Warm Homes Plan Explained: How UK & Ireland Homeowners Can Cut Energy Bills with Heat Pumps and Underfloor Heating

Introduction

Energy bills. Nobody wants to talk about them, but here we are. If you've opened a bill recently and done a double take, you're not alone homeowners across the UK and Ireland have been feeling it for a couple of years now, and honestly, it doesn't look like easing up any time soon.

The thing is, a lot of that money is going straight out the window sometimes literally. Old heating systems, draughty homes, boilers running harder than they need to. It adds up fast.

There is some good news though. Both the UK and Irish governments are putting real money behind helping people fix this, through schemes tied to the Warm Homes Plan. Grants, funding support, energy upgrades it's out there. But most homeowners either don't know what's available or aren't sure where to start. That's what this guide is for. Read it before you make any decisions about your heating.

Quick Tip: Already know you want to upgrade? Skip ahead to the heat pump section or grab an instant quote it only takes a few minutes.

What Is the Warm Homes Plan?

Government Support for Energy Efficiency Upgrades

It's a government initiative but stick with me, because this one actually matters.

The basic idea is straightforward: help homeowners move away from expensive, carbon-heavy heating systems and toward cleaner, cheaper alternatives. Gas boilers and oil systems are firmly in the crosshairs. Heat pumps, better insulation, smarter energy use that's what both governments are pointing people toward.

NIHE Affordable Warmth Scheme and Regional Support

In Northern Ireland specifically, the NIHE Affordable Warmth Scheme sits under this wider push, offering means-tested help for homeowners who qualify covering things like insulation, heating upgrades and energy improvements. Across the rest of the UK and Ireland, similar home energy upgrade funding exists through various government energy efficiency support schemes, and while the names change depending on where you live, the direction is the same.

Low carbon. High efficiency. And sooner rather than later.

Worth Knowing: Eligibility for schemes like the NIHE Affordable Warmth Scheme is means-tested. It's worth checking your eligibility early some funding windows close quickly and don't reopen for months.

Why Your Current Heating System Is Probably Costing You Too Much

Inefficiencies in Older Heating Systems

Most homes in Ireland and Northern Ireland are still running on systems that were installed 15, 20, maybe 30 years ago. They weren't built for today's energy prices and they show it.

Why Radiators Are Not Energy Efficient in Modern Homes

A gas or oil boiler running at 85% efficiency sounds fine on paper. But that figure doesn't account for heat vanishing through poorly placed radiators, rooms that never quite reach the right temperature, or the fact that you're burning a fuel whose price you have zero control over.

There's also a fundamental design flaw with radiators that not enough people talk about. They heat the air. Warm air rises. So, the hottest part of your room is always going to be near the ceiling not where you're actually sitting. You're essentially paying to heat space nobody uses.

It's not that these systems are broken. They just weren't designed with efficiency in mind the way modern alternatives are. And right now, that inefficiency has a very real price tag attached to it.

Quick Tip: A quick way to check if your home is losing heat unnecessarily run your hand along the skirting boards and around window frames on a cold day. If you can feel a draught, your heating system is working harder than it needs to.

Heat Pumps: What They Are and Why They're Worth It

How Air to Water Heat Pumps Work

A heat pump doesn't burn anything. That's the key difference and it's a big one.

Instead of generating heat by combusting fuel, it pulls thermal energy from the outside air and moves it into your home. Even when it's cold outside, there's still usable heat energy in the air, and a heat pump is very good at extracting it. The result? For every £1 of electricity it uses, you typically get £3 to £4 worth of heat back. A gas boiler simply can't compete with that.

It's why air to water heat pump systems have become the go-to choice for homeowners across Ireland and Northern Ireland looking to cut bills and future-proof their homes at the same time.

Panasonic Heat Pumps for UK & Ireland Homes

Panasonic their A2W range performs particularly well in the damp, mild climates you get across Ireland. The Panasonic RAC Solo suits smaller properties well, and if you're designing a full system, the Panasonic buffer tank is worth including to keep temperatures steady and avoid short-cycling.

Mitsubishi Heat Pumps and Cold Climate Performance

Mitsubishi Mitsubishi A2W systems are well known for cold-weather reliability and have a strong track record in Irish and UK installations. Both brands are built to last, and both are supported properly if something ever goes wrong.

Not sure which size or model suits your home? The heat pump size calculator is genuinely useful don't skip it. Getting sizing wrong at the start is one of the most common and costly mistakes in a heat pump install.

Worth Knowing: Short-cycling when a heat pump switches on and off too frequently is one of the biggest causes of reduced efficiency and premature wear. A correctly sized system with a buffer tank largely eliminates this problem. It's not a detail to skip.

Why Heat Pump Sizing Matters (Use of Calculator)

Not sure which size suits your home? The heat pump size calculator is genuinely useful don't skip it. Getting sizing wrong at the start is one of the most common and costly mistakes in a heat pump install.

Quick Tip: As a rough starting point a well-insulated three-bedroom home in Ireland typically needs a 8–10kW heat pump. But always use a proper calculation or get a system design done before purchasing.

