Guides for running a design studio.
How to write a quotation your client trusts, what to charge and how, and how GST shows up on both. Written for studios in India, with the Sharma Residence worked through in every one.
How to write an interior design quotation
What goes on it, in what order, and why rooms beat a long list. A walk through the Sharma Residence quotation, from the header to the payment schedule.
QuotationSharma Residence · 2BHK, BanerTBS/2026/014
KITCHEN₹1,27,250
Base cabinets10 × 2.5 × ₹1,850₹46,250
Wall cabinets10 × 2 × ₹1,650₹33,000
Countertop10 × 2 × ₹2,400₹48,000
MASTER BEDROOM₹1,25,960
Wardrobe8 × 7 × ₹1,450₹81,200
Total, with GST₹2,98,788
How to charge interior design fees in India
Per sq ft, a percentage or a lump sum: how each is worked out, what moves it, and how GST appears on your fee. With the same 1,400 sq ft home priced all three ways.
SHARMA RESIDENCE · 1,400 SQ FT · ₹14,80,000
Per sq ft₹85 × 1,400 sq ft₹1,19,000
Lump sumFixed, whole project₹1,10,000
Percentage8% of ₹14,80,000₹1,18,400
Free sheets that go with the guides
- Interior design quotation formatRoom by room, with the GST split and a payment schedule, in Excel.Download
- Interior BOQ formatRoom by room, with a summary by trade, in Excel.Download
- Interior design fee calculatorPer sq ft, percentage and lump sum, from your own numbers.Open
- Vendor payment trackerWhat each vendor has had, and each project's money in and out.Download
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