How to Plan a Commercial Interior Design Budget in Singapore

Planning a commercial interior project often starts with one question: how much should we budget?

The difficult part is that there is no single price that applies to every office, retail space, showroom or hospitality project. Two spaces with the same floor area can require very different budgets depending on their existing condition, layout, M&E requirements, furniture, finishes and the amount of work involved.

That is why it is more useful to understand what makes up the budget before comparing quotations.

If you are preparing to approach a commercial interior design firm in Singapore, this guide explains the main cost factors, what to include in your planning, and what information to prepare before requesting a quote.

How Much Does Commercial Interior Design Cost in Singapore?

There is no universal commercial interior design rate because the final cost depends heavily on the project scope.

For example, Homlux’s published office interior design guidance currently places standard office fit-outs at approximately SGD 80–120 per sq ft, mid-range projects at SGD 120–180 per sq ft, and premium or high-spec projects at SGD 180–300+ per sq ft. These figures are useful as an office planning reference, but they should not be treated as fixed rates for every commercial project.

A restaurant with kitchen requirements, a corporate office with meeting rooms, and a retail showroom with extensive custom joinery may all have very different requirements even when their floor areas are similar.

Budget Factor	Why It Matters
Floor area	A larger space generally requires more materials, labour and furniture, although size alone does not determine the final cost.
Existing condition	A bare unit, an occupied office and a space requiring major removal works can involve very different scopes.
M&E requirements	Electrical, lighting, air-conditioning and other building services can add technical complexity to the project.
Furniture & joinery	Custom workstations, storage, counters and built-in furniture can form a significant part of the overall scope.
Materials & finishes	Material choices can move a project from a practical fit-out towards a more premium specification.
Project complexity	Special layouts, technical requirements and coordination needs can affect both cost and timeline.

The important point is not to ask only, “What is the price per square foot?” A more useful question is:

“What does my business actually need this space to do?”

What Are You Actually Paying For?

A commercial interior project is rarely just a design fee.

Depending on the scope, the budget may include design development, space planning, 3D visualisation, construction, M&E works, furniture, project management and other site requirements.

Understanding these components makes it easier to compare quotations fairly.

Interior Design and Space Planning

This stage determines how the available space should work before construction begins.

For an office, that could mean balancing workstations, meeting rooms, collaborative areas and circulation. For a retail or hospitality project, customer movement and front-of-house operations may play a larger role.

Good planning at this stage can also reduce the need to solve avoidable layout problems later.

Construction and Fit-Out

This covers the physical work required to turn the approved concept into a usable commercial environment.

The scope may include partitions, ceilings, flooring, painting, electrical works and other site works depending on the project.

Furniture and Custom Joinery

Loose furniture is only one part of the equation.

Reception counters, storage systems, workstations, display units and other built-in elements may need to be designed around the space. Homlux also provides in-house custom furniture solutions, allowing these elements to be planned together with the overall interior.

Project Coordination

Commercial projects often involve several parties at the same time.

Designers, contractors, suppliers, building management and technical teams may all need to coordinate before handover. This is one reason businesses may choose an integrated design-and-build approach rather than managing several separate vendors.

Does a Smaller Commercial Space Always Cost Less?

Not necessarily.

A smaller floor area may reduce the quantity of certain materials, but some project requirements do not decrease proportionally with size.

Imagine two commercial units of similar size.

One requires a simple open-plan office with standard furniture. The other needs private meeting rooms, extensive electrical works, custom storage and built-in reception joinery.

The second project can require a larger budget even though the floor area is almost identical.

This is why businesses should consider both space size and project complexity when planning a budget.

How Can Costs Differ Between Commercial Spaces?

The purpose of the space changes where the budget is likely to go.

Space Type	Common Budget Considerations
Corporate Office	Workstations, meeting rooms, collaboration areas, storage, technology and employee requirements.
Retail / Showroom	Customer flow, product displays, lighting, brand presentation, counters and custom joinery.
Hospitality / F&B	Customer experience, front-of-house layout, operational requirements, finishes and technical coordination.
Industrial / Corporate Facility	Workflow, administrative areas, technical requirements, safety considerations and integration with the wider facility.

