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For Interior Designers, Decorators & Fit-Out Companies
Generate professional GST invoices for interior design fees, decoration services, works contracts, and fit-out projects. Handles design advisory (SAC 998392) and works contract (SAC 995411) with 18% GST.
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| Item Description | Qty | Rate | Tax % | Amount | |
|---|---|---|---|---|---|
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Interior designers have two distinct service categories for GST purposes. Pure design advisory — site visits, concept design, 3D visualisation, material specification, project coordination — is a professional service attracting 18% GST under SAC 998392. The designer only provides knowledge and expertise; the client or separate vendors procure and install materials.
When the designer also procures materials (furniture, flooring, paint, lighting) and executes the full fit-out, it becomes a works contract under SAC 995411 — 18% GST on the entire contract value including material cost. The distinction matters because the taxable value is different: design-only invoices are for professional fees only, while works contracts include the full project cost.
| Service | SAC Code | GST Rate |
|---|---|---|
| Interior design advisory & consultation | 998392 | 18% |
| Interior fit-out works contract (supply + install) | 995411 | 18% |
| Electrical installation (lighting, wiring) | 995421 | 18% |
| Furniture installation & fitment | 996911 | 18% |
A Mumbai interior designer bills a Bengaluru tech startup for office interior design: Design fee ₹2,00,000 + 3D visualisation ₹50,000 + site supervision ₹30,000 (SAC 998392). Total: ₹2,80,000. Inter-state (Maharashtra to Karnataka): IGST at 18% = ₹50,400. Total invoice: ₹3,30,400. The startup claims full ITC on ₹50,400 against its output GST since this is for commercial office use.
18% GST on all interior design services. Pure design advisory uses SAC 998392 (18% on design fee only). Works contracts with material supply and installation use SAC 995411 (18% on full contract value including materials). Both rates are 18%, but the taxable base differs significantly.
Design fees (SAC 998392): designer provides only expertise — concept design, 3D renders, material specifications, site visits. Works contract (SAC 995411): designer procures materials and executes the full fit-out. The key test is whether the designer also supplies physical materials as part of the engagement.
Commercial clients (offices, restaurants, retail stores) can claim ITC on interior design GST paid for business premises. Residential clients cannot. Note: ITC on works contracts for construction of immovable property is blocked under Section 17(5)(c) — consult a CA before claiming ITC on renovation projects.
SAC 998392 for pure design and advisory services. SAC 995411 for works contracts (design + procurement + execution). SAC 996911 for furniture and fixture installation only. When in doubt for composite projects, use the SAC of the primary service — usually 995411 if physical work is involved.
Yes if annual turnover exceeds ₹20 lakh. Interior designers on mid-to-large projects often exceed this quickly. Registration is mandatory for inter-state projects (designing a Mumbai apartment if registered in Delhi) regardless of turnover.
Confusing design fees (SAC 998392) with works contract (SAC 995411)
Pure design advisory is SAC 998392 at 18%. If you supply and install materials (works contract), SAC 995411 applies — still 18% but the tax treatment differs for ITC claims.
Mixing materials and service fees on one line item
Materials like tiles, paint, and furniture have their own GST rates (5–28%). They must appear as separate line items with their HSN codes — not bundled into your design fee.
Not registering despite crossing ₹20 lakh in services
Interior design is a service — the ₹20 lakh threshold (not ₹40 lakh) applies. Crossing it without registering results in penalties and backdated interest.
Charging residential clients 18% when they can't claim ITC
Residential clients are unregistered consumers — they can't claim ITC, so the 18% GST is a real cost to them. Be upfront about this in your quote to avoid disputes at invoicing.
Not issuing milestone-based invoices correctly
For long projects paid in stages, each milestone payment triggers a GST invoice. Many designers issue a single invoice at project end — this creates a GST liability mismatch across quarters.
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