5 Interior Design Mistakes That Ruin Your Home’s Daily Comfort

When embarking on a home renovation or moving into a new build, it is easy to get swept away by the ‘Instagrammable’ aspects of design. We spend hours agonising over Farrow & Ball paint swatches, the texture of velvet sofas, or the perfect herringbone flooring. However, the true quality of a home is often dictated by what we cannot see—or rather, what we only notice when it fails to work.

Interior designer Julija Naradauskaitė-Brunickė, founder of IJANdesign, suggests that the most significant errors made by homeowners occur long before the furniture arrives. The comfort of a living space is less about the statement chandelier and more about the technical infrastructure that supports daily life. When technical planning is treated as a secondary phase rather than a foundational one, the result is a beautiful home that is frustrating to live in.

The Trap of Technical Afterthoughts

One of the most frequent mistakes is viewing electrical and technical installations as a separate, later stage of the project. In reality, these should be planned in tandem with the furniture layout and your daily habits.

“Good electrical planning is the invisible quality of an interior,” says Naradauskaitė-Brunickė. “We don’t think about it as long as everything works perfectly. But as soon as you realise it’s inconvenient to turn off the light in the bedroom without getting out of bed, or that a switch is hidden behind a wardrobe, these decisions immediately become glaringly obvious.”

In the UK, where many are renovating older period properties, this issue is amplified. Retrofitting sockets into solid brick walls or under floorboards after the decorating is finished is not only messy but prohibitively expensive. A ‘living scenario’ approach—mapping out exactly where you will sit, charge your phone, and plug in the vacuum—is essential before the first wire is laid.

Planning for Today, Ignoring Tomorrow

Homeowners often design for their current lifestyle without considering how their needs might evolve over the next five to ten years. A spare room might be a nursery today but will require high-speed data ports and multiple power outlets for a home office or a teenager’s gaming setup in the future.

Marjan Sadocha, a sales specialist at ABB, notes that modern homes require flexibility. “Technology in the home is only increasing, and habits change. If an interior is planned without flexibility, temporary solutions inevitably appear later—extension leads, adapters, or additional technical elements that are neither aesthetic nor convenient.”

To combat this, experts suggest choosing modular systems. For instance, the ABB Busch-art linear® series allows homeowners to integrate different functions—from light dimming and blind control to USB charging points—within a consistent design line that can be expanded as needs change.

The Failure of Single-Source Lighting

In many standard renovations, there is a tendency to rely on a single, central light source for each room. This is a missed opportunity for both functionality and atmosphere. Lighting should be layered: ambient (general light), task (reading or cooking light), and accent (highlighting architectural features or art).

“Light doesn’t just illuminate a space; it shapes emotion,” Naradauskaitė-Brunickė explains. “In the morning, you want a brighter, more active environment; in the evening, a softer, cosier atmosphere. Modern interiors almost always require several lighting scenarios to adapt to the rhythm of the day.”

Integrating smart controls or dimmers allows a single room to transition from a bright home office to a relaxed cinema room at the touch of a button. If these circuits aren’t planned during the ‘first fix’ stage of electrical work, achieving this versatility later becomes a major structural challenge.

Overlooking the Ergonomics of Movement

Even the most aesthetically flawless home can feel ‘clunky’ if the ergonomics are wrong. This refers to how we move through a space and interact with its elements. A common error is placing switches in positions that feel counter-intuitive.

Switches should be located where you instinctively reach for them—at the entrance to a room, along primary pathways, and within arm’s reach of the bedside. If you have to walk across a dark room to find the light switch, the design has failed. Ergonomics also extends to the height of sockets; for example, placing kitchen sockets too low can make it difficult to plug in heavy appliances, while placing them too high can disrupt the visual line of a tiled splashback.

Treating Technical Elements Only as Functions

For too long, light switches and sockets were viewed as purely functional items to be hidden away. However, in a high-end interior, these details act as the ‘jewellery’ of the room. Choosing cheap, white plastic fittings for a room with bespoke cabinetry and designer wallpaper is a common aesthetic mismatch.

Designers are increasingly seeing a trend toward minimalist forms and clean lines that blend subtly into the walls. By selecting technical elements that match the architectural language of the house—whether that’s matte black for an industrial loft or brushed brass for a Victorian terrace—these functional necessities become an organic part of the decor rather than a distraction.

Ultimately, the goal of a successful interior is to create a space where you don’t have to think about how to use it. By prioritising technical planning, future-proofing, and ergonomics, you ensure that your home remains as comfortable as it is beautiful.

Source: ELTA