Path-50, Unit3 first floor , 217 Marsh Wall, London (2026)

05/06/2026

Clay plaster is one of the oldest and most sustainable wall finishes in the world, and it is making a massive comeback in modern, eco-conscious interior design. Unlike standard gypsum plaster or synthetic paints, clay plasters are completely natural, nontoxic, and offer unique functional benefits for indoor living spaces.

Why Clay Plasters are Exceptionally Sustainable?

The environmental profile of clay plaster outclasses conventional wall finishes in nearly every category, particularly regarding energy use and indoor air quality.

*Low Embodied Energy: It requires minimal processing. While gypsum and cement plasters must be heated to extreme temperatures (often exceeding 1000°C) during manufacturing, clay plaster is simply unfired clay mixed with sand and natural fibers (like straw or h**p).

*100% Biodegradable & Recyclable: If you ever remodel, clay plaster can be scraped off the wall, broken down with water, and completely reused or safely returned to the earth.

*Zero VOCs: It contains absolutely no volatile organic compounds (VOCs), synthetic chemicals, or artificial pigments. It color-matches using natural mineral pigments or the inherent shade of the sourced clay.

29/05/2026

We’re starting to see a clear shift in the UK. Hot summers and heatwaves are becoming more frequent, and suddenly many homes are struggling with overheating.
For years, everything we design has been focused on one thing: keeping homes warm but going forward, we’ll need to think just as seriously about keeping them cool.
Most people will say: “No problem, just install air conditioning.” but that’s not the only way, and not always the right one.

Heat pumps can do more than just heat.
Heat pumps are becoming a big part of the conversation in the UK, mainly as a low‑carbon alternative to boilers.
What’s less known is that some systems are reversible.
That means in summer they can take heat out of the house and release it outside, effectively working the other way around.
But this isn’t typical air conditioning.
• it won’t blast cold air
• it won’t aggressively chill the space
• it simply drops the temperature a few degrees and prevents overheating
It’s better described as comfort cooling, keeping the indoor environment stable rather than trying to make it cold.

Why it matters?
If we respond to hotter summers by just adding more AC everywhere, we’re heading in the wrong direction.
Cooling uses a lot of energy — especially at peak times when the grid is already under pressure.
At the same time, most UK homes aren’t designed for heat. They’re built to keep it in and that’s exactly why they now overheat.

The catch:
This isn’t a plug‑and‑play solution.
For it to work properly, the house needs to be:
• well insulated and airtight
• Equiped with MVHR system
• designed to reduce heat gain
• and fitted with the right emitters to allow effective cooling
That’s why it works best in:
• new builds, or
• proper, well‑thought‑through renovations

Final thought:
We’ve spent decades learning how to keep heat in.
Now the challenge is learning how to keep it out in a smart, efficient way.
Cooling is coming. The question is whether we design for it properly or fix it later with energy‑hungry solutions.

FutureProof GreenEnergy PassiveHouse Retrofit EcoHome ArchitectureUK

19/05/2026

Big news for sustainable buildings!

The Passivhaus standard is now recognized as meeting key parts of the UK Net Zero Carbon Buildings Standard (UK NZCBS) at practical completion.

This marks an important step toward accelerating high-performance, low-carbon buildings across the UK. By aligning with the upcoming Version 1 of the Standard, Passivhaus certification becomes a clear and trusted pathway toward net zero buildings.

Why this matters:
* Greater confidence in net-zero construction
* A proven route for ultra-low energy buildings
* Stronger alignment between performance standards

If you're involved in architecture, construction, sustainability, or building design, this is a major development worth understanding.

Read the full update here: https://www.passivhaustrust.org.uk/news/detail/?nId=1553

PassiveHouse NetZero SustainableDesign ClimateAction BuildingInnovation FutureOfConstruction LowCarbonBuildings

07/05/2026

Did you know that Passivhaus buildings are designed to deliver exceptional comfort, efficiency, and sustainability?
Here are 6 key benefits that make them the future of construction:

1. Health & Wellbeing
Continuous fresh air ventilation improves indoor air quality, reduces allergens, and creates a healthier living and working environment.

