Glossary Glossary 2026-06-09
What is a smart building?
A smart building uses digital technology and data to monitor, control, and optimise building performance in real time.
This includes systems that automatically adjust heating, lighting, and other services to improve efficiency and occupant experience.
Why smart buildings matter
Smart buildings help organisations:
- Reduce energy consumption and carbon emissions
- Improve occupant comfort and wellbeing
- Optimise operational performance
- Enable data-driven decision-making
They are a key enabler of modern, sustainable building management.
How smart buildings work
Smart buildings combine:
- Sensors and connected devices (IoT)
- Building management systems (BMS)
- Data analytics platforms
- Automated controls
These technologies work together to provide real-time insights and automated optimisation.
Smart building capabilities
Typical features include:
- Occupancy-based heating and lighting control
- Energy monitoring and optimisation
- Predictive maintenance alerts
- Remote system management
Smart buildings in practice
Smart technologies are increasingly used across:
- Commercial offices
- Healthcare facilities
- Education estates
- Public sector buildings
Frequently asked questions
Smart buildings can help organisations improve energy efficiency, reduce operational costs, enhance occupant wellbeing and support sustainability goals.
They can also help facilities teams move from reactive management to more predictive, data-led building operations.
Smart buildings can reduce energy consumption by automatically adjusting building services based on real-time demand.
For example, occupancy-based controls can reduce heating, cooling or lighting in unused areas, while energy monitoring can help identify waste, inefficiencies and opportunities for optimisation.
Smart buildings support net zero by helping organisations reduce energy use and operational carbon emissions.
Real-time monitoring, automated controls, energy analytics and predictive maintenance can all help improve building efficiency and support wider decarbonisation strategies.
Organisations should consider investing in smart building technology when they want to improve energy efficiency, reduce emissions, enhance occupant experience or gain better control over building performance.
Smart technology is especially valuable in complex estates, energy-intensive buildings or organisations seeking to modernise facilities management.
Yes. Existing buildings can become smarter by introducing connected sensors, digital controls, analytics platforms and improved building management systems.
This can often be delivered as part of a wider retrofit, energy management or decarbonisation programme.
The main benefit of a smart building is that it enables better, data-driven control of building performance.
By using real-time data and automated optimisation, smart buildings can improve efficiency, reduce energy use, support comfort and help organisations manage buildings more strategically.