How to choose an interior designer in Singapore: a practical checklist

Renovation is one of the largest purchases most homeowners make, and complaints about renovation firms are common enough that it pays to be systematic. This checklist walks you from shortlist to signed contract.

Interior designer, design-and-build firm or contractor?

An interior design firm typically handles concept, drawings, project management and the build, often through its own or partner contractors. A renovation contractor focuses on executing the works and may leave the design to you. In Singapore, many firms do both. Pick the model that matches how much design help you want, and be clear about who is responsible for what in writing.

Step 1: Shortlist by project type, style and budget

Look for firms that regularly do your kind of property: an HDB specialist will know permit and space-saving details, while a condo specialist will know MCST processes. Use the Layered directory to filter by property type and style, or jump to HDB, condo, landed or commercial designers.

Step 2: Check credentials

• HDB-registered if you live in an HDB flat, because only registered contractors can apply for renovation permits.
• CaseTrust accreditation (CaseTrust, CaseTrust-RCMA or CaseTrust Gold) for consumer-protection safeguards such as deposit protection and a standard contract.

Verify these on the official lookups instead of taking a badge at face value. We explain how in CaseTrust and HDB licence explained.

Step 3: Review portfolios and visit completed work

Look for projects similar in size and style to yours. Ask what the final cost and timeline were, whether the work finished on schedule and whether you can speak to a past client or visit a completed home.

Step 4: Compare itemised quotes

Collect at least three quotes broken down by work type, with materials and brands specified. A suspiciously low total often hides missing items or lower-grade materials. Our HDB renovation cost guide and condo guide show typical ranges to sanity-check against.

Step 5: Read the contract and payment schedule

• Scope, materials, timeline and the total price should all be in writing.
• Payments should be staged against progress; be wary of a large upfront deposit.
• Check how variations, delays and defects are handled, and the defects liability period.
• Confirm who applies for permits and handles management-corporation approvals.

Red flags to watch for

• Pressure to sign or pay a large deposit immediately.
• No written contract, or a vague scope.
• Unwillingness to share a company registration number, licence or past projects.
• A quote far below the others with no explanation.