
The design of a bathroom should begin at the earliest stage of a renovation or new-build project. In many European cities, where homes vary from compact city flats to generous family apartments, the bathroom must be planned to maximise usability without compromising on comfort or style. A well-considered layout reduces the risk of awkward traffic patterns, awkward niches and inefficient use of storage. It also limits the need for disruptive changes to plumbing and drainage later in the project, which can be costly and time-consuming. In short, a thoughtful bathroom plan pays dividends in daily life and in the longevity of the space.
Key factors to address upfront include the number of users, the daily routine, accessibility needs and where laundry can be located. It is also essential to understand the building’s constraints: the position of service ducts, ventilation routes and the structural walls that can support changes. In most European renovations, the opportunity to expand a bathroom is contingent on permissions and compliance with local regulations, but when executed correctly it can yield a much more functional room.
In many European homes, a compact bathroom measuring around 3.5–4 m² presents a straightforward decision: does a full bath remain essential, or is a spacious shower a better use of space? A bath offers comfort for soaking and is valuable for families with children, but a well-designed shower can create a perception of airiness and make room for additional storage or a washing machine. Consider a shower area of at least 900 mm by 900 mm for ease of movement, with a clear glass screen to maintain light flow. A recessed shower tray or a wet room approach can also optimise the available footprint, while a frameless glass panel visually expands the space.
Practical details matter: use wall-hung fixtures to free floor space, choose a thermostatic mixer for quick, consistent temperature control, and select moisture-resistant panels and tiles that stop staining and make cleaning easier. If you opt for a shower, a shallow recess with an anti-slip floor will enhance safety, especially for children or older relatives. For larger households, a combined bath-and-shower solution can be a flexible compromise, providing both relaxation and practicality when needed.
Families commonly benefit from a double basin setup, particularly when morning routines are busy or when two adults share the bathroom. A dual vanity can be paired with ample storage space beneath and above, ensuring towels, cosmetics and cleaning equipment stay out of sight. If space allows, a small, dedicated area for a baby-changing surface can be integrated into the vanity or adjacent cabinet, designed to be easily demounted or reconfigured as the child grows. When a double sink is chosen, ensure there is enough counter space between basins for personal items, and consider a continuous worktop that can host a mirror, mirror cabinet and recessed lighting without creating visual clutter.
For smaller configurations, a shallow depth vanity with integrated drawers or a wall-hung console can provide generous storage while preserving legroom. Lighting is crucial here - install layered lighting (ambient, task and accent) to avoid shadows and to make the room feel larger. A large, well-positioned mirror can also visually double the space, particularly when placed opposite a window or a light source.
In many European homes, a separate toilet room (WC) adjacent to the bathroom is a practical solution, particularly for households that occupy the space with multiple users in the morning rush. A separate WC keeps the main bathroom available for cleansing and showering, reducing bottlenecks. In smaller flats, however, a combined bathroom may be more realistic and cost-effective, especially if structural changes are limited. A successful combined bathroom relies on efficient zoning: a dedicated wet area (shower or bath) plus a dry zone for the basin, storage and toilet. When possible, place the WC away from the main entry to the bathroom to preserve privacy and reduce humidity exposure on the seat and surrounding surfaces.
Whichever option you choose, ensure there is a minimum clear width of 1,000–1,200 mm between fixed fixtures to allow comfortable movement, and consider a wall-hung toilet to maximise the perceived space and simplify cleaning.
A perimeter layout - where the main fixtures run along the walls - offers a straightforward approach for efficient plumbing and clean sightlines. This arrangement works well when the room is elongated or narrow, as it minimises wasted space in the centre. Perimeter configurations also simplify maintenance since all services are accessible along the walls. In practice, you can combine a bath or shower on one side with a washbasin and WC on the opposite wall, or place a compact shower next to the basin with the WC tucked into the far corner. The key is to maintain generous circulation space and to keep door swings in mind, consider a pocket door or a single-swing door that doesn’t encroach on the main zone.
Material and fit-out decisions - like selecting a continuous tile run and a floating vanity - emphasise the horizontal lines and create a sense of flow, which visually extends the width of the room. Mirrors positioned to reflect natural light can further enlarge the perceived space while adding a touch of elegance to the design.
Where a bathroom is too small to meet a family’s needs, an expansion by reconfiguring an adjacent corridor, storage room or utility area can be a sensible strategy. In European urban housing, corridors between rooms are common and may offer clever opportunities to reallocate space. Before embarking on such a plan, consult the building’s regulations and obtain the necessary permissions. Structural assessments are essential to determine whether the wall is load-bearing, whether any walls require repositioning, and how best to handle waterproofing and drainage in the new layout.
In a typical expansion, you might extend the bathroom into a former corridor to create a more generous bath zone, or convert an unused utility room into a laundry and storage area that is directly plumbed for washing and drying. The resulting space should be carefully zoned: a wet area with shower or bath, a dry vanity zone for daily routines, and a compact yet functional storage wall to store linens, cleaning products and towels. After expansion, it is important to implement robust waterproofing, high-quality flooring with proper drainage, and well-sealed transitions to the rest of the home.
