architect-designed-houses-donegal-derry-and-tyrone - Wilderness Farm House Teach Feirme an Fhiántais - A modern farmhouse with a dark wood-clad exterior, large glass windows, and interconnected pitched roofs, set in a rural landscape with tall grasses and rolling hills under a cloudy sky.

USONIA ARCHITECTS

Donegal Architects – Derry Architects

Based in County Donegal, we work throughout counties Derry, Donegal & Tyrone in Letterkenny, Buncrana, Carndonagh, Moville, Inishowen, Donegal Town, Derry, Strabane, Omagh and the wider northwest. We provide planning advice, architectural design and professional support for new homes, extensions, commercial developments and property conversions.

Donegal architect designed luxury courtyard house with white rendered walls, slate roof, glazed balcony and contemporary farmhouse design.

NEW HOMES

Every home begins with understanding your site, your family and your aspirations. We design homes that balance your goals, functionality, planning requirements, and long-term value. What to know more about what we can do for you? See Our Portfolio

Donegal architect designed contemporary hillside house with natural slate roof, large glazing and modern farmhouse design.

PLANNING PERMISSION

Modern community playgroup building designed by Usonia Architects in County Donegal, Ireland, featuring contemporary architecture for preschool and early years childcare.

COMMERCIAL PROJECTS

Hotels, cafés, retail units, residential and apartment developments and commercial developments each bring their own planning and regulatory challenges. We’ve helped clients navigate those challenges from concept to completion. See Our Portfolio

Refurbished vacant property in Donegal transformed into a modern family home

Advice for
Vacant Property Refurbishment Grants & Vacant Above the Shop Conversion Grants

Foundation construction for a new architect-designed home in Donegal showing reinforced concrete strip foundations before ground floor construction.

Thinking of Building, Extending or Renovating?

✔ Site appraisals

✔ Planning applications

✔ House designs

✔ Extensions

✔ House designs

✔ 3D Visualisations

✔ Detailed construction drawings

✔ Commercial developments

✔ Measured surveys

✔ Site surveys

✔ Fire certificates

✔DAC certificates

✔ Project management

✔ Assigned certifier services

Hillside House Donegal overlooking Lough Foyle – contemporary architect-designed country home by Usonia Architects with natural stone, white render and slate roof.
PRIVATE HOUSES / RESIDENTIAL
Contemporary split-level country house designed by Donegal architects, built into a sloping hillside with natural stone, large glazing and panoramic countryside views.
PRIVATE HOUSES / RESIDENTIAL
Derry Architects - House Extension to semi detached house Derry
EXTENSIONS & RENOVATIONS
Modern Extension to Rear of House by Derry Architect Usonia Architects
EXTENSIONS & RENOVATIONS
Derry Architect Playgroup Design
COMMERCIAL
Donegal Architects Farm Shed by Usonia Architects
AGRICULTURAL
Foyle Mews, an exclusive residential development in Derry by Usonia Architects
ARCHITECTURAL & MARKETING SERVICES FOR HOUSING DEVELOPERS
Derry Architect  Interior Design
INTERIOR DESIGN
Donegal Architects and Surveyors
SURVEYING
Donegal Architects Fire Cert and DAC applications
FIRE CERT & DAC APPLICATIONS

Usonia Architects Ltd is a design-focused architectural practice serving Counties Donegal, Derry, and Tyrone. Based in Moville, we help homeowners and developers achieve innovative, energy-efficient buildings that respond to place, climate, and lifestyle. Whether you’re extending a home in Buncrana, building new in Omagh, or navigating planning in Letterkenny, we can provide a full range of architectural, surveying and associated services from project inception to completion on site. Call or email us to arrange a meeting in person or online. See our Contact details below to discuss your domestic and commercial projects in, Derry, Donegal & Tyrone.

Architects Registered to Practice in Ireland North & South

Our aim is to provide design excellence and a professional service tailored to your needs and budget.

Interior Design Consultants & Visualisers

Bring home interiors to life with beautifully rendered interior images and videos.

Planning Supervisor Design Process (PSDP)

Have confidence that Safety & Health is prioritised when we are appointed your project PSDP.

Digital Mapping, Land & Building Surveyors

We can digitally survey levels & boundaries and provide measured drawings and fabric condition reports for buildings both domestic and commercial.

Fire Cert & DAC Consultants

We can prepare Fire Cert applications for both new and regularisation applications & Disability Access Certificate applications.

contact us

Call or email and we can arrange an in person or online meeting to discuss your ideas and the feasibility of your project.

George McGuinness

C Maurice Gorman MRIAI

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