Building for wellness means intentionally designing, constructing, and managing built environments.
The houses we live in are more than just walls and roofs; they are environments that shape our health, comfort, and well-being every day.
From the air we breathe to the light that fills our rooms to the temperature, noise levels, and layout of our spaces, our living environments quietly influence physical health, emotional balance, and family life. Yet, many homeowners and tenants overlook how design choices can prevent illness, reduce stress, and boost social connections within the household.
The concept of building for wellness is changing this perspective, turning the focus from mere aesthetics or functionality to how homes actively support health.
Dr Nkatha Gichuyia.
DN2 Property spoke with Dr Linda Nkatha, an architect and climate resilience expert, who explains what makes a home truly healthy, shares affordable wellness-focused practices for everyday household, and highlights trends shaping the future of healthy living in Kenya.
What does “building for wellness” mean, and why should homeowners and developers begin to view housing design through a health lens?
Building for wellness means intentionally designing, constructing, and managing built environments, be it homes, offices, schools, commercial spaces, and industrial facilities in ways that support physical health, mental well-being, and overall quality of life. It goes beyond aesthetics and functionality to consider how light, air quality, materials, acoustics, spatial layout, safety, and access to nature influence daily living.
This approach reconnects building design with public health objectives. Rather than treating housing and infrastructure as static assets, it recognises the built environment as a living, everyday setting that continuously interacts with human behaviour, emotions, and health outcomes. In this sense, buildings become preventive health tools, not just shelters.
Building for wellness also calls on all built-environment stakeholders to adopt a health lens. This includes demand-side stakeholders, homeowners, tenants, communities, and users whose needs define how spaces are lived in, as well as supply-side stakeholders such as architects, developers, planners, engineers, and policymakers who shape how these spaces are delivered. Remember that people spend most of their lives inside their homes, making residential design and estate management powerful determinants of health and well-being.
Why should homeowners and developers begin paying attention to the idea of healthy homes?
If any built form matters most for health, it is housing. Unlike other building types, homes accommodate the full spectrum of daily life, from waking up and eating meals to resting, socialising, and sleeping. Children, the elderly, and vulnerable individuals often spend more time at home and are extra sensitive to health hazards, making housing design and management especially critical. Other building types, by contrast, mainly serve adults for specific hours and limited purposes. Importantly, the healthy homes concept is not exclusive to homeowners or high-end developments.
Healthy indoor temperatures generally fall between 18°C and 24°C, although tolerance varies by climate
It applies across owner-occupied houses, rental units, apartments, and all family types. Regardless of whether a household owns or rents, and irrespective of income level, providing a healthy indoor environment remains essential. Developers play a key role by delivering housing that meets health standards and anticipates future regulatory requirements, while homeowners influence health outcomes through how their living spaces are designed and maintained. Onboarding the idea of healthy homes, therefore, ensures housing supports well-being today while remaining resilient to changing health, environmental, and regulatory demands.
What is a healthy home and what are healthy living benchmarks in Kenya?
A healthy home is one that actively protects and supports the physical, mental, and social well-being of its occupants. Indoors, this means addressing critical factors such as air quality, ventilation, mould and dampness, thermal comfort, access to natural light, noise control, safe building materials, fire safety, waste and pest management, and protection from environmental hazards. Indoor air quality (IAQ) is often the make-or-break factor. We inhale about 12,000 litres of air daily, and when that air is polluted by smoke, chemicals, or mould, health impacts can be severe.
The World Health Organisation (WHO) has set guidelines for acceptable levels of pollutants such as fine particulate matter, carbon monoxide, nitrogen dioxide, formaldehyde, and dampness-related mould. Exceeding these limits is linked to headaches and allergies in the short-term, and to chronic respiratory disease, heart disease, cancer, and premature death in the long term.
Poor IAQ is a key contributor to sick building syndrome, commonly associated with inadequate ventilation, overcrowding, dampness, and emissions from building materials even in buildings that appear modern or are air-conditioned. Access to natural sunlight is another core benchmark. Every habitable room should receive adequate daylight to support visual comfort, reduce reliance on artificial lighting, and promote health.
In many dense urban areas of Nairobi, such as Kileleshwa, Roysambu, Pipeline, Hurlingham and Zimmerman, ground-floor homes receive little or no daylight, forcing families to dwell in dim interiors. For infants and toddlers, inadequate sunlight limits vitamin D intake and increasing the risk of rickets. One Nairobi clinic found that 71 per cent of infants diagnosed with rickets had less than three hours of sunlight per week, with severe vitamin D deficiency identified as the underlying cause.
