In a mid-tier refurbishment project, which typically falls within the budget range of £46 to £60 per square foot, several additional elements are expected beyond those outlined for a simple refurbishment. 

These include: 

• Feature elements: This encompasses the integration of distinctive design features such as feature walls, specialised lighting arrangements, unique furniture selections etc.
• New mechanical systems: Installation of updated heating and cooling systems and other mechanical components to ensure efficient temperature control.
• New electrical infrastructure: Implementation of upgraded electrical systems to accommodate increased power demands, including provisions for power and data connectivity to support modern office equipment and technology requirements. 
• Brand new lighting: Incorporation of advanced lighting solutions, including energy-efficient fixtures and innovative lighting controls and improve energy efficiency,
• New kitchen facilities: Renovation or installation of a new kitchen area, equipped with modern appliances and amenities.
• Simple audiovisual (AV) requirements: Integration of basic AV equipment 
• Carbon reduction considerations: Implementation of sustainability measures and eco-friendly practices.

In a high-tier office refurbishment project, which typically commands a budget range of £70 per square foot and above, several additional elements are expected, surpassing the specifications outlined for both simple and mid-tier refurbishments.

These encompass:

• Complete overhaul of mechanical systems: Extensive updates to HVAC systems and other mechanical components to guarantee optimal temperature control, ventilation, and overall comfort within the office premises. This overhaul ensures top-notch functionality and efficiency, aligning with high standards of modern office environments. 
• Complete overhaul of all elements within the office environment: A comprehensive revitalisation of every aspect of the office space.
• Washroom refurbishment: Renovation or installation of upscale washroom facilities featuring premium fixtures, finishes, and amenities, elevating the overall comfort and hygiene standards for employees and visitors. 
• Bespoke furniture elements: Integration of custom-designed furniture pieces tailored to the specific needs and aesthetics of the office environment.
• Audiovisual elements within meeting spaces: Implementation of advanced audiovisual equipment and systems in meeting rooms and collaborative spaces to facilitate seamless communication.
• Acoustic treatments throughout: Incorporation of specialised acoustic solutions, such as sound-absorbing panels, ceiling treatments, and partitioning systems, to mitigate noise levels and optimise acoustics for enhanced productivity and concentration. 
• Analysis and designs that consider ESG commitments.