Power Your Self Build with Sustainable Energy

Your self-build is a once-in-a-lifetime chance to design a home that’s as efficient as it is beautiful. At EPC, we help you integrate advanced renewable energy solutions from the very start—maximising performance, minimising running costs, and futureproofing your home for decades to come.

Tablet displaying digital floor plan next to a hand drawing on architectural blueprints with a red pencil.
MVHR Hero
Hand using a stylus on a tablet displaying a house image, with an open planner and a small plant nearby on a glass table.
Man in a blue shirt examines blueprints at a wooden house construction site, with a ladder and framework visible under a clear sky.
Outdoor heat pump unit mounted on a concrete slab, featuring a large circular vent and the Vaillant logo on a white and black casing.
Two solar panels and a sleek, white battery unit with a red switch, set against a plain background.
Two workers install a large outdoor heat pump unit against a white wall, focusing on securing it into place, with tools nearby.

Enhance Your Self Build Project with Our Range of Energy Saving Solutions

Heat pump installer

Heat Pumps

Solar panel installer

Solar Panels

Battery storage solutions

Battery Storage

MVHR Installer

Mechanical Ventilation (MVHR)

Underfloor heating essex

Underfloor Heating & Screed

Why Choose EPC for Your Self Build?

The Trusted Name in Energy Efficiency — Now Powering Self-Build Homes

EPC has earned its reputation by helping thousands of UK homeowners design and install renewable systems that cut costs and reduce emissions. Now, we bring that same proven expertise to self-build projects—working with you from the ground up to make your dream home energy efficient, future-proof, and perfectly tailored to your needs.

From heat pumps and solar to battery storage, MVHR, and underfloor heating, we design each system specifically for your home. Our in-house team manages everything—from initial consultation and heat loss calculations to installation, commissioning, and aftercare—ensuring flawless integration with your build schedule.

And with every self-build we support, you’ll get the same attention to detail, personal service, and long-term reliability that’s made us one of the UK’s most trusted renewable energy specialists.

  • Improved Efficiency Through Multi-Tech Design We take a holistic approach, integrating multiple technologies seamlessly for optimal system performance.

  • Reduced Stress We handle the delivery, coordination, and integration of all technologies, so you can focus on the build itself.

  • Lower Overall Costs Our skilled installers are trained across multiple technologies, reducing duplication of labour and keeping budgets lean.

  • One Point of Contact No more finger-pointing between contractors; we take full responsibility for every technology we install.

  • One Company for Life From install to ongoing servicing and maintenance, we know your system inside-out and keep it running at peak performance.

Who We’ve Worked With

Proud to work on homes from leading timber frame and SIPS suppliers, bringing sustainable energy solutions to self-build projects across the UK.

MBC Timber frame Self build
Scandia hus Self build
Potton Self Build
Fleming Homes Self Build
White Haus Self Build
Glosford SIPS Self Build

Heat Your Self-Build Smarter with a Heat Pump.

Build a home that’s ready for the future with advanced heat pump technology.

Perfect for self-build projects, heat pumps deliver efficient, low-carbon heating and hot water—using the natural warmth in the air and just a small amount of electricity.

By designing your heating system in from day one, you can reduce running costs, cut emissions, and enjoy year-round comfort without relying on fossil fuels.

  • £7,500 government grant available

  • Save £100s a year on your energy bills

  • Reduce your heating CO₂ emissions by up to 100%*

It’s the intelligent way to heat your self-build—maximising efficiency, minimising impact, and future-proofing your investment.

Heat pump installer

Power Your Self-Build with Solar Energy.

Design your dream home to run on clean, free energy from the sun.

Design your dream home to run on clean, free energy from the sun. By integrating solar panels into your self-build from the very start, you can lock in long-term savings, reduce your carbon footprint, and future-proof your property against rising energy costs.

Our advanced solar solutions work year-round—even on cloudy UK days—turning daylight into electricity to power your home. Pair them with battery storage for even greater energy independence and control.

  • Lower your running costs from day one

  • Cut your home’s CO₂ emissions

  • Enjoy reliable renewable energy for decades

With EPC’s expert installation and advice, you’ll have a system tailored to your build, your budget, and your lifestyle. Start your self-build the bright way—with solar.

Solar panel installer

Store Your Self-Build’s Energy with Battery Storage.

Give your self-build true energy independence with a smart battery storage system.

By integrating storage from day one, you can capture surplus solar power, store cheaper off-peak electricity, and keep your home running—day or night, rain or shine.

Our advanced battery systems work seamlessly with solar panels or as a standalone solution, letting you maximise your renewable investment and take control of your energy use.

