At Fife Architects, we are committed to environmentally conscious design. We carefully select and recommend sustainable materials for every project, whether it’s a new build or a renovation. While restoring or renovating existing buildings is generally more eco-friendly than new construction, there are numerous strategies to make all residential projects highly energy-efficient and good for the environment.
What is Sustainable Architecture?
Often referred to as ‘green architecture,’ sustainable architecture prioritises minimising ecological impact while maintaining functionality and comfort while ensuring al building remain useable and efficient throughout its life. This approach involves considering sustainability at every stage of a building’s life cycle including during the building’s use which account for most of the building impact over its lifetime, so it is not just about considering the impact of the design during construction.
Key considerations include:
Energy efficiency – To ensure our resources are efficiently used in every home
Building orientation – To ensure we take advantage of the environment in the design
Renewable technologies – To ensure we use the free natural energy in our buildings
Resource conservation – To ensure the resources already used or extracted remain in use for as long as possible
Creating healthy living environments – To ensure the built environment remains relevant and comfortable for years to come.
It is often difficult to know how the above considerations can be applied directly into your project, so here are some tips to give you an idea of how this can work in architecture.
Top 7 Tips for Achieving a Sustainable, Eco-Friendly Home
1. Use Timber
Timber is an excellent sustainable material choice for architecture due to its numerous benefits. As a renewable resource, timber from responsibly managed forests can be a more environmentally friendly alternative to steel and concrete, which have higher embodied carbon emissions during production. Using timber in construction not only reduces the overall carbon footprint of a building but also offers other advantages such as natural insulation properties, versatility in design, and a warm, inviting aesthetic. Additionally, timber is a durable material that can last for decades with proper maintenance, making it a practical and sustainable choice for various architectural applications.
2. Green Roofs
Incorporating green roofs into flat roof designs offers several environmental and practical benefits. Green roofs help mitigate the urban heat island effect by absorbing and retaining rainwater, reducing stormwater runoff, and providing natural insulation, which can lower energy consumption for heating and cooling. They also contribute to improving air quality by filtering pollutants and producing oxygen. Furthermore, green roofs can extend the lifespan of the roofing membrane by protecting it from UV radiation and extreme temperatures. These living roofs provide valuable habitats for urban wildlife and promote biodiversity in urban areas. Overall, green roofs are a sustainable solution that not only enhances the aesthetic appeal of buildings but also contributes to a healthier urban environment.
3. Insulation
Proper insulation is crucial for maintaining warmth with minimal energy use. Many older homes lack adequate insulation, making them expensive to heat. Enhancing insulation in walls, roofs, and windows can greatly improve energy efficiency. When selecting insulation materials, consider natural fibre options like wool, hemp, or cellulose as sustainable alternatives to synthetic insulations. Natural fibre insulations are renewable, biodegradable, and have lower embodied energy. They allow better breathability, moisture management, and air circulation, preventing issues like condensation and mould growth. Many natural fibres also provide excellent thermal performance and inherent fire resistance, making them a safer choice. While potentially more expensive upfront, natural fibre insulations offer long-term sustainability benefits and can contribute to improved indoor air quality and energy savings.
4. Renewable Energy (Solar & Wind Power)
Incorporating renewable energy sources like solar and wind power offers numerous benefits for sustainable architecture. Solar panels harness energy from the sun, a renewable and inexhaustible resource, reducing reliance on depleting and environmentally harmful fossil fuels. As technology advances, solar panels are becoming more efficient and cost-effective, significantly lowering electric bills and providing energy independence. Homes powered by solar energy, especially when combined with solar battery systems, can operate off-grid and offer backup power during outages. Similarly, wind turbines convert wind energy into electricity, another clean and renewable source. Integrating wind power into the energy mix can further reduce the carbon footprint of a building. Both solar and wind power contribute to a greener electricity grid and align with the transition towards sustainable living. Technological improvements and innovative products in this sector continue to enhance the viability and accessibility of these renewable energy solutions for residential and commercial applicationsechnological advancements are continually improving the design and efficiency of solar power systems. One product we’re particularly impressed with is Catnic Solar Seam, developed in collaboration with TATA Steel.
