The Four Things Standing Between You and Heat Network Compliance

If you can do those four things - and do them well - you’re already most of the way to surviving (and actually benefiting from) Ofgem’s new world for heat networks.

But before we jump into the practical stuff, let’s set the scene. Because whether you’ve realised it or not, your buildings are part of a national energy transition, and property managers are right in the thick of it.

Heat Networks: The Hidden System You’re Probably Already Running

Most property managers don’t set out to become heat suppliers - and yet, here we are. The majority of PMs are already managing a heat network – many without realising it. 

If your building has a centralised heat or cooling source, pipework distributing energy and multiple residents using it… you’re officially part of the club.

Heat networks are set to become a cornerstone of the UK’s journey to Net Zero. With 1.5 million new homes planned without gas boilers, heat networks aren’t just “a thing you maybe deal with.” They’re the future. And because of that, Ofgem is stepping in - not just to regulate, but to bring fairness, clarity, and some much-needed structure to how heat networks are run.

Why All This Matters (and Why Now)

A few headlines to give this some weight:

• Heat networks serve around 500,000 consumers already - and growing.

• Network efficiency averages 35–45% - far below where it should be.

• The majority of billing complaints in property management are heat-related.

• Many existing heat networks were not built to current best practices, leading to issues with heat loss, inefficiency, and high costs for consumers

And most importantly, residents are about to get new rights, new protections and direct routes to complain.

If residents aren’t happy, they won’t phone the developer. They probably won’t phone the engineer. They’ll phone you. That’s where the regulations come in.

The PM’s Role Under Ofgem: 

Compliance isn’t paperwork - it’s about protection.
Protection for your residents, your building, and your inbox.

Under Ofgem’s framework, PMs must clearly demonstrate, on behalf of their clients:

• Who the heat supplier is.

• That the system is metered properly.

• That billing is accurate, fair and transparent.

• That the network is maintained safely and efficiently.

All of that is demonstrated via audit and documentation. Ofgem is expecting regular high-level reporting from Heat Suppliers. Although this isn’t evidence based initially, they do expect consistency and solid evidence including audit trails, meter data, maintenance logs, tariff calculations and complaints records.

This is where the four-step formula comes in. Because if you focus on these fundamentals, everything slots into place.

The Four Actions That Make Compliance Work

1. Meter It

You can’t manage what you can’t measure - and meters are the backbone of heat network compliance.

• They tell you what energy is being used.

• They allow you to bill fairly.

• They help you find leaks, faults and inefficiencies.

• They form the basis of almost every KPI Ofgem will ask for under HNTAS.

But beyond compliance, good metering saves money and arguments. When residents clearly see what they’ve used - and that it’s accurate - complaints drop dramatically.

2. Bill It

Fair. Clear. Regular.

Billing is no longer “set it and forget it.” It must now be:

• Quarterly but monthly is the preferred frequency if your metering is remotely reading.

• Transparent - based on actual data wherever possible and a tariff set based on what you’re paying.

• Clear - showing consumption, charges, how to pay and who to contact.

If you’ve ever had a resident tell you they don’t understand their heat bill, they’re not alone. Ofgem has recognised this, which is why clarity is becoming a requirement, not a nice-to-have.

3. Maintain It

The plant room is not “out of sight, out of mind.”

Heat networks are living, breathing systems. Pumps can fail, valves get worn, filters clog up and the mechanical components age out, and suddenly your efficiency drops from 65% to “why is the return temperature hotter than the sun?”

The difference between a well-maintained network and a neglected one is enormous:

• Fewer outages

• Lower running costs – much happier residents

• Higher efficiency with easier compliance audits

• Better asset longevity 

4. Manage It

Data + people + process.

Management and monitoring is where everything comes together - the meters, the billing, the maintenance, the evidence trail.

A well-run heat network is one you can see, understand and improve. Ongoing monitoring lets property managers move from reactive problem-solving to proactive performance management - ensuring systems stay efficient, compliant and resident-focused.

Continuous monitoring helps you:

•    Spot inefficiencies before they escalate into costly failures
•    Benchmark performance across multiple sites
•    Track compliance against HNTAS KPIs
•    Reduce avoidable callouts and disruption
•    Build trust through transparency and data-led decision-making

Many platforms now make this possible by translating complex technical data into simple dashboards.

And of course, choosing partners who make your life easier, not harder.

“Questions to Ask Your Provider”

• Can you give me a list of all metering points and last read dates?

• Are we billing based on accurate data?

• When were tariffs last reviewed?

• What’s our recovery position for the last 12 months?

• Who maintains HIUs, and how often?

• How old is the network - and do we have a plan for replacements?

(Yes, these are all real questions. And yes, you absolutely should be asking them.)

The Resident Lens: 

Beneath the regulation and process is a simple concept:
Residents deserve fairness. They deserve clarity. They deserve systems that work.

Compliance isn’t designed to trip PMs up. When residents understand their bills, trust their supplier and know where to go when they need help complaints fall, escalations drop, property managers get fewer “urgent” emails at 10pm and client relationships strengthen.

So… How Do You Start?

Don’t overthink it - just start with the four heroes:

1. Meter: Do you have all meters working and reporting?

2. Bill: Are bills accurate, clear and quarterly?

3. Maintain: Do you have a proactive (and reactive) maintenance plan?

4. Manage: Do you have visibility of data, costs and evidence?

Nail the basics and compliance becomes a natural by-product.

If you do those four things, you won’t just be “ready” for Ofgem - you’ll be running a better, clearer, more efficient network for your residents.

Download the Heat Network Compliance Companion Playbook

It’s your step-by-step guide to:

• What’s changing

• What you need to do

• How to evidence it

• Templates, checklists, timelines and practical examples

• Everything needed for “Ofgem-ready” confidence

If you read one thing after this article, make it the Playbook.
It turns the four heroes into a full action plan.

Katherine Baker, Business Operations Manager, Data Energy