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Chainsaws are powerful and versatile tools, but they also carry significant risks if used without proper training. In the UK, formal chainsaw qualifications are essential for anyone working with them professionally, ensuring both safety and compliance with industry standards. Among the most recognised starting points are the CS30 and CS31 courses, which lay the foundation for safe and effective chainsaw operation.
While the two qualifications are closely linked, they focus on different skill sets. Understanding the difference between CS30 and CS31 is key to choosing the right training path, whether you are new to chainsaw use or looking to advance your skills. In this post, we’ll break down what each course covers, how they compare, and how to decide which one is right for you.
The CS30 qualification, sometimes referred to as Chainsaw Maintenance and Cross-Cutting, is the starting point for most professional chainsaw operators. It teaches the essential skills required to maintain a chainsaw, keep it in safe working condition, and use it correctly for basic cutting tasks.
During the course, trainees learn how to carry out routine checks, sharpen the chain, and safely start and handle the saw. The practical element focuses on cross-cutting timber on the ground, rather than felling standing trees. This makes CS30 an essential foundation before progressing to more advanced chainsaw operations such as tree felling.
Assessment is typically completed through the NPTC (City & Guilds) certification process, which involves demonstrating both maintenance knowledge and safe cutting techniques under observation. Once achieved, the qualification confirms that you can competently and safely maintain and use a chainsaw in ground-based situations.
If you are considering CS30 training, our chainsaw courses provide a structured pathway delivered by experienced instructors, ensuring you gain the practical knowledge and confidence to use a saw safely.
The CS31 qualification, also known as Felling and Processing Trees up to 380mm, builds on the foundations of CS30. While CS30 focuses on maintenance and cross-cutting, CS31 takes trainees into the woodland environment, teaching how to safely fell and process small trees.
Key skills covered include assessing a site before felling, planning the correct felling direction, making accurate felling cuts, and handling timber once the tree is down. The course also teaches the use of felling aids and introduces trainees to safe snedding and debranching techniques. These are critical skills for anyone working in forestry, utilities, or land management.
As with CS30, assessment is carried out through an NPTC (City & Guilds) practical test. Successful candidates gain formal recognition that they can safely and competently fell small trees, working to industry safety standards.
For those who already hold CS30 and want to progress, we provide comprehensive chainsaw and arboricultural training at our Preston centre. Our courses are designed to meet both regulatory requirements and real-world job demands.
| Aspect | CS30 | CS31 |
|---|---|---|
| Focus | Chainsaw maintenance and cross-cutting timber on the ground | Felling and processing trees up to 380mm diameter |
| Skills | Maintenance checks, sharpening, safe starting, handling, cross-cutting | Site assessment, planning felling cuts, directional felling, snedding and debranching |
| Environment | Ground-based, no tree felling involved | Woodland or outdoor environment, live tree felling |
| Assessment | NPTC test on maintenance and cross-cutting | NPTC test on safe felling and timber processing |
Deciding whether you need CS30, CS31 or both depends on your current skills, the type of work you plan to carry out, and industry requirements. For complete beginners, CS30 is the natural starting point. It provides the essential knowledge and practical experience for safe chainsaw use, which is often a prerequisite for any further training.
If your role involves tree felling, then CS31 is the next logical step. Many employers and contracts require both CS30 and CS31 as the minimum standard for ground-based chainsaw work. Together, these qualifications show that you can not only maintain and operate a chainsaw, but also safely fell and process smaller trees in line with best practice.
It’s worth considering your career pathway. If you aim to move into forestry, utilities, or arboriculture, completing both courses opens more opportunities and ensures you meet compliance requirements from the outset. For those who already hold CS30, adding CS31 is a strong investment in professional development.
At Great Oaks, we can help you to identify the right course for your needs. Whether you’re starting out with CS30 or progressing onto CS31, taking one of our chainsaw courses and gaining an NPTC certificate can help you to take the next steps in your career.
In the UK, chainsaw work remains one of the most hazardous occupational activities in tree work. The Health and Safety Executive (HSE) reports that the vast majority of fatal and major injuries in tree work involve chainsaw operations, often caused by taking shortcuts or failing to follow safe practices.
Between April 2000 and March 2013, tree work activities resulted in 60 fatalities and many thousands of serious injuries, making the injury rate noticeably higher than in the construction industry.
Under UK law (specifically PUWER 98), anyone operating a chainsaw at work must have received adequate, relevant training and be competent for the specific tasks they’re performing. The HSE’s guidance reinforces this, noting that formal competence should be demonstrated through a recognised certificate or national competence award.
