about us: Our practice and TEAM

Diarmuid Reil Architects treats every brief individually and strives to provide bespoke design solutions for every project.

About us: practice | the team | clients

Our
practice
ethos

We believe that good design, architecture and urban design makes a huge difference to all our lives. But it shouldn’t cost the earth, it pays for itself. We treat each brief individually and create bespoke design solutions for every project. Our approach is founded on working with our client to develop a detailed design brief. Through this process, we understand our client’s needs and aspirations.

Our work is based on a contextual approach to architecture and urban design. Informed by; urban, social, economic and environmental context. With sustainability a core principle of our design process — not an add-on service.

Truly understanding the projects’ context allows us to deliver a successful creative response to the client’s requirements. We are driven to exceed our client’s expectations.

Clarity of the design process is key. Clear project management and cost control ensures the delivery of projects within the agreed time and budget constraints. We ensure ongoing dialogue and partnership between all project stakeholders; clients, design team and construction team. Our approach has resulted in the successful completion of many projects.
We have been recognised in architectural journals and design awards. Ultimately, it’s client satisfaction that propels us forward.

meet the team

Diarmuid Reil

Diarmuid Reil

Director
Diarmuid Reil, Director, is an Architect and Project Manager who has worked on a wide range of projects in the residential, commercial, public, conservation, healthcare and pharmaceutical fields over the past 25 years. He is an advocate for the general practice of architecture and believes that variety in practice allows the architect to approach all new projects with a fresh outlook and non-prescriptive approach.
Conor Hogan

Conor Hogan

Director
Conor Hogan, Director, is an Architectural Technologist with a comprehensive technical knowledge of design and construction and a strong background in the residential, industrial, commercial and pharmaceutical sectors. With a methodical and thorough approach to his work, Conor optimises project design and deliveries to the benefit of his clients, from early sketch scheme right through to project handover.
Sarah Kingston

Sarah Kingston

Architect
Sarah is a RIAI Registered Architect who joined Diarmuid Reil Architects in 2018 and since then has worked on a wide range of projects in the pharmaceutical, commercial and residential sectors. Her work ranges from the initial design stage all the way through to project management on site. Sarah has a keen eye for detail which enables her to bring her talents to every stage of the project and culminates with particular emphasis on finished details and interiors.
Gary Chapman

Gary Chapman

Associate Director
Gary is a RIAI registered Architectural Technologist with a thorough knowledge of technical design, construction and regulation. He graduated from WIT in 2007 and has experience in the local government, residential, healthcare, food science and pharmaceutical sectors. Gary brings substantial international experience to the business having worked in Australia for six years on projects ranging from mining and infrastructure to conservation and heritage.
Joe Kelly

Joe Kelly

BIM Manager
Joe is an Architectural & BIM Technologist and he has worked on an extensive range of projects since joining the practice in 2017. Joe has a very high level skill set in both AutoCAD and Revit and has a particular focus on BIM implementation. He has taken projects from commencement to comply with BIM Level 2 standards. Joe's work provides exciting visualisations of projects to aid design development and provide clients with a clear understanding of design proposals.
Jack Power

Jack Power

Architectural & BIM Technologist
Jack is an Architectural & BIM Technologist who joined Diarmuid Reil Architects in 2024, having previously completed work placement in 2023. Jack graduated from Munster Technological University’s RIAI-accredited honours degree programme in 2024. Jack has worked on varied range of projects from residential to pharmaceutical. Jack has a solid grasp of detail design thanks to his WCFE Construction Technology certificate and practical experience working as a general operative. With an interest in 3D modelling, Jack uses his competence in Revit and Enscape to effectively collaborate with the team on design proposals.
Louis Devane

Louis Devane

Graduate Architect
A recent graduate of the Bachelor of Architecture (Honours) from South East Technological University, Louis has a strong passion for design and craftsmanship. An active member of the European Architecture Student Assembly (EASA), Louis is also an organizer for EASA Ireland 2026, showcasing a commitment to fostering collaboration and innovation in the architectural community. He brings a creative approach to design, blending technical expertise with a deep appreciation for materiality and craft.
Gary Chapman Architectural Technologist at Diarmuid Reil Architects Waterford
Diarmuid Reil
Diarmuid Reil, Director, is an Architect and Project Manager who has worked on a wide range of projects in the residential, commercial, public, conservation, healthcare and pharmaceutical fields over the past 25 years. He is an advocate for the general practice of architecture and believes that variety in practice allows the architect to approach all new projects with a fresh outlook and non-prescriptive approach.
Joe Kelly Architectural & BIM Technologist at Diarmuid Reil Architects
Joe Kelly
Joe is an Architectural & BIM Technologist and he has worked on an extensive range of projects since joining the practice in 2017. Joe has a very high level skill set in both AutoCAD and Revit and has a particular focus on BIM implementation. He has taken projects from commencement to comply with BIM Level 2 standards. Joe's work provides exciting visualisations of projects to aid design development and provide clients with a clear understanding of design proposals.
RIAI Registered Architect 2022
Conor Hogan
Conor Hogan, Director, is an Architectural Technologist with a comprehensive technical knowledge of design and construction and a strong background in the residential, industrial, commercial and pharmaceutical sectors. With a methodical and thorough approach to his work, Conor optimises project design and deliveries to the benefit of his clients, from early sketch scheme right through to project handover.
Sarah Kingston Architect at Diarmuid Reil Architects
Sarah Kingston
Sarah is a RIAI Registered Architect who joined Diarmuid Reil Architects in 2018 and since then has worked on a wide range of projects in the pharmaceutical, commercial and residential sectors. Her work ranges from the initial design stage all the way through to project management on site. Sarah has a keen eye for detail which enables her to bring her talents to every stage of the project and culminates with particular emphasis on finished details and interiors.
Collette Dormer Arch. Tech. at Diarmuid Reil Architects
Collette Dormer
Collette is an Architectural Technologist, graduating from WIT in 2014. Since then she has gained experience in many sectors from commercial to residential and joined DRA soon after its formation in 2017. Collette has developed a very high level of AutoCAD skills and construction knowledge and couples these skills with her elite level sporting background to maximise her teamwork ethics. This ensures each design is successfully implemented to the highest standard.
Gary Chapman Architectural Technologist at Diarmuid Reil Architects Waterford
Gary Chapman
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Niamh Crowley Architect at Diarmuid Reil Architects Waterford
Niamh Crowley
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Pharmaceutical and Lifesciences

Sanofi Innovation Centre

Case study
Retail and Commercial

Cyril Morgan Hair

Case study
Pharmaceutical and Lifesciences

Bausch + Lomb Area 9

Case study
Social housing

Larchville

Case study
Pharmaceutical and Lifesciences

Bausch + Lomb Area 10

Case study