SUSTAINABLE ARCHITECTURE
Dream It. Design It. Build It.
Design Consultancy
Bespoke design advice and strategic guidance to help bring your project from concept to completion. We work closely with clients to develop practical, innovative, and sustainable design solutions.
Planning Submissions
We know our way around the planning system and will happily ease
you of this potential burden. We act and negotiate always on your
behalf and take care of all the forms, submissions, documentation
and any other associated paperwork
Energy Audits
Sustainability runs through our core so we love to see how we can
help you make cost and environmental savings. We look at every
aspect of the building and report on existing consumption as well as
what your projected consumption could be, with energy fixes in place
Feasabilty Studies
Comprehensive assessments to determine the viability of your proposed project. We identify opportunities, constraints, costs, and potential risks before significant investment is made.
Contract Administration
Create your dream home from the ground up. We blend innovative design with functionality to craft beautiful, efficient living spaces that stand the test of time.
Dilapidation Reports
Thorough inspections and reports documenting the condition of a property before, during, or after occupancy. These reports help protect the interests of landlords, tenants, and property owners.

Award Winning
Architectural Design Practice
Tangent Space earned a Highly Commended honor at the Sussex Heritage Trust Awards for the restoration of one of Rotherfield’s oldest buildings. The project rescued a neglected Grade II listed building, transforming it into a vibrant community hub and the Courtyard Café
Featured Projects
Sustainble Designs, Low Impact: Our Latest Architectural Endeavors

Barn Conversion
A cozy development of 15 single-family homes nestled among mature maple trees, offering a perfect blend of natural beauty.

Whole House Refurbishment
A modern complex of 30 eco-friendly houses along the riverside, featuring shared green spaces and a community boathouse

Community Cafe
A boutique collection of 10 luxury condominiums overlooking the city’s central park, offering premium amenities and panoramic views.
What our customers are saying

Christine Clark
CEO of Skyline
Ona Architecture’s community-first approach set them apart. They listened to residents’ concerns and incorporated our feedback at every stage. The resulting community center has become the heart of our neighborhood.

Sarah Chen
Horizon Properties
Ona Architecture transformed our vision into reality with their innovative sustainable design approach. Their attention to detail and commitment to environmental consciousness resulted in a building that not only looks stunning but also achieved LEED Platinum certification.

Marcus Rodriguez
Metropolitan Council
Working with Ona Architecture on our downtown revitalization project was a game-changer. Their ability to blend modern design with historical preservation created a perfect harmony that has revitalized our city center.

Emily Weber
Tech Innovations
The team at Ona Architecture designed our new headquarters with incredible vision. They created a space that perfectly reflects our company culture while maximizing productivity and employee well-being. The result is simply breathtaking.
Discover how we can bring your architectural dreams to life.
From concept to completion, we’re with you every step of the way. Ready to start your journey? Contact us today for a free consultation and let’s create something extraordinary together.
25+ Years of Excellence
1,564+ Satisfied Clients
50 Industry Awards


