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Business Details
32 Years
experience
Trusted Building Services Engineering in Belfast
Established in 1994 and headquartered in Belfast, AH Design specialises in mechanical and electrical services design for buildings, alongside sustainability consultancy. Our team of qualified professionals, led by founding partners Sam Abbas and Anthony Hayes, delivers tailored solutions to diverse clients including government bodies, healthcare trusts, and private sector organisations. With over 25 years of industry experience, we combine technical expertise with innovative technologies like BIM and 3D modelling to meet evolving client needs.

Our ISO 9001 and ISO 14001 accreditations underscore our commitment to quality and environmental standards, while our engineers' Chartered status and BREEAM Assessor qualifications reinforce our authority in sustainable design. We maintain long-term client relationships through continuous project oversight, from concept to completion, ensuring both personal service and technical excellence.
Services
Mechanical Engineering Electrical Engineering BREEAM Assessments Energy Performance Certificates 3D Modelling Lighting Design Project Management Feasibility Studies Condition Reports
Details
  • Year established: 1994
Highlights and features
  • We have over 25 years of experience in building services engineering.
  • Our team includes Chartered Engineers and BREEAM Assessors.
  • We utilise advanced 3D modelling and BIM technologies.
  • ISO 9001 and ISO 14001 certified quality and environmental systems.
  • We provide end-to-end project management from inception to completion.
Associations and certifications
  • ISO 9001
  • ISO 14001
Services
Mechanical Engineering
Our mechanical engineering services encompass heating, ventilation, air conditioning, and plumbing systems. We design energy-efficient solutions for commercial and public buildings, integrating renewable technologies like ground source heat pumps. Our engineers ensure compliance with current regulations while optimising system performance and sustainability.
Electrical Engineering
We provide comprehensive electrical design including power distribution, lighting solutions, and emergency systems. Our expertise covers low and high voltage installations, fire detection, and security systems. We prioritise energy efficiency and future-proofing through smart technology integration in all our electrical infrastructure projects.
BREEAM Assessments
As certified BREEAM Assessors, we evaluate buildings' environmental performance against global standards. Our assessments cover energy efficiency, water usage, and material sustainability. We guide clients through the certification process to achieve optimal ratings while reducing operational costs and environmental impact.
3D Modelling
Our Building Information Modelling (BIM) services create detailed 3D representations of mechanical and electrical systems. Using Revit MEP software, we enhance design accuracy, identify potential conflicts early, and improve collaboration across project teams for more efficient construction outcomes.
Energy Performance Certificates
We produce accredited Energy Performance Certificates for commercial properties, assessing energy efficiency and carbon emissions. Our LCEA-certified consultants provide actionable recommendations to improve building performance, helping clients meet regulatory requirements and reduce running costs.
People
Sam Abbas
Partner & Mechanical Services Lead
Co-founder with over 25 years' experience in mechanical services design. Chartered Engineer and LCEA assessor specialising in low-carbon solutions. Manages ISO quality and environmental systems.
Anthony Hayes
Partner & Electrical Services Lead
Co-founder and BREEAM Assessor with 25+ years' electrical engineering expertise. Oversees financial and marketing operations while delivering sustainable design solutions for diverse building types.
Questions
What services does AH Design offer?
We provide mechanical and electrical engineering design, BREEAM assessments, energy performance certificates, 3D modelling, and project management services.
Which industries do you work with?
We serve healthcare, education, commercial, leisure, and public sector clients across the UK and Ireland.
Are your engineers qualified?
Our team includes Chartered Engineers and BREEAM Assessors with over 25 years of combined experience.
Do you use modern design technologies?
Yes, we utilise Revit MEP, AutoCAD, and BIM for advanced 3D modelling and design solutions.
How do you ensure quality standards?
We maintain ISO 9001 Quality Management and ISO 14001 Environmental Management certifications.