For businesses with industrial premises, the requirements can be different enough to justify a separate planning approach. You can read our guide to industrial interior design costs in Singapore for a more specific discussion.

How Do You Build a More Realistic Interior Design Budget?

Instead of starting with finishes and furniture, start with the business requirements.

1. Define What the Space Must Achieve

Ask what needs to improve when the project is complete.

An expanding company may need more workstations without making the office feel crowded. A retailer may need better customer circulation. A corporate headquarters may place greater emphasis on meeting facilities, visitor experience and brand presentation.

These requirements influence the design long before materials are selected.

2. Separate Must-Haves From Nice-to-Haves

Not every design feature carries the same business value.

Create two lists:

• Must-have: operational, technical and functional requirements the space cannot work without.
• Nice-to-have: features that improve the experience but can be reconsidered if the budget becomes tight.

This makes value engineering easier later without removing the elements the business actually needs.

3. Identify Technical Requirements Early

Lighting, power points, air-conditioning, IT infrastructure and other technical requirements should not be treated as an afterthought.

Finding these requirements after the design is already developed can create unnecessary redesign or coordination.

4. Plan Furniture Together With the Layout

Furniture affects circulation, headcount and usable floor area.

Planning workstations, storage and custom furniture together with the layout gives a clearer picture of how the space will actually function.

5. Understand What the Quotation Includes

A lower quotation does not automatically mean a lower final project cost.

Check whether the proposal includes the same scope, specifications and services before comparing the final numbers.

Why Can Two Interior Design Quotations Look So Different?

Suppose Firm A quotes less than Firm B.

At first glance, Firm A looks like the obvious choice.

But Firm B’s quotation may include project management, custom joinery, a higher material specification or additional technical work that Firm A has excluded.

The total at the bottom of the page therefore tells only part of the story.

When comparing proposals from a commercial interior design firm in Singapore, compare them line by line where possible.

Check	What to Look For
Scope	Are both firms quoting for the same work?
Materials	Are the proposed specifications comparable?
Furniture	Is loose furniture or custom joinery included?
Technical Works	Which M&E or specialist works are included or excluded?
Project Management	Who coordinates the project from design through handover?
Exclusions	What could become an additional cost later?

This is a more useful comparison than choosing a proposal based only on the lowest headline figure.

What Should You Prepare Before Requesting a Quote?

You do not need to arrive with a finished design.

However, giving the design team useful project information can make the first discussion much more productive.

Before contacting a firm, try to prepare:

• Floor plan or approximate floor area
• Type of business and how the space will be used
• Current and expected headcount
• Rooms, zones or facilities you require
• Photos or information about the existing site condition
• Furniture and storage requirements
• Preferred project timeline
• An approximate budget range, if available

Even if some details are still uncertain, this gives the design team a much clearer starting point.

When Should You Speak to a Commercial Interior Design Firm in Singapore?

Ideally, before too many project decisions become fixed.

Early discussions can help determine whether the planned layout, scope, furniture requirements and budget are aligned before the project moves deeper into design and construction.

This becomes particularly useful when a business needs several services to work together. Homlux provides commercial interior design, space planning, 3D visualisation, design and build, custom furniture and project coordination within an integrated project structure.

For businesses exploring a new commercial project, speaking with the design team early can help turn an initial brief into a clearer scope and budget.

Conclusion

A useful commercial interior design budget is more than a number per square foot.

It should reflect what the space needs to achieve, the condition of the site, technical requirements, furniture, finishes and the actual scope required to complete the project.

Before comparing quotations, define your priorities and make sure each proposal is pricing a comparable scope. That gives you a much clearer basis for deciding where to invest and where adjustments can be made.

If you are preparing a commercial space in Singapore, Homlux can support the project from early space planning and design through construction, custom furniture and final coordination.