18 August 2026  ·  6 min read  ·  Space Planning & Purpose

How should you design a spare bedroom that actually gets used?

A spare bedroom needs a clear primary purpose before any design work begins—whether that’s guest accommodation, home office, or storage—because the layout, furnishings and finishes change entirely depending on how the room will function day-to-day. The studio’s Discovery phase establishes this foundation before any aesthetic decisions are made, ensuring the finished room serves the household rather than sitting empty or fighting against its design.

Why the room’s actual purpose matters more than its name

A ‘spare bedroom’ is a description of what the room currently isn’t, not what it should become. In residential projects like the London Embankment Apartment and the Witham Project, the studio’s first step—Discovery—involved establishing honest answers to three questions: How often will guests actually stay here? Will the room double as a home office or creative space between visits? Is this primarily a storage and overflow zone that occasionally hosts visitors? The answers reshape every subsequent decision. A room designed around monthly guests requires different lighting, acoustic treatment, and comfort standards than one that functions as a daily workspace with a pull-out bed for rare overnight use.

Conflating the room’s name with its true function leads to uncomfortable compromise designs—a bed that dominates a room meant for work, or a desk shoved into a corner of what should be a restful guest space. During Discovery, the studio clarifies the room’s weekly and monthly use pattern, how household members actually move through it, and what emotional tone it needs to strike. This directness prevents costly design decisions made for the ‘wrong’ room.

How layout changes when a spare bedroom has a second function

Guest-primary rooms and work-primary rooms have fundamentally different spatial hierarchies. In a pure guest bedroom, the bed anchors the layout and the room narrows around comfort—a clear floor path from door to bed, a surface for unpacking, adequate hanging or drawer space, and lighting that doesn’t require the guest to leave the bed in darkness. Contrast this with a room that functions primarily as a home office: the desk position becomes critical, natural or task lighting takes precedence, and the bed becomes secondary—perhaps a compact sofa bed or wall-mounted unit that saves floorspace during working hours.

The studio’s Concept, Design & Specification phases test these competing needs against the room’s actual dimensions and window placement. A north-facing spare room in a London flat may need supplementary task lighting around a desk, whereas a south-facing room can rely on natural light for daytime work and reserve ambient lighting for guest comfort. The difference isn’t stylistic; it’s functional geometry. Residential projects reveal that rooms under 12 square metres almost always work better with a single, clearly defined primary use—trying to serve two equal functions in a small space typically results in both being poorly served.

What furnishings and materials actually perform in spare bedrooms

Spare bedrooms occupy an unusual position in the home: they’re used intensely but intermittently, by people who may not know your household routines or preferences. This demands finishes and furnishings that tolerate varied use without fuss. In residential projects, the studio specifies materials and pieces based on durability and honest maintenance, not appearance alone. A guest bed must be comfortable enough for an overnight stay without requiring special knowledge to operate; bedding needs to be simple to change; flooring should be warm underfoot and easy to clean; and wall finishes should show minimal wear from occasional use.

Storage deserves particular attention. A spare bedroom without accessible storage becomes a dumping ground for household overflow. During the Commission phase, the studio specifies built-in or freestanding storage that can absorb guest luggage, seasonal items, or home office supplies without requiring daily organisation. Materials like solid timber or high-quality plywood, finished to tolerate dust and minor wear, perform better over time than softer or more precious finishes. Lighting should include both ambient control—via dimmer switches or layered sources—and discrete task lighting that doesn’t intrude on rest. These are not aesthetic choices; they’re performance specifications that determine whether the room remains usable and welcoming.

How the studio moves from intention to a working spare bedroom

The studio’s five-stage process—Discovery, Concept, Design & Specification, Commission, and Reveal—applies to spare bedroom projects as rigorously as to any other room. Discovery establishes the room’s genuine use pattern and constraints. Concept develops the spatial and functional strategy, testing layouts and identifying conflicts. Concept, Design & Specification moves into material finishes, lighting positions, storage solutions, and specific product selections. During Commission, the team oversees the build, ensuring specifications meet the reality of the space. Reveal shows a room that performs as intended from day one, not one requiring post-project adjustment or purchases.

In residential projects like the London Embankment Apartment, the clarity of this method surfaces decisions that vague briefs obscure. A client might initially say ‘we need a guest room’; Discovery conversations reveal it will be used twice a year, that the household works from home and needs overflow workspace, and that the room currently holds off-season storage. This reframes the design entirely. Rather than optimising for guest comfort alone, Concept, Design & Specification becomes about efficient zoning: a bed area and a work area that don’t compete for attention, built-in storage that absorbs the items currently scattered, and finishes that read as intentional rather than residual.

What comfort and practicality look like in a space that serves multiple roles

A spare bedroom that balances competing functions succeeds through restraint and specificity, not compromise. Rather than a generic neutral room with everything ‘just in case,’ the studio specifies exactly what the room needs and removes what it doesn’t. This clarity serves both practical use and visual calm. A guest entering the room should understand immediately how it works: where to hang a coat, where to place luggage, how to control light and temperature, and what the room’s primary purpose is. A household member working there during the day should find the space supports focus without distraction.

The emotional tone matters equally. A spare bedroom that feels like a proper room—with thoughtful lighting, honest materials, and proportionate furnishings—invites use and conveys care toward guests. One that feels like a storage zone dressed up as a bedroom does the opposite. Commercial projects like Beaulieu Dental Practice and Fruittii Hair Salon demonstrate this principle: spaces that function well are quiet ones, with clear hierarchies and no contradictory messages. A spare bedroom follows the same logic. The design should disappear into usefulness; if a guest or household member notices the room primarily as ‘a design,’ it’s probably working against itself.

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Common questions

Should a spare bedroom prioritise guest comfort or household storage?

Neither should compromise the other entirely, but the room needs a clear primary purpose established during Discovery. If guests stay monthly, comfort takes precedence and storage is hidden away. If they visit once yearly, household function can dominate and the bed becomes efficient and compact. Trying to optimise equally for both usually results in a room that serves neither well.

How small can a spare bedroom be and still function?

Rooms under 10 square metres work best with a single, clearly defined use. A guest bedroom of this size needs a bed, surface, and minimal circulation space. A home office version needs a desk positioned to catch natural light and room to move a chair back from the desk. Combined-function rooms under 12 square metres typically require built-in or wall-mounted solutions to avoid visual chaos.

What lighting mistakes do spare bedrooms commonly have?

The most common is relying on a single ceiling light, which either makes the space feel harsh or too dim depending on the bulb. Guest rooms need layered lighting: ambient control via a dimmer, a focused source for bedside reading, and sufficient light to move safely at night. Workspaces need task lighting at the desk and separate ambient control. These aren’t luxuries; they’re functional essentials that determine whether the room is actually used.

How should a spare bedroom change if it doubles as a home office?

The desk position becomes critical—ideally near a window for natural light and positioned so a guest wouldn’t be sleeping in direct sight of work materials. Storage must absorb office supplies without visual clutter in the sleeping area. Wall finishes should be neutral and durable, and window treatments must control light for screen-based work while remaining restful at night. The two zones need clear visual separation, even in small rooms.

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