Washington DC • Northern Virginia • Maryland
Thoughtful, High-Performance Custom Homes, Designed for How You Actually Live.
Founder-led architecture practice specializing in ground-up custom homes for clients who value health, comfort, and long-term quality along with an exceptional and personal design experience.
Planning a ground-up custom home
Looking for a premium, architect-led process
Interested in health, comfort, and long-term performance
Willing to invest time upfront to make good decisions and avoid costly mistakes
Is this Introductory Planning Call Right For You?
This 15–30 minute call is simply a way to:
Talk through what you’re planning
Share early thoughts on feasibility and approach
See if our priorities and expectations align
This is not a sales call.
No preparation is required, and there’s no obligation to move forward.
A well-designed home should feel calm, intuitive, and enduring.
It should support health, comfort, and the way your life actually unfolds.
I design custom homes through a thoughtful, deliberate process — balancing beauty, performance, and livability while helping clients avoid costly missteps.
Architecture That Supports Daily Life Not Just First Impressions
A Truly Personal Architect-Client Collaboration
You work directly with me, Kacper Lastowiecki, the architect designing your home from first conversation through construction.
No hand-offs.
No junior teams.
Just clear communication, shared decision-making, and focused attention.
This level of involvement leads to better outcomes and a better experience.
As a WELL Accredited Professional, design decisions are informed by evidence-based principles related to:
Indoor air quality & ventilation
Healthy, low-toxicity material strategies
Daylighting & circadian considerations
Thermal comfort & acoustics
Building envelope performance
These strategies are embedded into the architecture; never treated as optional upgrades.
Wellness-Centered Design, Integrated From Day One
A Thoughtful, Architect-Led Process
Introductory Planning Call
Alignment on goals, site, budget, and overall fit.
Concept Design
Massing, spatial relationships, light, and lifestyle patterns.
Design Development
Structure, systems, materials, and performance strategies.
Construction Documentation
Detailed drawings for permitting and accurate pricing.
Construction Administration
Ongoing involvement to ensure quality and protect intent.
What Clients Value
“Kacper helped us create our dream home. The process was amazingly smooth working with him. You know what it will cost, what each step entails, and what you will receive. He’s really well versed in sustainable and healthy options as well as efficiency concerns. Perhaps more importantly, he’s creative!”
— J.M.“…it’s clear from day one that this place was created with real intention. The layout actually feels almost ergonomic—every space is purposeful, the flow makes sense, and natural light moves through the rooms beautifully.”
— P.S.“The natural light, thoughtful layout, and beautiful finishes make it feel both modern and welcoming. You can tell how much care and craftsmanship went into every detail. It’s such a comfortable, happy place to come home to — we’re really grateful for the quality and design that Kacper put into it.”
— O.S.