Welcome to the 369 Development Mastery - Your Path to a Profitable Development

Unlock 369 Development Mastery — Build Smarter, Maximise ROI, and Avoid Costly Mistakes

Discover the proven roadmap used by top developers to build high-quality projects on time, under budget, and with serious returns.

Over 60% of UK Projects Go Over Budget — Don’t Let Yours Be One of Them

Research shows that the majority of UK developments exceed budgets by 20–30%, and up to 14% are delayed or abandoned due to poor planning and spiralling costs.

At 369 Development Mastery, we help our clients

save between £50,000 and £100,000 on a typical £400K project — along with

countless hours of stress, confusion, and wasted effort.

✅ This Is Just the Beginning…

If you're serious about turning your development into a profitable, well-managed success — without the costly pitfalls — then the full FREE training is your next step.

Click below to unlock the next modules

and dive deeper into the proven system that’s helped developers save £50,000+ and take total control of their builds.

Now’s the Time for You to Build with Confidence — Backed by John and the 369 Team We're here to educate, empower, and

guide you every step of the way — so you can take control, avoid costly mistakes, and prosper on your development journey

Your Trusted Guide from Concept to Completion

At 369, we're here to help you take control of your development.

Our Development Mastery Programme is built to guide you through every stage — from initial concept to final completion — with proven strategies that make your journey efficient, cost-effective, and stress-free.

Whether you're just starting out or managing multiple builds, we're here to ensure you achieve success with confidence.

Built on Experience. Driven by Your Success.

With decades of hands-on experience working with some of the UK’s largest construction firms, we don’t just offer advice — we bring a proven system backed by real results.

At 369, we become your partner in development, guiding every decision with industry insight, strategic clarity, and a deep understanding of what it takes to build successfully.

Do You Qualify for the Development Mastery Programme?

If you answered "yes" to all the above, congratulations!

You qualify for the programme.

Are you open to learning new skills that will save you time and money?
Willing to be guided by industry professionals with decades of real-world experience?
Ready to face challenges head-on with a positive, can-do attitude?
Committed to delivering your project on time and within budget?
Driven to achieve the highest standards in your build?