Underfloor Heating: Why It and Heat Pumps Just Work Together

Why Underfloor Heating Works Better at Low Temperatures

Here's something most people don't realise until they're already looking at heat pumps. The flow temperature the temperature of the water circulating through your heating matters a lot.

A gas boiler pushes water out at 70–80°C. Traditional radiators need that kind of heat to work. A heat pump runs at 35–45°C, which is much lower and that's actually where it operates most efficiently. The problem is, standard radiators at those temperatures just don't throw out enough heat to warm a room properly.

Underfloor Heating Kits for New Builds and Retrofits

Underfloor heating works at exactly those lower temperatures. It's not a workaround it's genuinely the ideal match. The two systems are designed, almost by default, to work together.

And beyond the technical compatibility, UFH just feels different to live with. Heat rises evenly from the floor, the whole room reaches a consistent temperature, and there are no cold spots or hot blasts. Walls are clear. The system runs quietly in the background. Once it's set up and balanced, you barely think about it.

Frankische and Pipelife UFH Systems

BPC Heat's range of underfloor heating kits covers everything from new builds to retrofits whether you're pouring a screed floor or working with an existing timber structure. Their underfloor heating kits Northern Ireland and underfloor heating kits Ireland range includes systems using pipework from brands like Frankische and Pipelife both solid, widely used in the trade. For components and accessories, the underfloor heating supplies section is worth a look too.

Worth Knowing: Underfloor heating responds more slowly than radiators it's designed to maintain temperature rather than rapidly heat a room. This is actually a feature, not a flaw. It means the system runs steadily at lower temperatures, which is exactly how heat pumps perform best.

Underfloor Heating Supplies and Components

BPC Heat's range of underfloor heating kits covers everything from new builds to retrofits whether you're pouring a screed floor or working with an existing timber structure. Their underfloor heating kits Northern Ireland and underfloor heating kits Ireland range includes systems from Frankische and Pipelife both solid, widely used in the trade. For components and accessories, the underfloor heating supplies section covers the rest.

Quick Tip: Planning a retrofit? Wet underfloor heating can be installed under most floor types, but the depth of the floor build-up matters. Low-profile systems are available that add as little as 15–20mm worth asking about if floor height is a concern.

Smart Controls: The Part Most People Underestimate

Why Heating Controls Are Critical for Energy Savings

You can have the best heat pump and UFH system money can buy and still leave a lot of efficiency on the table if the controls aren't set up properly. It's one of those things that sounds like a minor detail until you see the energy bills.

Smart heating controls let you manage your system zone by zone, set schedules around how you actually live, and keep an eye on energy usage without guessing. Paired with a heat pump and UFH, they let the system run at the optimal low temperatures it performs best at rather than firing up harder than it needs to.

Heatmiser Smart Heating Controllers

Heatmiser controllers are popular with installers for their reliability and clean interface. The NeoHub range integrates smoothly with smart home setups, which is handy if you're building a more connected home.

EPH Underfloor Heating Controllers

EPH underfloor controllers offer a more straightforward option without cutting corners on zone control or scheduling good value for most residential installs.

Worth Knowing: Zone control isn't just a luxury it directly affects running costs. Heating rooms you're not using wastes energy. Even a basic two-zone setup (downstairs/upstairs) can make a noticeable difference to monthly bills.

If you haven't already, use the heat pump size calculator before committing to a specification or get an underfloor heating instant quote to see where things stand with your specific home.

Putting It All Together: A Complete Integrated System

The real efficiency gains happen when heat pump, underfloor heating, and smart controls are designed and installed as one system not three separate products added at different times.

When everything is properly matched:

The heat pump runs at its most efficient operating range. The UFH distributes heat evenly at low flow temperatures. The controls make sure the system only runs when needed and at the right level. Nothing is working harder than it has to.

For a typical three-bedroom home switching from oil to a heat pump and UFH setup, running cost reductions of 30–50% are realistic especially with grant support factored in. Every home is different, but the pattern is consistent.

Quick Tip: If you're getting quotes from installers, ask them specifically how they're calculating the flow temperature for your UFH. A good installer will design the system around the heat pump's optimal operating range not just fit the components and hope for the best

Ready to Upgrade? Here's Where to Start

Planning Your Underfloor Heating Installation

If this has moved you from thinking about upgrading to actually wanting to do something about it good. That's the right place to be.

BPC Heat supplies complete heating system solutions, from air to water heat pump systems and underfloor heating kits through to controls and accessories with the product knowledge and technical depth to back it up.

The simplest next step is an underfloor heating instant quote. It takes a few minutes and gives you a real number to work with whether you're planning a new build, a renovation, or replacing an ageing system.

Energy bills aren't going to fix themselves. But with the right system, the right components, and a supplier who knows what they're talking about, getting your home to actually work for you is more achievable than most people think.

Worth Knowing: BPC Heat supplies to both trade and direct to homeowners across Ireland and Northern Ireland. If you're working with an installer, they can order directly or you can spec the system yourself and have it delivered to site.