How Do You Create a Lighting Specification for a Hospitality Project?

October, 26

A lighting specification for a hospitality project is a detailed technical document that defines every luminaire, its position, beam angle, colour temperature, dimming behaviour, and control requirements across the entire scheme. It translates the creative lighting design into precise, buildable instructions that contractors, procurement teams, and project managers can act on. The sections below unpack the key decisions that shape a strong specification, from brief to commissioning.

What goes into a lighting specification for a hospitality project?

A hospitality lighting specification contains the full set of technical and procurement information needed to build the lighting scheme as designed. It typically includes a luminaire schedule listing every fitting by type, wattage, colour temperature, CRI or TM-30-15 rating, dimming protocol, and finish, alongside annotated drawings that show exact positions, mounting heights, and aiming angles. Control requirements, scene settings, and commissioning notes complete the document.

In practice, the specification works alongside the lighting design drawings rather than replacing them. The drawings communicate intent and spatial arrangement; the specification locks down the technical detail. For hospitality projects in particular, where atmosphere is a commercial asset, the specification must be precise enough to protect the design through procurement, installation, and any product substitution requests that arise during construction.

Key components of a complete hospitality lighting specification include:

Luminaire schedule: every fitting listed with manufacturer, model, wattage, colour temperature, dimming compatibility, and finish
Photometric data: beam angles and lux targets for each zone or surface
Colour quality requirements: CRI minimums or, where critical, TM-30-15 Rf and Rg values
Control specification: dimming protocol (DALI, 0-10V, Lutron ecosystem), scene structure, and integration requirements
Substitution criteria: clear performance thresholds any alternative product must meet
Commissioning and focusing notes: aiming instructions, scene levels, and handover requirements

How does the brief affect lighting specification decisions?

The brief defines the atmosphere, operational requirements, and guest experience the client wants to achieve, and every specification decision flows from it. A hotel bar brief centred on intimate evening dining will push the specification toward warm colour temperatures, deep dimming ranges, and decorative layering. A hotel lobby brief focused on arrival impact will prioritise accent lighting, architectural washes, and a statement decorative fitting. Without a well-developed brief, the specification risks being technically complete but atmospherically wrong.

Developing the brief is not a passive exercise. A good lighting design consultancy will interrogate the brief alongside the client and design team, asking how the space will be used across different times of day, what the brand wants guests to feel, and what operational constraints exist around maintenance access or energy targets. The answers directly shape specification choices: the colour temperature range, the control system complexity, the balance between architectural and decorative fittings, and the level of bespoke product involvement.

Sustainability objectives captured in the brief also feed directly into the specification. If the client has committed to circular economy principles, the specification will prioritise luminaires with replaceable drivers and light engines, locally sourced products, and manufacturers offering take-back programmes. These are not afterthoughts layered on at the end; they are specification criteria from the outset.

What’s the difference between a lighting specification and a lighting design scheme?

A lighting design scheme is the creative and strategic framework for how light will shape a space. A lighting specification is the technical document that defines exactly how that scheme will be built. The scheme communicates intent, mood, hierarchy, and spatial experience. The specification translates those intentions into precise, procurable, and installable instructions. Both are essential, but they serve different audiences and different stages of a project.

The lighting scheme typically emerges during the concept and schematic stages of a project, expressed through mood boards, rendered visuals, photometric simulations, and annotated concept drawings. It answers the question: what should this space feel like, and how will light achieve that? The specification comes later, during detail design and production, and answers a different question: what exactly needs to be bought, installed, and commissioned to deliver the scheme?

A common mistake in hospitality projects is treating the specification as a simple product list generated at the end of the design process. In reality, the specification is an active design tool. Decisions about dimming protocols, colour temperature tolerances, and substitution criteria are design decisions with real consequences for the guest experience. A specification that allows too much flexibility in product substitution can quietly undermine months of careful design work by the time a project reaches site.

How do you specify lighting for different hospitality zones?

Different hospitality zones require different specification strategies because they serve different functions, operate at different times, and create different guest experiences. A hotel lobby, a restaurant dining room, a bar, a guest bedroom, and a back-of-house corridor each have distinct photometric targets, colour temperature requirements, and control complexity. Effective specification maps these differences explicitly rather than applying a single standard across the whole project.

Public and arrival spaces

Lobbies, reception areas, and entrance zones need to create a strong first impression while managing the transition between exterior daylight and interior conditions. Specification here typically combines warm ambient light with focused accent lighting on architectural features, artwork, or a statement decorative fitting. Colour temperatures in the range of 2700K to 3000K support a welcoming, residential quality. Dimming ranges should be wide enough to allow the space to shift from a bright daytime setting to a more intimate evening atmosphere.

