Commercial Boiler Replacement / Plant Room Upgrade Projects – London

This case study showcases a Boiler Plant Room Installation in London delivered by Bigness Group’s mechanical services team. It covers boiler replacement, pump installation, pipework upgrades, and full commissioning. The project demonstrates our ability to deliver efficient heating solutions, commercial plant upgrades, and boiler installations in London — all completed on time, on budget, and with minimal disruption.

Project Overview

Project: Commercial Boiler Replacement / Plant Room Upgrade
Client: Confidential (Commercial Site)
Location: London Borough
Sector: Commercial / Industrial
Service Type: Mechanical & Heating Services
Date: 30 August 2025

Project Objectives

  • Replace / upgrade outdated boiler plant to meet modern efficiency standards.
  • Improve energy performance, reliability, and safety of the heating system.
  • Deliver a seamless installation with minimal disruption to operations.
  • Provide full testing, commissioning, and certification on completion.

Scope of Works

  • Removal of existing plant / boilers and safe disposal.
  • Installation of new high-efficiency boilers (Ideal, Vaillant, Daikin, etc.).
  • Upgrades to pumps, manifolds, and control panels.
  • Full integration of pipework, insulation, and pressure systems.
  • Testing, commissioning, and handover with full compliance certification.

Challenges & Solutions

Challenge: Limited access to plant room for large equipment.
Solution: Planned phased delivery and used specialist lifting equipment to minimise disruption.

Challenge: Client required system to remain partially operational during works.
Solution: Installed temporary bypass and phased connections to maintain heating supply.

Challenge: Tight project timeline.
Solution: Coordinated trades and overlapping schedules to complete on time and budget.

Results

  • Successful replacement and commissioning of 2 boilers / pumps / systems.
  • Improved energy efficiency, reduced running costs, and enhanced reliability.
  • Compliance with London building regulations and heating standards.
  • Delivered project on time, on budget, and with minimal disruption — the Bigness Way.

Client Testimonial

“The Bigness team were professional, efficient, and delivered exactly what we needed. The new system is reliable, cost-effective, and was installed with minimal disruption.” – Bigness Client

Key Takeaways

  • Mechanical plant upgrades improve energy efficiency and long-term reliability.
  • Careful planning and phased works reduce downtime and disruption.
  • Choosing experienced installers like Bigness ensures compliance and safety.