Business Details
40 Years
experience
Mechanical & Electrical Engineering Experts in Bradford
Established in 1986, Thornley & Lumb Partnership has built a reputation as a trusted building services engineering consultancy. Our approach combines the personal attention of a medium-sized firm with the technical expertise and resources typically associated with larger organisations. We specialise in mechanical and electrical engineering solutions, delivering innovative designs tailored to the unique requirements of each project. With over 25 years of experience, we have developed a proven track record in sectors including commercial, education, industrial, and residential developments. Our team of 20 professionals includes low carbon consultants and energy assessors registered with CIBSE, enabling us to provide comprehensive sustainability services.We maintain ISO 9001 certification, reflecting our commitment to quality management and client satisfaction. Our projects span the UK, with significant activity in the M25 corridor and locations ranging from Exeter to Aberdeen. We prioritise clear communication, rapid issue resolution, and long-term client relationships, with 80% of our work coming from repeat clients. Our services extend beyond traditional consultancy to include BIM/Revit design, thermal simulation modelling, and building maintenance contract management. Through continuous investment in staff development and technology, we ensure our solutions remain at the forefront of industry standards.
Services
Electrical Engineering
Mechanical Engineering
Environmental Consultancy
BIM Design
Sustainability Assessments
Details
- Year established: 1986
Highlights and features
- 25+ years' experience in building services engineering
- ISO 9001-certified quality management system
- Personalised service with rapid issue resolution
- BIM/Revit design capabilities for modern projects
- CIBSE-registered low carbon consultants
Associations and certifications
- ISO 9001:2000
What people say
Technical expertise
Reliable service
Long-term relationships
Quality solutions
Responsive team
Services
Electrical Engineering
We provide comprehensive electrical engineering consultancy for projects across all sectors. Our services include full design briefs, performance specifications, and on-site supervision for both traditional and design-and-build schemes. With expertise in lighting design and building maintenance contracts, we ensure safe, efficient electrical systems that meet regulatory standards and client requirements.
Mechanical Engineering
Our mechanical engineering services cover heating, ventilation, and air conditioning systems for new builds and refurbishments. We deliver detailed design packages, feasibility studies, and commissioning support to ensure optimal system performance. Our team manages projects from concept to completion, maintaining compliance with current building regulations and sustainability targets.
BIM Design
We offer BIM/Revit design services aligned with government compliance strategies. Our digital engineering approach enhances project coordination, reduces errors, and improves lifecycle management. This technology-driven solution supports complex projects requiring precise 3D modelling and data integration across architectural and engineering disciplines.
Sustainability Assessments
Our CIBSE-registered assessors provide SBEM calculations, EPCs, and sustainability reports. We specialise in dynamic simulation modelling and thermal analysis to optimise building performance. These services help clients achieve regulatory compliance, reduce carbon footprints, and meet environmental targets through evidence-based design solutions.
Project Management
We manage building services projects from initial feasibility to final commissioning. Our approach combines technical expertise with rigorous quality control to deliver projects on time and within budget. Services include site investigations, dilapidation reports, and performance specification development tailored to client-specific requirements.
People
Martin Thornley
Director
Martin Thornley leads Thornley & Lumb Partnership following the 2006 management buyout. With extensive industry experience, he maintains the firm's commitment to quality engineering solutions and client satisfaction across diverse construction projects.
Graham Powell
Director
Graham Powell co-directs the company, focusing on technical excellence and sector expansion. He ensures the firm maintains its high standards in building services engineering while adapting to evolving industry requirements and technologies.
Questions
What sectors do Thornley & Lumb specialise in?
We work across banking, commercial, education, hospitality, industrial, leisure, residential, and retail sectors with nationwide project experience.
Are Thornley & Lumb ISO certified?
Yes, we have held ISO 9001 certification since 1999, demonstrating our commitment to quality management systems and continuous improvement.
Do you offer BIM design services?
Yes, we provide BIM/Revit design services aligned with government compliance requirements for large-scale construction projects.
How experienced is your engineering team?
Our 20-strong team has delivered projects across the UK for 25+ years, with expertise in mechanical, electrical, and sustainable engineering solutions.
Can you handle both new builds and refurbishments?
Yes, we provide full lifecycle services for new constructions and refurbishment projects across all building sectors.
Do you provide sustainability assessments?
Yes, our CIBSE-registered assessors offer SBEM calculations, EPCs, and dynamic simulation modelling to optimise building energy performance.