Business Details
50+ Years
experience
Expert HVAC and Building Services in Derbyshire
William Bailey Ltd has been delivering exceptional building services since 1919, combining a century of expertise with innovative solutions tailored to modern demands. Our dedicated team of professionals specialises in heating, plumbing, ventilation, air conditioning, and sustainable energy systems, serving diverse sectors including education, healthcare, hospitality, and industrial projects. With in-house design capabilities and a commitment to quality project management, we ensure every installation meets rigorous safety standards and client specifications. Our engineers hold Gas Safe, CSCS, and NICEIC certifications, guaranteeing compliance with industry regulations while maintaining a focus on energy efficiency and sustainability.Through strategic partnerships and advanced BIM technology, we provide coordinated, future-proof building systems that enhance operational efficiency. Our track record of repeat business and recognition as annual construction awards finalists underscores our dedication to excellence. From concept to completion, we prioritise client collaboration, delivering multi-disciplined solutions that align with both technical requirements and budgetary constraints.
Services
Heating Systems
Plumbing
Ventilation
Air Conditioning
Controls
Sustainable Energies
Specialist Gases
Fire Prevention
Electrical Services
Project Design
Details
- Year established: 1919
Highlights and features
- We offer 100 years of experience in building services engineering
- Our in-house design team utilises BIM and CAD technology
- All engineers hold Gas Safe and CSCS certifications
- We provide NICEIC-approved electrical installations
- Our project management ensures compliance with Part L regulations
Associations and certifications
- Gas Safe
- NICEIC
What people say
Exemplary project handling
Smooth running establishment
Successful open evening
Impressed with professionalism
Delighted with timely completion
Services
Heating Systems
We design and install commercial heating systems for offices, universities, and industrial facilities using steel or copper pipework. Our solutions include low surface temperature radiators, underfloor heating, and radiant panels. We implement natural gas, LPG, or oil-fired systems for both public and private sector developments, ensuring energy efficiency and compliance with current regulations.
Plumbing
Our plumbing services cover sanitary ware installations, commercial kitchen fit-outs, and above-ground drainage systems. We work with UPVC, solvent weld, and cast iron pipework for durability in multi-storey environments. We also install rainwater harvesting systems and provide lead, copper, or aluminium weathering services for decorative faades and roof applications.
Ventilation
We deliver comprehensive ventilation solutions including extract systems, warehouse roof ventilation, and commercial kitchen canopy systems. Our LEV installations control welding fumes and vehicle exhausts, while tempered fresh air systems meet building regulations for occupancy levels. We also provide specialist applications like swimming pool dehumidification and clean room installations with HEPA filtration.
Air Conditioning
Our air conditioning systems include split DX units, VRV systems, and hybrid heat pump installations. We specialise in close control environments for server rooms and computer facilities. All ductwork installations meet HVCA DW144 standards with full insulation, while packaged rooftop units provide heating and cooling solutions for retail and industrial spaces.
Fire Prevention
We install traditional and mist sprinkler systems, mechanical smoke ventilation, and gas suppression systems for kitchen canopies. Our fire safety solutions include dry risers, external hydrants, and automatic opening vents. All installations integrate with building management systems for comprehensive fire detection and response coordination.
Questions
What building sectors do you specialise in?
We work across education, healthcare, hospitality, historical buildings, residential, motor industry, public services, and industrial sectors.
Are your engineers certified?
All engineers hold Gas Safe, CSCS, and NICEIC certifications with additional qualifications in first aid and site supervision.
Do you offer sustainable energy solutions?
Yes, we install biomass boilers, air source heat pumps, ground source heat pumps, and rainwater harvesting systems.
How do you ensure project compliance?
We use CIBSE HEVACOMP systems, SBEM thermal modelling, and BIM technology for Part L compliance and building regulations.
What accreditations do you hold?
We are accredited by Gas Safe for gas installations and NICEIC for electrical works, with ISO-standard quality assurance.