Food and beverage spaces

Restaurants and bars are among the most specification-intensive zones in any hotel. Colour rendering is critical because food appearance directly affects guest perception of quality. A minimum CRI of 90 is a reasonable baseline, but for fine dining or environments with a wide range of food colours, TM-30-15 metrics provide a more reliable specification tool, with Rf values above 85 and positive Rg scores supporting rich, appetising colour reproduction. Dimming to very low levels, often below 10%, is frequently required for evening service, which places specific demands on driver and dimmer compatibility.

Guest bedrooms and suites

Bedroom lighting specification prioritises flexibility and comfort. Guests need adequate light for practical tasks such as reading and dressing, but also the ability to create a genuinely dark, restful environment. Tunable white capability, allowing colour temperature to shift from a cooler daytime setting toward a very warm evening tone, supports circadian health and is increasingly expected in upper-tier hotel projects. Mirror lighting deserves specific attention: front-facing illumination at approximately eye level, no cooler than 3000K, provides flattering, shadow-free light that guests notice and remember.

Should you specify bespoke fittings or off-the-shelf products?

The decision to specify bespoke light fittings versus off-the-shelf products depends on whether the design requires a fitting that does not exist in the market, whether the budget supports the longer lead times and higher unit costs of bespoke manufacture, and whether the fitting will be visible enough to justify the investment. For hospitality projects where a distinctive identity matters, bespoke fittings can provide a genuinely unique element that no competitor can replicate. For functional or concealed applications, off-the-shelf products almost always make more sense.

Bespoke fittings are most valuable in spaces where a decorative luminaire is a focal point of the interior design: a statement chandelier in a hotel lobby, a custom pendant arrangement above a restaurant bar, or a signature wall light that runs through a hotel’s public spaces. In these situations, the fitting is part of the brand identity rather than simply a light source, and the investment in bespoke design is justified by the differentiation it creates.

Off-the-shelf specification, on the other hand, benefits from established photometric data, tested dimming compatibility, available stock, and manufacturer support during commissioning. For the majority of a hospitality lighting scheme, including recessed downlights, track systems, integrated joinery lighting, and service areas, well-specified off-the-shelf products deliver reliable performance at manageable cost and programme risk.

A practical approach for most hospitality projects is to reserve bespoke specification for the fittings that guests will consciously notice and remember, and to apply rigorous off-the-shelf specification everywhere else. Independence from manufacturers is important here: a lighting design consultancy that is not tied to any manufacturer’s product range can specify the best available product for each application rather than defaulting to a familiar catalogue.

How does lighting control specification affect the guest experience?

Lighting control specification directly determines whether a hospitality space can adapt to different times of day, different guest needs, and different operational modes. A well-specified control system allows a hotel restaurant to move seamlessly from a bright breakfast setting to an intimate dinner atmosphere without manual intervention. A poorly specified system, or one that is technically capable but badly commissioned, results in staff overriding scenes, guests experiencing jarring transitions, and the design intent being lost in operation.

Scene-based control is the standard approach for hospitality environments. Each space is assigned a set of pre-programmed scenes, typically covering daytime, afternoon, evening, and event conditions, that balance ambient, accent, and decorative layers differently to suit the mood and function of each period. Scenes can be triggered automatically via an astronomical time clock, by staff at a local keypad, or through integration with a wider building management system covering HVAC, audio-visual, and security.

The specification should define not just the control hardware but the scene structure, the transition speeds between scenes, the dimming protocol for each luminaire type, and the interface that staff will actually use. Overly complex interfaces are a common failure point: if the team operating the space cannot confidently recall a scene or adjust a setting, the control system will be bypassed. Simple, well-labelled keypads or scheduled automatic control tend to outperform elaborate touchscreen systems in day-to-day hospitality operation.

Energy management is an increasingly important dimension of control specification. Occupancy sensors, daylight harvesting, and scheduled dimming can significantly reduce energy consumption without compromising guest experience, particularly in areas such as corridors, back-of-house spaces, and meeting rooms that are intermittently occupied. These requirements should be captured in the specification alongside the aesthetic scene requirements, not treated as a separate engineering concern.

How Foundry London helps with hospitality lighting specification

Foundry London is a specialist lighting design consultancy with deep experience delivering lighting schemes across hotels, restaurants, and bars in the UK and internationally. The team supports clients through every stage of the specification process, from brief development and concept design to detailed technical documentation, contractor support, and commissioning.

Independent from all manufacturers, so every product is specified on merit for the project
Experienced across the full RIBA stage sequence, from concept through to snagging and handover
Capable of designing bespoke light fittings where the project calls for a distinctive, unique element
Skilled in control system specification, including scene design, energy management, and commissioning oversight
Proven across hospitality projects including hotels, bars, and restaurants in the UK, Europe, and the Middle East

If you are planning a hospitality project and want to discuss your lighting specification requirements, get in touch with the Foundry London team to start the conversation.