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How to Set a Realistic Interior Design Budget

By Interior Decor Designs · 1 July 2026

How to Set a Realistic Interior Design Budget

The most common cause of interior stress isn't money — it's an unrealistic or unplanned budget. Here's a simple framework to set one you can actually live with.

₹700–1,400Per sq ft (2 BHK)
10–15%Contingency
70/30Fixed vs flexible split
3Quotes to compare

Step 1: Start from your home, not a number

Use a per-sq-ft benchmark for your city and finish level, then adjust. Our cost calculator gives you a component-level starting figure in seconds.

Step 2: Split fixed vs flexible

Roughly 70% of your budget is "fixed" (kitchen, wardrobes, ceiling, electrical) and 30% is "flexible" (loose furniture, décor). Protect the fixed items; flex the rest.

Step 3: Allocate by priority

A balanced interior budget
Kitchen & wardrobes45–50%
Ceiling, lighting & electrical12–15%
Furniture12–15%
Painting & flooring10–12%
Design fee & contingency12–15%

Step 4: Always keep a contingency

Set aside 10–15% that you don't touch unless something unexpected comes up — and something always does, especially in older homes. A budget without contingency isn't a budget, it's a wish.

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Frequently asked questions

What percentage of home value should interiors cost?

A common thumb rule in India is 10–20% of the property value — closer to 10% for essentials, 20%+ for premium full-home work.

How do I compare quotes that look completely different?

Force them onto the same grid: make/material per item, brand of hardware, warranty and payment terms. If a quote can't be broken down, that itself is your answer.

Where do budgets most commonly overshoot?

Three places: mid-project design changes, 'while we're at it' additions, and GST or transport charges that weren't in the quote. Contingency exists for exactly these.

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