Project Works And Upgrades

Our project works and upgrade services are designed for live, occupied buildings where maintaining business continuity is just as important as delivering the engineering solution. From targeted plant upgrades to complete M&E installations, we carefully plan and deliver works with minimal disruption, keeping critical building services operational wherever possible while modernising your infrastructure.

M&E Installation

Whether you’re refurbishing an occupied office, upgrading critical plant, or replacing ageing building services, our M&E installation teams deliver projects safely and efficiently within live operational environments. Careful phasing, temporary services where required, and close coordination with stakeholders help minimise disruption while maintaining continuity of service throughout the project. From mechanical, electrical and plumbing installations through to BMS integration and renewable technologies, we manage every stage of delivery from design through to commissioning.

We provide design, installation, and maintenance services for M&E solutions such as:

HVAC

Electrical systems

Plumbing systems

BMS

Renewable solutions

Mechanical & Electrical Project Management

Our dedicated Mechanical & Electrical Project Managers oversee every stage of your project, from early planning and design coordination through to installation, commissioning and handover. Working closely with clients, consultants and specialist subcontractors, they ensure projects are delivered safely, efficiently and with minimal disruption to day-to-day building operations.

Our experienced Mechanical and Electrical Project Managers coordinate every aspect of delivery, including:

Project planning and programming
Stakeholder communication
Phased works strategies
Temporary services planning
CDM compliance
Supply chain coordination
Commissioning and handover
Post-project support

Plant Upgrades

Gratte Brothers | Building Services Maintenance specialises in plant upgrade solutions to help you enhance the plant’s performance, future-proof your operations, and extend your equipment life. Plant upgrades don’t have to mean operational downtime. We carefully programme works around your building’s operational requirements, delivering phased upgrades and resilient temporary arrangements where necessary to maintain critical services while modernising plant and equipment.

We will:

Upgrade plant to ensure optimised facilities and modernised technology.
Integrate new technologies into existing systems where possible

Implement performance enhancements to improve the plant’s reliability, safety, and throughput.

Read our UPS Replacement Case Study

Life Cycle Upgrades

Our experienced team assess the remaining life of your building services and recommend practical upgrade strategies that balance capital investment with operational risk. Where systems must remain live, we develop phased replacement programmes that minimise disruption and help maintain business continuity throughout the works. As technology evolves rapidly, it’s important to make sure your systems are still working to the best of their ability. This can save you money in the long run as you won’t need to spend as much on constant repairs, maintenance, and downtime.

We will look at every aspect of your system and advise on the best course of action, whether this be a lifecycle upgrade or a complete new system.

Read our Water Treatment Upgrade Case Study