21 Sackville Street
London

Project Overview
We have successfully completed a £2 million mechanical and HVAC installation project at 21 Sackville Street, delivering a full upgrade of building services across the site.
The project included the installation and upgrade of key mechanical, HVAC, and public health systems:
These works were delivered as part of a wider building services upgrade, improving system performance, energy efficiency, and long term reliability across both residential and commercial areas.
Scope of Works
- Installation of a new basement shower block
- VRF air conditioning systems and sanitaryware within two residential apartments
- New booster set and water tank for improved water distribution
- Replacement of fan coil units (FCUs) and ventilation systems across four floors
- Installation of a new air handling unit (AHU)
- Installation of an air source heat pump (ASHP) for energy efficient heating and cooling
- Construction of a new plant room and GRP enclosure to house mechanical equipment
Project Gallery
































Trusted by London's Leading Businesses
We have built strong relationships with tier 1 and tier 2 contractors across London. Our commitment to quality, collaboration, and wellbeing speaks for itself.
"I have worked with Mind Mechanical for 5 years now since the start of their journey. Tommy & Lewis have consistently delivered a high-quality service and always have an intent to achieve a result that is best for the project and the overall client, and not themselves. Mind remain a key part of our supply chain which Vincent White hope will continue for many more years."
Managing Director - Vincent White
"We were extremely impressed with the professionalism and technical expertise demonstrated by our Mind Mechanical throughout our London Wall project. Their team delivered high-quality workmanship, remained proactive in solving challenges, and consistently met programme milestones. Communication was clear and timely, and their collaborative approach helped maintain a smooth workflow with all other trades. The final mechanical installation was completed to an exceptional standard, fully commissioned, and handed over without issue. We would be delighted to work with them again on future projects and highly recommend their services."
Commercial Director - Vincent White
Working with the team at Mind on various projects of all different size and complexity over the years has always been a great experience. Their team demonstrate exceptional technical expertise, clear communication, and a strong commitment to quality throughout all of the projects we have delivered together
What stands out most is their reliability—deadlines are met, safety protocols are followed, and any unexpected issues are always resolved quickly.
I highly recommend them to anyone in need of dependable, skilled mechanical contracting services. We look forward to partnering with them on future projects
Project Director - Epiphany
The team at Mind Mechanical are hardworking, trustworthy, and truly invested in every project they take on, they have worked for Collins on a number of projects since there start up, their commitment and excellence from pre-construction through to final delivery have made each experience seamless.
Senior Commercial Manager - Collins Construction

