Keenan Lyster & Associates Ltd

Keenan Lyster & Associates is a boutique design practice that brings together planning, engineering and architectural expertise under one roof. With more than 40 years of combined experience, the team works closely with homeowners, developers and contractors to turn ideas into fully realisable projects, treating each brief as if it were their own.

Their core services include bespoke house design, where client visions are refined and delivered within budget, and comprehensive construction supervision that covers detailed drawings, specifications and all paperwork throughout the build. In addition, they offer a full suite of engineering services – from site‑suitability assessments and foundation design to fire certification, structural reports and map certification – ensuring every aspect of a development meets regulatory standards.

Based in Ballymahon, Co. Longford, Keenan Lyster & Associates has earned strong client endorsements for their responsive, professional yet personable approach, helping projects progress smoothly from concept to planning approval and on to successful construction.