The wet room concept has gained popularity across Europe for small to mid-sized bathrooms. By creating a fully waterproof zone with a fully open shower area, it is possible to reclaim space that would otherwise be consumed by traditional shower screens and doors. A wet room typically uses a linear drain and large-format tiles to create a seamless, spa-like aesthetic. A key consideration is ensuring a gentle floor slope toward the drain (1–2%), so water exits the room efficiently without pooling. Install a robust ventilation strategy and moisture-resistant wall finishes to prevent mould and staining.
Glass screens or low-profile partitions can be used to contain splashes around a sink or WC, while maintaining an open, light-filled feel. A carefully chosen colour palette and the use of reflective surfaces - such as mirrors or polished metal accents - will further amplify the sense of space in a wet room layout.
In many European homes, placing a washer and, optionally, a compact dryer within the bathroom is common. To optimise efficiency, designate a dedicated laundry niche within the bathroom or a nearby utility area that is connected to the same drainage and venting network. A compact washer-dryer stack can be tucked under a counter with a sink and storage drawers. When planning for a combined laundry and bathroom, ensure there is adequate clearance around the appliances for door access, maintenance and venting. Use moisture-resistant cabinetry, pull-out baskets for laundry, and vertical towers for detergents and cleaners to keep the space organised and user-friendly.
Important details include vibration control for washing machines, a robust water-resistant base for the washer, and splash zones that are separated by a low lip or glass screen. Ensure the washer’s water inlet hoses, drainage, and electrical sockets comply with local safety standards and are easily accessible for maintenance.
Efficient storage is the heartbeat of a calm, well-functioning bathroom. In compact spaces, built-in niches, recessed shelving, and wall-hung cabinets help to maintain clean sightlines and prevent clutter. Consider a tall recessed cabinet that stretches from floor to ceiling for linen and toiletries, or a vanity with deep drawers to keep daily essentials organised. Ledge shelves above the basin can hold frequently used items, while closed-storage behind mirrored fronts keeps everyday products out of view.
When designing storage, plan for three zones: towels and linen, daily essentials, and cleaning supplies. Colour-coding or smart organisation systems can aid daily routines and ensure everything has a designated place. In larger bathrooms, separate storage zones - one near the bath or shower, another near the sink - avoid cross-traffic and keep the room calm and orderly.
Lighting has a transformative effect in bathrooms. A layered approach - ambient general lighting, task lighting around mirrors, and accent lighting for mood - creates depth and makes a room feel more expansive. Avoid harsh, direct glare by using diffusers or warm-colour LEDs (2700–3000 K) around the mirror for flattering reflections. Mirrors play a crucial role in space perception, a large, well-positioned mirror will bounce light around the room and visually double its width. Consider mirrored cabinetry to combine function with reflection, and add vertical lighting to emphasise height in rooms with lower ceilings.
In European homes with limited natural light, it is especially important to plan for bright, neutral or light-coloured finishes that reflect daylight. Think about pairing white or soft-grey wall tiles with pale floor tiles and judicious pops of colour in towels or accessories to create warmth without overpowering the space.
Selecting finishes that withstand moisture while staying stylish is essential in any bathroom. Large-format porcelain or ceramic tiles reduce grout lines and are easier to clean, while full-height wall tiling can make the space feel more expansive. For floors, consider non-slip tiles with a subtle texture - particularly near the shower area - to minimise the risk of slips. In terms of colour, light neutrals tend to maximise the sense of space, but adding colour or pattern through accent tiles, trims or textiles can create visual interest without compromising the room’s calm atmosphere.
Materials should be chosen for their longevity and ease of maintenance. Wall panels and moisture-resistant boards offer alternatives to traditional tiles in select areas, providing a seamless look when executed with high-quality waterproof joins. Pay attention to the transitions between different materials at edges and corners to ensure a neat, professional finish and long-term durability.
As homes age, bathrooms should stay adaptable. Consider universal design principles: a level-access shower, a sink with a shallow clearance beneath, grab rails in strategic positions, and lever handles on taps and doors for ease of use. Increasingly, European homes are designed with future-proofing in mind, including wider doorways, lower sanitary fixtures, and the ability to reconfigure the bathroom without major structural changes.
When budgeting for accessibility, plan flexible fixtures that can be swapped out as needs change, such as adjustable-height vanities, modular storage, and a shower enclosure that accommodates a wheelchair if required in the future. A well-considered plan not only benefits ageing occupants but also improves daily convenience for everyone in the family.
European homes vary widely in size and layout, but the underlying principles of successful bathroom design remain consistent: clear zones, robust waterproofing, smart storage, generous circulation space and a lighting plan that enhances both function and mood. By thinking ahead - about which fixtures will be used most, how plumbing can be optimised, and where to locate laundry or storage - you can transform even a modest footprint into a highly liveable, durable space. Remember to budget for professional advice, obtain the necessary permits when expanding a bathroom, and prioritise materials that stand up to humidity and cleaning. A well-planned bathroom is not only a practical sanctuary, it also adds lasting value to a home and a sense of daily calm that is hard to overstate.

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