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Start with the Building Fabric

One of the most important lessons is that sustainability begins with the building itself. High levels of insulation, excellent airtightness and careful detailing are often more important than any single piece of technology. A well-designed building envelope reduces energy demand throughout the life of the home, creating a comfortable internal environment while lowering running costs.

 

Passive Solar Design Matters

Understanding the path of the sun is fundamental. By positioning glazing carefully, we can maximise natural daylight and winter solar gain while minimising overheating during the summer months. At Black Timber House and Fairview, passive solar principles played a significant role in achieving excellent energy performance while creating bright and uplifting living spaces.

 

Technology Works Best When Demand Is Low

Air Source Heat Pumps, Mechanical Ventilation with Heat Recovery (MVHR), battery storage and solar PV systems can all contribute to reducing energy consumption. However, these technologies perform most effectively when paired with a highly efficient building fabric.

The goal is not simply to generate more energy but to need less energy in the first place.

 

Natural Materials Create Better Homes

Sustainable architecture is about more than energy performance. The use of natural materials such as timber, slate, flint and oak creates healthier and more enduring buildings that age gracefully and connect occupants to their surroundings.

 

Every Site Requires a Different Response

There is no single formula for sustainable architecture. A listed cottage, a replacement dwelling and a contemporary countryside home each require different solutions. What remains consistent is the need to balance environmental performance, architectural quality and the experience of living within the building.

 

Looking Forward

As building regulations continue to evolve and energy costs remain a consideration for homeowners, low-energy design is becoming increasingly important. Our experience across Sussex has shown that sustainable homes can be beautiful, comfortable and deeply connected to their setting while significantly reducing their environmental impact.

 

If you are considering a new build, renovation or extension project, we would be happy to discuss how sustainable design principles can be incorporated from the outset: info@hapa-architects.co.uk

 

Related Projects:

Black Timber House

The Brick Barn
Old Rectory Cottage

Fairview

 

Related Services:

Sustainable Homes

New Build Homes

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We are excited to announce that Black Timber House has been shortlisted for the @architectsjournal Awards, project under £500K category.

We had a vision to create a striking eco house in the heart of the South Downs National Park that would stand the test of time, using local and sustainable materials whilst using passive ways to reduce energy consumption. The result is Black Timber House in Rodmell.

“From the onset Hapa listened and understood my brief. We collaborated fully from feasibility design, through to completion of the house including project management. They incorporated my initial thoughts whilst adding design details I hadn’t even contemplated which enhanced my ideas and made the best possible use of the plot and surrounding area.

Throughout this process they listened to any concerns I had and sought to find a solution that satisfied me as a client, the budget and the builder, whilst keeping an integrity of design, not always easy.

In terms of quality of work, timeliness and cost management I could not recommend them more highly. Unforeseen circumstances have always been mitigated by innovative solutions which have demonstrated their architectural design competence. I am absolutely delighted with the outcome.”

Contractor: Brian Huntly Builders
Photos: Jim Stephenson

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We are working on an interesting 26 unit retirement bungalow and community facility scheme in Magham Down, Hailsham. A truly sustainable approach is at the core of our designs and will be delivered entirely via Modern Methods of Construction (MMC) and powered by renewable energy sources resulting in a hugely reduced carbon footprint compared to a traditional construction approach.

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We are excited to share our latest project with you which recently completed in Brighton. Chamfer Houses are three, new build, detached, family houses in Roedean, Brighton with incredible sea views. The construction of these houses were achieved through a timber modular system – Modern Methods of Construction (MMC). We successfully created a new site with three new low-energy dwellings.

MMC is an exciting form of construction with the frames of all the houses fabricated off-site, transported, and fitted onto site. As green ethos and design-led architects this became an important project for us. 

There are significant environmental benefits to be gained from using MMC in construction. 80% less waste material means less resources used and fewer emissions produced. This is especially important given that the construction industry is the UK’s biggest consumer of natural resources. Every year, construction uses an estimated 450 million tonnes of material. Much of this has large emissions associated with its production or transportation. This, coupled with the waste produced by the construction industry, makes for some pretty grim environmental figures.

To see more on this project take a look here: https://hapa-architects.co.uk/portfolio/the-chamfer-house/

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RIBA Southeast Awards

Amazing to have a double win for Black Timber House. Winning both the RIBA Southeast Regional award, and Small Project of the Year award. What a wonderful accomplishment and we feel honored to be amongst such great design and practices. It was a great night that the RIBA put on, looking forward to the National Awards!

Do take a look at our Awards page to see other projects noted for their design and innovation.

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Steel frame going up at our site in Sussex. After a very wet March and April we are looking forward to sunnier and drier days!

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‘Black Beauty – The charred timber house’

Do have a read and let us know what you think!

Photos by Jim Stevenson

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The brick slip installation has started at our pre-fab site in Roedean. They will help to soften the retaining walls and clad the pre-fabricated houses on site.

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We are working on a 3 house scheme in Roedean, Brighton. This has a slightly different approach as all 3 houses use a modular pre-fabricated construction process in a bid to reduce the waste and site construction time. The sloped chalk site overlooks the sea with stunning views of the coast. As extensive groundworks and retaining elements have had to be implemented off site prefabrication has meant that the two elements can be constructed at the same time to speed things up.

The construction industry is the UK’s biggest consumer of natural resources. It uses an estimated 400m tonnes of material every year, which equates to 100m tonnes of waste being produced. These unfortunate figures show that on a traditional building project about a 25% of the materials used end up in a skip/landfill/recycled. Relating this to the overall waste produced by the UK, this is over a third of the UK’s total yearly waste.

Pre-fabrication is a great way to reduce the waste produced in buildings as offcuts and unused materials can be used in the next build. It also helps to speed up the build process, making it quicker than traditional methods. Another factor is weather, as the units are built in a factory they can work come rain or shine reducing the hold ups of bad weather. Other benefits include more accurate construction, tighter joints and accuracy, and better airtightness, which allows for better thermal efficiency. Pre-fabrication has a whole spectrum of possibilities as is an exciting way to design and construct modular designed buildings.

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