Thermal comfort is equally critical. Healthy indoor temperatures generally fall between 18°C and 24°C, although tolerance varies by climate. In many places in Kenya, indoor overheating is a growing concern. Prolonged indoor temperatures above 30°C are linked to dehydration, heat stress, poor sleep, and worsening cardiovascular conditions, particularly among children, the elderly, and those with chronic illnesses.
A healthy home is one that actively protects and supports the physical, mental, and social well-being of its occupants.
Research conducted in Nairobi shows that occupants already experience frequent overheating, a risk that will intensify as the climate warms. Another critical factor is noise levels, which is an often-overlooked health hazard in housing. Chronic exposure to excessive noise causes stress, sleep disruption, reduced concentration, and increased risk of hypertension, and heart disease.
WHO guidelines recommend night-time noise levels below 30 dB and daily living levels below 35 dB. In many urban residential areas in Nairobi, background noise regularly exceeds 55 dB due to traffic, construction, and commercial activity, affecting both children’s learning and adults’ cardiovascular and mental health. These indoor comfort factors; air, light, temperature, and sound are core principles of building physics, a discipline that enables architects to design safe and healthy living environments.
Most of these risks can be prevented through good design decisions made early and carried through construction, operation, and maintenance. However, healthy homes are not shaped by buildings alone. Urban-level challenges such as overcrowding, poor waste management, unsafe construction practices, unregulated groundwater use, and weak enforcement of building standards greatly undermine health. Overcrowded housing is strongly linked to spread of tuberculosis, respiratory infections, diarrhoeal diseases, and mental health strain. Poor waste collection fuels pest infestations and mosquito breeding, while high-fluoride groundwater in some counties exposes children to dental and skeletal health risks.
While architects and developers can design healthier homes, addressing these broader risks depends heavily on effective county-level planning, regulation, and enforcement. Without this governance, even well-designed housing cannot fully deliver healthy living conditions.
Beyond physical health, how does thoughtful home design contribute to emotional well-being such as reducing stress or promoting family bonding?
Beyond physical health, homes function as daily emotional ecosystems, quietly shaping stress levels, relationships, routines, and a person’s sense of safety. The home is where emotional well-being is either supported or gradually eroded through everyday experiences. Thoughtfully designed homes, those with adequate daylight, good ventilation, and thermal and acoustic comfort, help reduce chronic stress, support quality sleep, and allow both the body and mind to settle.
Beyond comfort, good design provides a sense of control and predictability: clear spatial organisation, a balance between shared and private areas, and layouts that support daily routines. These qualities help anchor emotional stability and create conditions that support healthy family interactions and bonding. When homes feel protective, dignified, and connected to nature, they become spaces where people can cope, recover, and sustain well-being, rather than environments that quietly drain emotional energy.
This approach aligns with a specialised field known as salutogenesis, which focuses on designing for well-being rather than merely preventing illness. While traditional, pathogenetic approaches ask how buildings reduce harm, salutogenic design asks how spaces actively support meaning, dignity, social connection, and a coherent relationship between people and the spaces they inhabit in everyday life.
How can urban homeowners or tenants balance aesthetic preferences with health-friendly design when choosing finishes, furniture, or décor?
This can be done by recognising that housing is not just about appearance, but about managing trade-offs between beauty, function, cost, health, and long-term performance. Healthy design decisions make these trade-offs explicit, ensuring that finishes, furniture, and décor meet aesthetic preferences without undermining indoor comfort or well-being. Architects and built-environment professionals play a key role in guiding these choices, helping users achieve visually appealing spaces that remain healthy to live in. Ultimately, because people spend most of their lives indoors, homes should be treated as public-health infrastructure, not just decorative spaces.
With the rising cost of construction, some might think wellness-focused design is a luxury. How can ordinary Kenyans integrate affordable, health-conscious design practices in their homes?
Wellness-focused design is often considered as a luxury, but many health-conscious practices are low-cost and simple. Opening windows for ventilation, using shade and airflow to manage heat, preventing dampness, maximising daylight with layouts and light colours, and practising clean cooking can all improve comfort and health without major expense. Ultimately, healthy homes rely more on informed choices than costly products.
Looking ahead, what trends or innovations in architecture and interior design do you believe will shape the future of healthy living spaces in Kenya?
The future of healthy living in Kenya will be shaped by design innovation and stronger institutional guidance. Guidelines such as the Architectural Association of Kenya’s Healthy Homes Checklist translate building physics principles into practical standards for daylight, ventilation, thermal comfort, and noise control.
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