Our Approach
We take a fabric-first, performance-led approach to building, focusing on the fundamentals that make a home comfortable, efficient and healthy to live in.
By combining Passivhaus principles, building science and skilled craftsmanship, we create spaces that perform exceptionally while remaining calm, considered and beautifully built. Every decision is made with long-term value, sustainability and everyday wellbeing in mind.
From the Founder
A Thoughtful, Performance-Led Way of Building
“Buildings should quietly support the way people live. When a home is comfortable, efficient and thoughtfully built, it fades into the background and simply feels right. That’s the standard we aim for on every project.”
Joshua Day
Founder & Director
Our Difference
What sets Myzsa apart is our focus on how homes actually feel to live in. We don’t chase trends or shortcuts. Instead, we prioritise comfort, performance and clarity at every stage of the process.
By combining Passivhaus-led thinking, rigorous quality control and a genuinely collaborative approach, we deliver homes that are calm, efficient and built to last. The result is not just a better building, but a better everyday experience.
Performance First
We focus on the fundamentals that truly matter, creating homes that are comfortable, efficient and consistent all year round.
Clarity Throughout
From first conversations to final delivery, we prioritise clear communication, honest advice and a calm, well-managed process.
Built to Last
Every decision is made with long-term quality in mind, ensuring your home performs reliably and ages beautifully over time.
Our Commitment
We’re committed to building responsibly, thoughtfully and with purpose. From the materials we choose to the standards we uphold, every project reflects our dedication to comfort, sustainability and long-term performance.
Our aim is to create homes that have a positive impact on the people who live in them and the environment they belong to.
“From our first conversation to the final handover, the whole experience felt calm and well managed. Everything was clearly explained and we always felt informed. The house is incredibly comfortable and performs better than we imagined. We wouldn’t hesitate to recommend Myzsa.”
Sarah Collins
New Build Construction
“We were nervous about extending our home, but Myzsa guided us through every step with clarity and care. The workmanship is exceptional and the finished space feels seamless, warm and thoughtfully designed. It’s completely transformed how we live in our home.”
James Thornton
Conversion & Extension
“The retrofit has made a huge difference to our day-to-day comfort. The house is warmer, quieter and far more efficient. The team explained the process clearly and delivered exactly what they promised. It’s one of the best decisions we’ve made.”
Emma Richardson
Retrofit (EnerPHit)
“From start to finish, the process was professional and transparent. The attention to detail and focus on performance really stood out. Our home now feels solid, comfortable and future-proofed. We felt confident in their expertise throughout.”
Mark Evans
Building Fabric & Renewables Upgrades
“Achieving Passivhaus certification felt daunting at first, but Myzsa made the process clear and manageable. Their quality control and testing gave us total confidence, and the final result speaks for itself. The performance of the building is outstanding.”
Laura Bennett
Passivhaus Certification & Quality Control
“What impressed us most was how listened to we felt. Every decision was explained, and the result is a home that feels calm, efficient and beautifully built. The experience was smooth from beginning to end, and the quality is evident in every detail.”
David Walker
New Build Construction
“Our values shape every decision we make. We believe in doing things properly, taking responsibility for our impact and building homes that genuinely improve people’s lives. When you stay true to those principles, quality and trust naturally follow.”
Joshua Day
Founder & Director
© 2025 MYZSA Group Ltd. All rights reserved