
Project Overview
Modutherm supplied 372 MTA Plus heat interface units to Dolphin Square, one of London's most iconic residential developments in Pimlico. The project was delivered in collaboration with LJJ Ltd.
The Challenge
Built in 1936, Dolphin Square is a prestigious Grade II listed building and one of the largest mansion blocks in Europe. The development required a modern, efficient heat network solution that could serve hundreds of apartments while meeting contemporary energy efficiency standards and maintaining the building's historic character.
The Solution
Heat Interface Units
- 372 MTA Plus Twin heat interface units
- VWART (Volume Weighted Average Return Temperature) of 24°C
- Designed for 4th generation low-temperature heat networks
- Leak-free plate heat exchanger technology
- User-friendly controls for resident comfort
Key Benefits
- Market-Leading Efficiency: VWART of 24°C positions the MTA Plus Twin as a leader in heat network efficiency
- 4th Generation Ready: Optimised for low-temperature heat networks, reducing energy consumption
- Leak-Free Reliability: Advanced plate heat exchanger technology eliminates common failure points
- Resident Comfort: Intuitive controls provide easy temperature management for residents
- Future-Proof: Designed to meet evolving energy efficiency standards
The Building
Dolphin Square has been a landmark address since its construction in 1936. One of London's most sought-after rental locations, the development has housed notable residents including Ian Fleming, Princess Anne, and members of Churchill's family. The building's rich history spans from wartime resilience to its current status as a premier residential address.
The development's connection to a modern, efficient heat network ensures it remains at the forefront of sustainable living while preserving its historic appeal.
Results
The installation of 372 MTA Plus units delivers efficient, reliable heating and hot water across this iconic development. The low-temperature operation and high efficiency support reduced energy costs for residents while contributing to London's carbon reduction targets.
2026 Update
We are currently working with LJJ Ltd on Phase 2, supplying a further 542 MTA Plus units which are currently being commissioned.
Client: Dolphin Square
Partner: LJJ Ltd
Contact Us
To learn more about how the MTA Plus can enhance your building's heating system, contact us on 0345 521 5666 or modutherm@modularhg.co.uk.