The NPTC City & Guilds CS30 and CS31 qualifications meet this requirement by ensuring operators are both knowledgeable and practically skilled. They are widely accepted as the minimum standard for ground-based chainsaw work.
For a wider look at how these fit into arboriculture pathways, see our guide to tree surgeon qualifications and forestry training.
At Great Oaks, we deliver CS30 and CS31 training designed to meet the highest safety and compliance standards. Our courses are led by experienced instructors who bring years of practical industry knowledge, ensuring that trainees leave with the confidence and competence needed to work safely.
Training is delivered in a practical, hands-on format, reflecting real working conditions. We focus on developing both technical skills and safe working habits, so that learners are prepared not only for assessment but also for day-to-day operations.
By choosing us, you benefit from structured training pathways that support both entry-level learners and those looking to progress their careers. You’ll also gain access to our comprehensive e-learning portal, which provides you with useful training materials even after your course is finished, helping you to keep your skills sharp for years to come.
Do I need CS30 before CS31?
Yes. CS30 is a prerequisite for CS31, as you need to demonstrate competence in chainsaw maintenance and cross-cutting before progressing to tree felling. Taking both together is common, as it provides a full foundation for ground-based chainsaw work.
How long does the training take?
Training duration varies, but most CS30 and CS31 courses can be completed in a few days each, depending on your experience level. Most of our courses have a maximum number of two candidates, ensuring that you’ll get more focused instruction and a better learning experience. To get detailed information about specific courses, simply get in touch with our team.
Are refresher courses required?
While CS30 and CS31 qualifications don’t expire, industry best practice recommends refresher training every few years to keep skills sharp and aligned with the latest safety standards. At Great Oaks, we help arborists and tree surgeons to stay on top of their continuous professional development, including offering arb refresher courses.
What PPE do I need?
Chainsaw use requires the correct personal protective equipment, including chainsaw boots, protective trousers, gloves, a helmet, and ear and eye protection. Those taking a course with Great Oaks must ensure that all PPE is in a safe condition and purchased from a reputable supplier.
Are there advanced courses beyond CS30 and CS31?
Yes. Once these entry-level qualifications are complete, you may wish to progress to further NPTC certification courses, including tree climbing and aerial rescue, use of a chainsaw from a rope and harness, and use of woodchippers.
Has the name or unit code for CS30 and CS31 changed?
Yes. While we often still call them CS30 and CS31, the official qualification codes have been updated:
You may also hear them referred to by the units that you will be assessed against. For CS30, this will be unit 201. Meanwhile, unit 202 is equivalent to CS31.
Most of our trainees (and many employers) still refer to them as “CS30” and “CS31” because these terms remain embedded in the industry.
Choosing between CS30 and CS31 depends on your experience, responsibilities, and future career path. CS30 provides the essential grounding in maintenance and safe use, while CS31 takes you further by teaching how to fell and process small trees. Together, they form the core qualifications that many employers and contracts require for professional chainsaw work.
Investing in the right training not only keeps you compliant but also helps build confidence and reduces risks on site. At Great Oaks, we guide trainees through every stage of the process, from selecting the right course to achieving certification. If you are ready to start or progress your chainsaw training journey, explore our training services or get in touch with our team to discuss your needs.
Our Training Centre in Preston is ideally placed for learners across Lancashire and the North West.
We regularly train candidates from:
Preston
Blackpool
Chorley
Lancaster
Blackburn
Southport
Courses take place in real woodland environments and are led by instructors with years of field and teaching experience.
Great Oaks Tree Services & Training Academy is based in Kirkham, near Preston, and delivers NPTC chainsaw courses to learners across the North West. Whether you’re searching for chainsaw training in Lancashire or need certification near Preston, we’re your trusted training provider.
01772 369694 ✉️ training@greatoakstreeservices.co.uk
01772 369694 ✉️ training@greatoakstreeservices.co.uk
We license Great Oaks training centres in protected territories across the UK, for experienced NPTC qualified professionals and for arb contractors who want to train their own teams. Read about the franchise.
Careers
Climbing, grounds maintenance and utility work.Climbing, grounds and utility work.
Arboricultural Association Approved Contractor.
Last minuteAvailability
Starts Monday 19 October 2026
3 days plus 1 for assessment
£9671 place
Entry requirements: Ground Based Chainsaw Operator and Tree Climbing and Aerial Rescue
Book this date, Using a Chainsaw from a Rope and HarnessOr call the training office on 01772 369694