5. Use of Sustainable Materials
Use of Sustainable Materials
Selecting sustainable building materials is a crucial aspect of environmentally conscious design. Incorporating materials with low embodied carbon and environmental impact can significantly reduce the ecological footprint of a construction project. Here are some products we would highlight:
Reclaimed Materials: Utilising reclaimed wood, bricks, and other materials from demolished structures or repurposed sources reduces resource demand, waste, and the energy required for new material production.
Recycled Timber: Responsibly sourced timber from sustainable forests is renewable and has a low carbon footprint. This includes panels and board with recycled content like OSB and Plywood.
Bamboo: Fast-growing and highly renewable, bamboo is an increasingly popular material for various architectural uses, including flooring, furniture, and even structural elements. Its rapid growth rate and versatility make it a sustainable alternative to wood in many cases.
Natural materials like wood, bamboo, and stone offer not only environmental benefits but also aesthetic appeal and potential health advantages by reducing exposure to chemicals and indoor pollutants. When selecting materials, it’s essential to verify sustainability claims, seek product declarations, and prioritise options with lower embodied carbon emissions. Engaging with professionals and suppliers committed to sustainable practices can help navigate the selection process and ensure responsible material sourcing.
6. Wellbeing
Since we spend a significant portion of our lives indoors, it’s crucial to design sustainable homes that prioritise occupant wellbeing and indoor environmental quality (IEQ). Factors like natural light, fresh air, and a connection to nature can significantly impact physical and mental health while also making spaces so pleasant that they become intrinsic to our lives and thus less likely to be altered or demolished (Design once and design for life). Here are a few design principles we aim to consider on every project.
Daylighting: Incorporating strategies like strategically placed windows, skylights, and light shelves can maximise natural light penetration, reducing the need for artificial lighting and creating a brighter, more inviting living space.
Indoor Air Quality: Sustainable materials with low or no volatile organic compounds (VOCs) and proper ventilation systems can improve indoor air quality, reducing exposure to pollutants and allergens.
Biophilic Design: Integrating elements of nature, such as living walls, indoor plants, and natural materials, can promote a sense of connection to the outdoors and foster a calming, restorative environment.
Acoustics: Careful consideration of acoustics through sound-absorbing materials and thoughtful layout can minimise noise pollution and create a more serene living experience.
Thermal Comfort: Passive design strategies, like optimised building orientation and shading, combined with efficient HVAC systems, can maintain comfortable indoor temperatures while minimising energy consumption.
By addressing these factors, sustainable homes can not only be environmentally friendly but also promote occupant health, productivity, and overall wellbeing. Design choices that prioritise IEQ can create living spaces that are both sustainable and enjoyable to inhabit.
7. Use of New Energy-Efficient Heating Systems
As we transition towards a more sustainable future, adopting energy-efficient heating systems is crucial for reducing the carbon footprint of buildings. One promising solution is the integration of air source heat pumps, which extract heat from the outside air and transfer it indoors, providing space heating and hot water. These systems are highly efficient and can significantly reduce energy consumption compared to traditional gas boilers or electric heaters.
Another innovative technology is mechanical ventilation with heat recovery (MVHR) systems. These systems facilitate controlled ventilation while recovering heat from the outgoing stale air and transferring it to the incoming fresh air. MVHR not only improves indoor air quality by circulating fresh air throughout the building but also minimises heat loss, contributing to energy savings and thermal comfort.
The combination of air source heat pumps and MVHR systems offers a comprehensive solution for sustainable heating and ventilation. These systems align with the transition towards all-electric homes and the phasing out of gas boilers, as mandated by initiatives like the UK’s New Build Heat Standard.
Beyond energy efficiency, these systems also offer benefits such as reduced maintenance requirements, improved air quality, and compatibility with renewable energy sources like solar panels. As technology continues to advance, the efficiency and affordability of these systems are expected to improve further, making them increasingly accessible for residential and commercial applications.
By embracing these new energy-efficient heating systems, architects and homeowners can significantly reduce their carbon footprint while promoting a comfortable and healthy indoor environment, paving the way for a more sustainable future.