  • Use more of your self-generated solar power

  • Protect your home from price spikes and outages

  • Cut reliance on the grid and lower your bills

Choose from trusted, industry-leading brands such as Tesla Powerwall, SolarEdge, and GivEnergy for a system that fits your build perfectly. With EPC, your self-build will be ready for a smarter, more resilient energy future.

Battery storage solutions

Fresh Air for Your Self-Build with MVHR.

Breathe Cleaner, Fresher Air – All Year Round.

Design your new home to breathe as well as you do. By integrating a Mechanical Ventilation with Heat Recovery (MVHR) system into your self-build, you’ll enjoy a constant supply of fresh, filtered air while recovering up to 90% of the heat from outgoing air—keeping your home comfortable and efficient all year round.

An MVHR system reduces condensation, improves indoor air quality, and cuts heating demand—perfect for airtight, energy-efficient self-build homes.

  • Enjoy fresher, cleaner air in every room

  • Reduce heat loss and energy waste

  • Eliminate stale air and condensation issues

With EPC’s expertise and industry-leading systems from brands like Zehnder and Vent-Axia, your self-build will have a healthy, efficient ventilation system built in from day one.

MVHR Installer

Self-Build Comfort with Underfloor Heating.

Precision-designed warmth, tailored to your home’s exact needs.

Enjoy luxury and efficiency with an EPC underfloor heating system, designed for your self-build using detailed room-by-room heat loss calculations. This ensures every circuit delivers consistent warmth and maximum efficiency—without bulky radiators taking up space.

For a complete package, we can also install high-quality screed to protect your system and prepare it for your chosen flooring.

  • Precision-designed from heat loss data

  • Even heat in every room

  • More space with no radiators

  • Heat pump compatible for low-carbon heating

  • Optional screed installation

Future-proof, perfectly balanced, and built to last—your underfloor heating will keep your home comfortable for decades.

Underfloor heating essex

Begin your Self-Build Journey

Our team works closely with you and your builders to ensure a seamless integration of these systems into your self-build project.

Get in touch for a free consultation and explore the possibilities of sustainable living.

Fully Accredited for Self Build Success.

EPC holds MCS, NICEIC, and RECC accreditations, meaning every renewable system we install is fully compliant, high quality, and eligible for government incentives. We work hand-in-hand with your build team from day one, ensuring your heat pump, solar PV, battery storage, underfloor heating, and MVHR are designed in for maximum performance and efficiency.

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MCS Certified

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TrustMark Accredited

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NAPIT Accredited

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RECC Accredited

Comparing Prices?

Got quotes from other suppliers for your self-build project? Share them with us—we’ll aim to match them and, where possible, beat them. With EPC, you’ll get competitive pricing without compromising on the quality, performance, or compliance of your renewable energy systems.

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EPC Reviews

Don’t just take our word for it—hear from the self-builders we’ve helped turn their vision into reality. Across the UK, we’ve supported thousands of homeowners in creating energy-efficient, future-ready properties that meet the highest sustainability standards.

Have any questions?

Who Are We?
We're EPC, your go-to team for all things renewable energy. Based in the heart of Chelmsford, Essex, we've made it our mission to help you save on bills and make a positive impact on the planet. From heat pumps to solar panels, we design, supply, and install solutions that are not just smart but also kind to your wallet and the earth. With us, you're not just a customer; you're part of a greener future
What Installation Services Do We Offer?
We've got you covered with a full suite of renewable energy installations! Think of us as your personal eco-warriors, ready to equip your home or business with the latest in heat pumps, solar panels, battery storage, and even snazzy mechanical ventilation systems. Whether you're looking to cool down, light up, or power through, we're here to make it happen with a smile.
What's Our Process for Scheduling an Installation?
Getting started with us is as easy as pie. Just give us a shout, and we'll chat about what you need, crunch some numbers, and give you a fair, transparent quote. No pushy sales, no hidden fees. Once you give us the green light, we'll pencil you in for a date that works for you. Our aim? To make your switch to renewable energy as smooth and hassle-free as possible.
Can We Provide a Quote Before Installation?
Absolutely! We believe in transparency every step of the way. After a quick chat about your needs and a brief assessment, we'll provide you with a detailed quote that outlines everything - no surprises, no last-minute add-ons. We're here to make sure you have all the info you need to make the best decision for your space and your budget.
What Are Our Service Areas?
While our home base is in Essex, our green energy crusade knows no bounds. We've got teams across the South of England, ready to bring renewable energy solutions to Essex, Hertfordshire, Suffolk, Kent, Surrey, Cambridgeshire, Greater London, and beyond. If you're in the South and dreaming of a greener future, chances are, we've got you covered.
How Long Does an Installation Typically Take?
We know your time is precious, so we aim to make installations swift and seamless. Most of our residential installations are done and dusted in just one day. That's right – you could be enjoying cleaner, greener energy by the time the sun sets. We're all about efficiency without compromising on quality.
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