About 1Energy

Offering the simplest, fastest, lowest-cost route to decarbonising heat in UK towns and cities.

The challenge: A need to reduce emissions in heat

Image of a Bradford street

Speed and scale

Expert knowledge

Assured delivery and finance

Our Impact

Rapid and affordable decarbonisation, at scale and pace

Our proven, cost-effective heat networks cut emissions and provide heat for cities and towns across the UK. This will mean net zero cities and towns, healthier citizens, and a better quality of life.

75%

less CO2

Our heat networks reduce carbon emissions from heating from the first day of connection, compared to gas boilers.

60%

lower upfront costs

Connection costs are 60% lower than the installation of an air source heat pump.

Up to 40%

lower running costs

Operational costs are 20-40% lower than an air source heat pump year on year

Meet our team

John Hartley

Chief Executive Officer

Jeremy Bungey

Commercial Director

John Roundell

Chief Financial Officer

Bhavya Patel

Operations Director

Join our team

We are always on the lookout for talented people who are passionate about decarbonising heat in cities and towns across the UK. If this is you, please send your CV to info@1energy.uk

See our vacancies

Development Manager

Drive the development of 1Energy’s heat network projects from early-stage planning through commercialisation to financial close. Coordinate technical, commercial and stakeholder activity to turn opportunities into investable, deliverable projects.

Oxford, Oxfordshire

Full Time

Energy Engineer

Provide the technical analysis and design input that moves 1Energy’s heat network projects from early feasibility towards delivery. Assess potential locations and buildings, develop robust technical solutions and ensure engineering considerations inform commercial and investment decisions.

Oxford, Oxfordshire

Full Time

Customer Experience Manager

Shape and deliver a market-leading customer experience across 1Energy’s heat networks, from onboarding and billing to queries and service support. Ensure customers receive reliable, responsive support while maintaining regulatory compliance and strong operational performance.

Oxford, Oxfordshire

Full Time

Energy Centres & Building Connections Lead

Develop the concept designs for the energy centres, substations and building connections that bring 1Energy’s heat networks to life. Turn heat-demand analysis and energy-system modelling into practical, investment-ready and deliverable solutions.

Oxford, Oxfordshire

Full Time

Contracts Manager

We are looking for a practical, commercially minded Contracts Manager to help build a robust, scalable contracting capability to support 1Energy’s growing heat network portfolio; from procurement and negotiation through to performance, renewals and close-out.

Oxford, Oxfordshire

Full Time

Chief Development Officer

Lead the development and commercialisation of 1Energy’s heat network pipeline, taking projects from initial opportunity through to investment-ready schemes. Set the technical direction and ensure projects are commercially viable, deliverable and built for long-term performance.

Oxford, Oxfordshire

Full Time

Head of Programme Management Office

Lead the programme management function across 1Energy’s heat network portfolio, providing clear oversight of project progress, resources, risks and commercial priorities. Establish consistent governance and planning to support timely decisions and accelerate project delivery.

Oxford, Oxfordshire

Full Time

Senior Investment Analyst

We are seeking a Senior Investment Analyst to strengthen our portfolio‑level financial capability and ensure consistently high standards across all valuation, modelling, and investment decision activities. This role provides portfolio‑wide oversight, ensures modelling rigour and consistency, and leads financial analysis for investment cases, valuations, and financial close decisions.

Full Time

Committed to Net Zero

Construction worker looking at pipes