Self Build Blog

Why building to the PassivHaus Standard can increase your homes market value

Written by Emma Corfield | 13.5.2025

 

When planning a new home, it’s natural to think about design, location and budget—but what about its long-term value? More homeowners and self-builders are now turning to the Passivhaus standard as a way to future-proof their investment. Originally developed in Germany, Passivhaus (or Passive House) is a rigorous energy efficiency standard that delivers superior performance in terms of comfort, energy use and sustainability.

As the UK moves toward net-zero targets and tighter energy regulations, such as the upcoming Future Homes Standard, we expect the Passivhaus approach to play a major role in shaping how homes are designed and built. Homes that already meet or exceed these standards will be ahead of the curve, making them more desirable and valuable in the years to come.

But beyond energy savings, what many people don’t realise is that building to the Passivhaus standard can actually increase your home's market value. Here’s why.


LOWER RUNNING COSTS MAKE THE HOME MORE ATTRACTIVE 

Passivhaus homes are designed to drastically reduce the amount of energy needed for heating and cooling—typically by up to 90% compared to a standard UK home. This is achieved through high levels of insulation, airtight construction, triple glazing, and mechanical ventilation with heat recovery (MVHR).

For future homeowners, this translates into significantly lower utility bills. In a time of rising energy prices and cost-of-living pressures, the appeal of a home that costs just a few hundred pounds a year to heat is obvious. Buyers are increasingly aware of energy efficiency ratings, and a home that can demonstrate extremely low running costs is often perceived as more valuable—and rightly so.

REDUCED ENVIRONMENTAL IMPACT APPEALS TO ECO-CONSCIOUS BUYERS

Sustainability is no longer a fringe interest. Whether it’s due to climate concerns, social responsibility, or legislation, the demand for greener homes is rising sharply. Passivhaus homes, by dramatically cutting energy consumption and carbon emissions, are among the most sustainable buildings available.

With the UK’s Future Homes Standard on the horizon and net-zero targets looming, homes that already meet or exceed those performance benchmarks are considered ahead of the curve. Buyers who are environmentally conscious—or simply want a home that won’t need costly retrofitting in the future—see Passivhaus as a smart, future-proof investment.

COMFORT AND HEALTH BENEFITS SET PASSIVHAUS HOMES APART

Passivhaus buildings offer exceptional levels of thermal comfort and air quality year-round. Thanks to their airtightness and insulation, there are no cold spots, no draughts, and indoor temperatures remain stable even during winter cold snaps or summer heatwaves.

The MVHR system constantly brings in fresh, filtered air and removes stale, moist air, resulting in superior indoor air quality. This is a major plus for people with asthma, allergies, or other respiratory conditions. Studies also show that homes with good indoor air quality can lead to better sleep, improved concentration, and general well-being.

These comfort and health benefits aren’t just nice-to-haves—they’re increasingly seen as essentials by today’s buyers. A home that delivers these features as standard will likely stand out in the market and command a premium.

ENERGY PERFORMANCE AND CERTIFICATION BOOST RESALE CONFIDENCE

Passivhaus homes are backed by rigorous certification. Unlike vague or inconsistent energy performance claims, the Passivhaus standard is quantifiable and verified through performance modelling and testing. This certification reassures prospective buyers that the home performs as advertised.

In a resale market where buyers want certainty, Passivhaus certification acts as a badge of quality and reliability. Just like a well-maintained car with a full service history, a home that’s been built and tested to the Passivhaus standard is seen as a sound, low-risk investment.

HOW AC ARCHITECTS  CAN HELP YOU ACHIEVE PASSIVHAUS?

At Allan Corfield Architects, we specialise in helping self-build clients create homes that meet the highest standards of performance, design, and sustainability. Our team includes certified Passivhaus designers who can guide you through every stage of the process—from the initial concept and detailed design, through to construction and certification. We work closely with consultants, energy modellers, and suppliers to ensure that your dream home meets the Passivhaus standard without compromising on aesthetics or functionality. Whether you’re aiming for full certification or simply want to design to Passivhaus principles, we’re here to help make your low-energy, high-comfort home a reality.

 

Contact us here if you would like to talk to one of our experts about designing your own Passivhaus.