want to work with, Deaf people (e.g. social workers, teachers of the Deaf, communicators, voluntary workers, workers within Deaf organisations, schools, etc.), those who wish to expand their knowledge and skills in British Sign Language, and those who are interested in a career in interpreting. Successful completion of this qualification can be used as evidence of the language skills needed, in order to be able to operate independently and at an advanced level in the target language

Course Details

Assessment is compulsory for unit and consists of a half day interview and written assessment. The fee for this is;
However, if you pass and sign up for the course you will be refunded for that assessment.


Please click the Apply button to access our Course Application Form. You can fill it out and submit it online, we’ll then reply with your invoice and a payment link.

To apply please use the buttons to either apply directly or to contact us first. Please, please leave us your phone number. We PROMISE to only use it for dealing with this enquiry and that we will not share or spam it. Experience has shown us that email is so prone to spam that our emails often get filtered out and lost.

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