INDUSTRY COMMENT


Heat network regulation and the future of high-rise heating


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For those responsible communal heating systems in high-rise residential buildings, the pressure to deliver low-carbon and regulation-ready building services solutions represents a significant shift in how systems must be specified, operated and managed. Neil Fitzsimons, managing director of Power On explains


he Energy Act 2023 has established the legislative framework for this transition. From 2026 onwards, heat networks are moving formally into a regulated market, with a transition period allowing operators to achieve full compliance. For developers, consultants and energy managers, the focus is increasingly on how systems can deliver reliable performance while meeting tightening regulatory and efficiency requirements.


A new regulatory landscape for communal heating


The introduction of Ofgem’s heat network regulatory framework marks a significant change for the sector. The regime places greater scrutiny on pricing transparency, service reliability, technical performance and consumer protection. These regulations also introduce requirements


around authorisation for network operators, performance standards, and more robust metering and billing practices. For high-rise residential developments, this


presents both challenges and opportunities. Heating infrastructure will need to demonstrate compliance not only at the design stage but throughout the operational lifecycle of the network. For building operators and energy managers, this increases the importance of system monitoring, efficiency optimisation and operational resilience.


Centralised technologies such as Community Heat Hubs (CHHs) and Networked Ground Source Heat Pump systems (NGSHPs) are increasingly being explored as potential solutions capable of aligning with these evolving requirements.


Designing heat networks with regulation in mind


Forward-thinking developers and technology providers are already preparing for the regulatory transition by ensuring communal heating systems are designed with compliance and performance in mind. At Power On, our Networked Ground Source Heat Pump (NGSHP) systems and Community Heat Hubs (CHHs) are engineered to support efficient, low-carbon heat delivery while addressing the operational expectations associated with regulated networks. For energy managers and operators, this design philosophy helps support:


• Transparent cost structures • Digital metering and monitoring • System flexibility and scalability


Any long-term strategy must also consider compliance with Future Homes Standard and the wider framework of UK building regulations, including Part L of the Building Regulations.


Centralised heat generation for dense residential developments


High-rise residential projects often face spatial constraints and peak demand challenges that make individual heating systems less practical. Community Heat Hubs (CHHs) provide a centralised plant approach capable of distributing low-carbon heat across multiple dwellings from a single scalable source. Meanwhile, Networked Ground Source Heat Pump systems (NGSHPs) harness stable underground temperatures to provide highly efficient heating for both new-build and retrofit residential developments. For energy managers, the combination of


reduced carbon intensity and high seasonal performance efficiency makes NGSHPs a compelling option for developments seeking to meet Future Homes Standard performance


Read the latest at: www.bsee.co.uk SFL qp BSEE Jun26.indd 1 5/5/26 08:58 BUILDING SERVICES & ENVIRONMENTAL ENGINEER JUNE 2026 21


targets while aligning with emerging regulatory expectations. Both approaches offer a pathway toward lower-carbon communal heating while simplifying operational management across large residential buildings.


Electrification and grid considerations


As the residential sector continues its transition away from fossil fuels, developers and building owners increasingly require integrated energy solutions that support electrification while remaining compliant with heat network regulation. With authorisation becoming mandatory under Ofgem’s framework, systems designed with regulatory compliance from the outset can reduce long-term operational and approval risks. Electrical capacity constraints remain a significant consideration for many high-rise developments. By deploying centralised heat generation such as CHHs and NGSHP networks, overall electrical demand can be managed more efficiently than through multiple individual heat pumps operating independently. This approach can help ensure stable operation while minimising strain on local distribution networks.


Addressing energy efficiency and overheating requirements


The Future Homes Standard, expected to reshape residential construction standards,


introduces significantly more stringent targets for energy efficiency and carbon reduction. By adopting technologies such as NGSHPs and Community Heat Hubs, high-rise developments can improve building energy performance as well as support compliance with Part L requirements.


At the same time, Part O of the Building Regulations introduces new measures to address overheating risk in residential buildings.


Planning for the long-term performance of heat networks


As heat network regulation takes effect, the focus across the sector is shifting from compliance at project completion to long-term operational performance. This places greater importance on integrated system design, monitoring and lifecycle efficiency. Technologies such as Networked Ground


Source Heat Pumps, Community Heat Hubs and advanced digital control systems offer a more holistic approach to managing communal heating infrastructure.


By aligning system design with Ofgem


regulation, the Future Homes Standard, and key building regulations including Part L and Part O, high-rise residential developments can navigate a rapidly evolving regulatory landscape while supporting the UK’s broader net-zero ambitions. With the right infrastructure in place, heat networks have the potential to deliver efficient, resilient and future-ready heating solutions for high-density residential buildings.


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