Build School - Level 1
Learn the fundamentals of construction at our 5-day building course, combining theory-based sessions with hands-on building experience.
Build School was created by our co-founder and lead instructor of Build School, Harrison Gardner - a builder, educator, and author of Build Your Own.
Over 600 people have taken part since 2021, reporting a 100% uplift in their confidence to take on building projects.
Here’s what some previous students had to say about their experience:
An introductory course for beginner builders
Whether you're just starting with DIY or preparing for a self-build or renovation, Build School will give you the skills and knowledge to take charge of your project and shape it with confidence. It’s suitable for all levels and beginner builders are always very welcome.
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“Build School was an amazing experience. I learned so much, with brilliant instructors and a great mix of people. The hands-on experience was priceless. I’d never even picked up a drill before, but by Thursday I was cutting and installing roof trusses, something I never dreamed I could do!”
- Niamh, August 2023
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“I’ve already broken even with the jobs I’ve tackled myself that I would have hired someone for before. Build School has been a huge boost to my confidence.”
- Paul, June 2023
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"I now feel equiped in properly and clearly communicating with trades-people. This will save me a lot of time and money in the future, I now understand when I’ll need them and what exactly needs to be done."
- Luke, May 2024
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"An empowering course that has given me more agency over my home renovation plans. Well worth it!"
- Audrey, October 2024

Learn the basics of construction
✔ An understanding of foundations, structural design, insulation and roof construction
✔ An introduction to plumbing and electrics
✔ Timber framing and earth building techniques
✔ Water management and renewable energy systems
✔ Practical skills with power tools and a range of materials
In The Classroom: The Theory of Construction
Whether you’re preparing for a self-build or exploring future possibilities, you’ll gain the knowledge to take control of your project and shape it with confidence. At Build School, our theory modules provide a strong foundation in the principles of self-building and design.
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Understanding forces, materials, and design for better buildings.
Learning Outcomes
- Understand how forces affect building structures.
- Evaluate materials for their strength under tension and compression.
- Apply principles of foundation types and load distribution.
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Understanding heat movement and improving building insulation.
Learning Outcomes
- Understand the mechanisms of heat flow: conduction, convection, and radiation.
- Explain the concepts of thermal conductivity and thermal resistance.
- Identify materials with high thermal mass and insulation properties.
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Eco-friendly solutions for water management in self-builds.
Learning Outcomes
- Understand self-build and eco-friendly water treatment solutions.
- Identify pollution pathways affecting water quality.
- Explain how a standard septic tank works.
- Assess sustainable wastewater treatment option
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Fundamentals of electrical systems and energy management
Learning Outcomes
- Understand circuits, resistance, and power.
- Compare AC and DC systems.
- Learn electricity generation, storage, and conversion.
- Assess energy needs and size solar systems.
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Designing and building durable, efficient roofs.
Learning Outcomes
- Design roofs considering load, insulation, and weather.
- Calculate roof pitch for stability and drainage.
- Select cladding materials for durability and efficiency.
- Plan for water catchment and sustainable construction.
On-site: Learn to Handle Tools and Build a Real Building
Build School’s hands-on workshops teach safe and effective tool use, covering essential techniques like building walls and roofs.
You’ll learn about plumbing, electricity, installing insulation, and working with natural materials, empowering you to take charge of your self-build journey. By the end of the week, you will have put your skills in action with the group to build the structure of a 25sqm sample building design we call the Common Cabin.
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Hands-on training for safe and effective tool use
Skill Objectives
- Safely operate drills, saws, grinders, and drivers.
- Understand each tool’s function and best practices.
- Maintain tools for longevity and performance.
- Apply skills to cutting, shaping, and assembling materials.
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Measuring, cutting, and assembling strong timber walls
Skill Objectives
- Construct timber frames with precise measurements and cuts.
- Join and assemble walls for strength and stability.
- Plan layouts for efficient framing and insulation.
- Apply best practices for durable and well-supported structures
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Sealing timber buildings and fitting windows correctly
Skill Objectives
- Install vapour barriers to seal timber buildings from moisture.
- Fit and secure windows for airtightness and insulation.
- Understand condensation, airflow, and energy efficiency.
- Apply weatherproofing techniques for long-lasting durability.
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Designing and constructing strong roof supports and trusses
Skill Objectives
- Measure, cut, and assemble timber trusses accurately.
- Understand load distribution and structural integrity.
- Use proper jointing and fastening techniques.
- Apply best practices for stable and durable roof structures.
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Hands-on training in water systems and pipework
Skills Objectives
- Install and connect pipes for water supply and drainage.
- Understand water pressure, flow, and system design.
- Identify and fix leaks using proper sealing techniques.
- Apply best practices for efficient and reliable plumbing.
How Build School Works
Learn hands-on skills you can apply straight away in real building settings.
Save money from the moment you finish, whether it means doing more yourself or having better conversations with tradespeople.
Meet a supportive community who share your dreams, support each other and work together on the site and beyond.

Meet the Build School Instructors
Our Build School team is a diverse group of experts, each bringing their own unique background and experience to the table. Having instructed and guided over 800 people through Build School, they’re here to share their wealth of knowledge and support you every step of the way.
Build School Success Stories
Build School participants have gone on to construct everything from insulated workspaces to sustainable family homes, using the skills and confidence gained through the program.
“When I went to Build School, I learned the practical skills and confidence needed to take on certain parts of the build myself.
Learning to use tools I had never used before gave me the courage, skills and knowledge I needed to build my home in a less conventional way”
- Dee O’Sullivan
Download our free Self-Builders’ Guide by Harrison Gardner
Subscribe to our Newsletter here to receive your free guide straight to your inbox and start exploring and planning today.

Project Inspiration and Insights
Discover helpful guides, success stories, and expert tips to inspire your journey, whether you're planning, building, or dreaming of your own project.
Stay at Common Knowledge during your course
Nestled at the gateway to the Burren, Build School takes place at Common Knowledge in Kilfenora, County Clare. Surrounded by stunning natural landscapes, you’ll dive into a unique learning experience with comfortable on-site accommodation, nourishing meals, and opportunities to explore the nature trail, sculptures, and The Bog Sauna. Check availability here.
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Stay
Choose our comfortable on-site accommodation with a range of options, from private rooms to shared dormitories. If you prefer, explore nearby Airbnbs or a variety of local stays on Booking.com.Settle
Many Build School participants choose to arrive on Sunday evening, allowing time to unwind, soak in the peaceful surroundings, and begin connecting with others before the week begins.Nourish
Begin your day with hearty breakfasts and nourishing lunches prepared by our Ottolenghi-trained chefs.On Thursday evening, join us for a special group dinner, a moment to connect, share stories, and reflect on the week’s achievements over a delicious meal.
Explore
Step out and explore the beauty of the Burren with a peaceful walk along our nature trail, featuring unique sculptures along the way. Afterward, unwind in the soothing warmth of The Bog Sauna, the perfect way to relax and reflect on your day.
Ready to get started? Enrol here for Build School
For more information about Build School before enrolling, return to the top of the page.