2. Climate Impact
Ultra-low energy demand dramatically reduces carbon emissions, helping tackle the climate emergency.

3. Social Benefits
Better indoor comfort, consistent temperatures, and quieter spaces improve quality of life for occupants.

4. Building Performance
High-performance insulation, airtight construction, and smart design ensure buildings perform efficiently all year round.

5. People Performance
Comfortable environments boost productivity, focus, and satisfaction for people living or working inside.

6. Financial Savings
Lower heating and cooling needs mean significantly reduced energy bills and long-term operating costs.

Better buildings = better living.
Passive House design proves that sustainability, comfort, and performance can go hand in hand!

NetZero HealthyBuildings

27/04/2026

Fresh air, fresh thinking!

We love working outdoors whenever possible. Being surrounded by nature is a powerful reminder of why sustainable building matters so much.

By creating buildings that use dramatically less energy while maintaining exceptional comfort and air quality, we can reduce environmental impact and build a healthier future.

Passive House isn’t just about buildings.
It’s about people, wellbeing, and protecting our planet!

ClimateAction SustainableFuture

17/04/2026

As the demand for sustainable and energy-efficient buildings grows, Passivhaus is becoming one of the most trusted approaches for delivering high-performance homes and buildings.

But what makes it different?
* Ultra-low energy demand
* Exceptional indoor comfort all year round
* Reduced carbon emissions
* Lower heating and cooling costs
* Healthier indoor air quality

Passivhaus isn’t just about saving energy, it’s about creating buildings that perform better, last longer, and support a low-carbon future.

At PATH50, we believe that better buildings are key to achieving real climate impact.

NetZero LowCarbonLiving SustainableDesign FutureOfHousing ClimateAction EcoArchitecture

24/03/2026

The greatest benefits are the ones the technical brochures don't speak about.

Most conversations about Passive House revolve around energy targets:
- 15 kWh/m²
- Primary energy demand
- Airtightness values.

Important metrics, but they rarely capture what people actually experience once they start living in these buildings.

The real shift is much more subtle. And much more valuable.

Rooms that were previously uncomfortable suddenly become usable. Heating systems shrink dramatically because the building itself is doing most of the work. Dust levels drop. The house holds its temperature long after the heating switches off.

None of these things show up neatly on a specification sheet - but they are often the details homeowners notice first.

If you're thinking about upgrading your home, get in touch at [email protected].

18/03/2026

There is a persistent myth in the retrofit conversation that upgrading a house is mainly about installing new technology.

A heat pump replaces the boiler, solar panels go on the roof, and the job is more or less done, right?
Wrong.

In reality, retrofit tends to expose something much more fundamental about our existing housing stock: most homes were never designed as coherent systems in the first place.

They evolved gradually, extensions were added years later, services were rerouted during renovations, and often, insulation appears in some areas but not others.

Layer after layer of decisions accumulated over decades, often without a clear overall logic.

What looks like a straightforward technology upgrade quickly becomes an exercise in understanding how the house actually works, what has been changed over time, and how those pieces can be brought back into alignment.

That is why good design is rarely about choosing the right product. It is about untangling the building itself and re-establishing a coherent strategy for how it should perform going forward.

Only once that logic is clear do the technologies start to make sense.

13/03/2026

Out of theory and into evidence👇

These Passive House Case Studies show just how varied the right answer can be depending on the building, its constraints, and design approach.

Some projects begin with certification. Others start by modelling what is actually achievable and working from there.

Whatever the strategy may be, they all demonstrate that high-performance retrofit isn’t about copying one formula from project to project, it’s about understanding the building in front of you.

For anyone working in retrofit, this growing library of real projects is incredibly useful. You can explore the case study discussion here:

https://www.linkedin.com/posts/passivhaus-retrofit-share-7426882698767495168-rpNC

Credit to the organisations driving and documenting this work, including:
Passivhaus Trust
Passive House Institute | iPHA, and
Passive House Plus

And of course the many architects, engineers and builders contributing data to the growing body of retrofit knowledge.

Path-50

05/06/2026

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19/05/2026

07/05/2026

27/04/2026

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24/03/2026

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13/03/2026

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