Heat Network Zoning Act 2024 is live. Cities designate the first zones.

The Heat Network Zoning Act 2024 introduces designated heat network zones in dense urban areas with mandatory connection requirements for new and some existing buildings. London, Manchester, Birmingham, Leeds, Bristol and Liverpool are among the major urban centres designating pilot zones. The Act establishes local authority zone coordinator roles and the DESNZ-led implementation framework.

For local authorities, the Act represents the single largest UK buildings-sector regulatory change in a generation. Zone designation requires coordinated heat source planning, customer engagement, mandatory connection enforcement and multi-stakeholder alignment between W+S undertakers (for waste heat capture from wastewater treatment), heat network developers + operators, social housing providers, large commercial customers and Ofgem regulation of heat network supply.

For the heat network industry, the policy gives the deployment ramp the framework it has lacked — district heating developers, operators, EPC contractors and large heat source providers. Heat sources progressively decarbonise from gas CHP legacy + transition to large heat pumps, waste heat capture from data centres (Gap 39 cross-reference) and industrial sites, biomass + bioresources (Gap 41), geothermal (Gap 34) and energy from waste. Customer tariff framework + consumer protection sit under Ofgem regulation of heat network supply.

The Act is part of the wider UK heat decarbonisation pathway alongside the Boiler Upgrade Scheme, Clean Heat Market Mechanism, Future Homes Standard 2025 (new-build effectively prohibiting gas boilers) and the hydrogen for heat strategic decision (Gap 44). The gas grid exit pathway (Gap 46 · the Tranche 2 Gas flagship) creates regional optimisation: dense urban areas heat-network-dominant, suburban + rural heat-pump-dominant, industrial + cluster regions hydrogen-retained.

GridteamAI covers UK heat decarbonisation across two interlocking reports. Gap 14 (Tranche 1) decodes UK Heat Networks. Gap 46 (Tranche 2 Gas flagship) decodes the four-pathway heat decarbonisation framework + gas grid exit + cross-volume coordination with electricity grid, RIIO-3, hydrogen production, CCUS clusters, workforce and customer transition.