Complete Cost Breakdown of Buying a Flat in Mumbai (2026)

When you start searching for a flat in Mumbai, the first number you see is the base price — ₹1.2 Cr, ₹1.8 Cr, ₹2.5 Cr. That number is real, but it is not what you will actually pay.

After stamp duty, GST, parking, floor rise, and a handful of charges builders tuck into the fine print, the final amount is typically 10–18% higher than the advertised price. On a ₹1.5 Cr flat, that can mean ₹15–27 lakh more than you planned for.

This guide breaks it all down — every component, with actual rates as of May 2026.

The full picture: what you're actually paying

1. Base price (agreement value)

This is the number in the ad. It is calculated as:

Carpet area (sq ft) × Rate per sq ft = Base price

Important: most developers quote rates on carpet area now (mandatory under RERA), but some older listings or resale properties still quote on super built-up area, which inflates the apparent size by 25–35%. Always confirm which area the rate applies to.

Example:

• 650 sq ft carpet area × ₹18,000/sq ft = ₹1.17 Cr base price

2. Stamp duty & registration — the biggest add-on

Stamp duty is a state government tax. In Maharashtra as of May 2026:

Additionally: Mumbai properties attract a 1% metro cess on top of stamp duty.

So for a male buyer purchasing at ₹1.17 Cr:

• Stamp duty (6%): ₹7.02 lakh

• Metro cess (1%): ₹1.17 lakh

• Registration (1%, capped): ₹30,000

• Stamp duty + registration total: ~₹8.49 lakh

For a female buyer, this comes to ~₹7.32 lakh — a saving of over ₹1 lakh. If you're buying jointly, registering the flat in the woman's name first can meaningfully reduce this cost.

Tip: Stamp duty is paid before registration at the Sub-Registrar's office. It cannot be paid in instalments and is due at the time of agreement execution.

3. GST — only on under-construction properties

If you're buying an under-construction flat, GST applies:

• 5% of base price (without input tax credit)

• Applicable on the land + construction component as defined by the developer

On ₹1.17 Cr: GST = ~₹5.85 lakh

If you're buying a ready-to-move (OC-received) flat: no GST. This is one of the most significant financial advantages of ready properties — the 5% saving is real money.

4. Parking charges

Parking is almost never included in the base price for new launches in Mumbai.

Some projects include one covered parking in the price; most don't. Always ask explicitly.

5. Floor rise charges

In high-rise buildings, developers charge extra for higher floors — typically ₹50–₹300 per sq ft per floor above a base floor (usually floor 5 or 10).

Example: A 650 sq ft flat on the 20th floor with ₹150/sq ft floor rise from floor 10 = ₹1.5 lakh extra

Higher floors do offer better views, ventilation, and resale value — but factor this into your budget before getting attached to a particular unit.

6. Advance maintenance deposit

Most developers charge 12–24 months of maintenance upfront:

• Maintenance typically ranges from ₹3–8/sq ft/month for mid-range projects

• For a 650 sq ft flat at ₹5/sq ft: ₹3,250/month → 24 months upfront = ₹78,000

Premium projects in Bandra, Worli, or Powai can charge ₹15–30/sq ft/month.

7. Amenity / clubhouse charges

Many projects charge separately for club membership:

• Mid-range projects: ₹1–3 lakh (one-time)

• Premium projects: ₹3–8 lakh

This is often non-negotiable — ask at the time of booking, not after.

8. Legal & documentation charges

Includes agreement drafting, legal processing, and franking:

• ₹25,000–₹1,00,000 depending on the developer and project

If you hire your own lawyer for independent legal advice (recommended for resale), add ₹15,000–₹50,000.

9. Other charges (individually small, together significant)

• Electricity connection / meter deposit: ₹10,000–₹50,000

• Water connection charges: ₹10,000–₹25,000

• Infrastructure / corpus fund: ₹50,000–₹2 lakh

• Society formation charges: ₹10,000–₹30,000

• GST on parking (if separate agreement): 18%

Complete worked example

Flat: 650 sq ft carpet area, under-construction, 18th floor, Goregaon East Base price: ₹18,000/sq ft → ₹1.17 Cr Buyer: Male

That's ₹26 lakh more than the advertised base price — a 22% premium.

Note: This is an illustrative estimate. Actual figures vary by project, developer, and negotiation. Always request a full cost sheet before booking.

Female buyer advantage — how much do you actually save?

On the same ₹1.17 Cr flat, registering in a woman's name:

• Stamp duty at 5% instead of 6% = ₹1.17 lakh saving

• No change in metro cess or registration

Over a ₹2 Cr property, this saving crosses ₹2 lakh — enough to cover most legal and documentation charges.

Ready-to-move vs under-construction: cost comparison

The 5% GST saving on ready properties often offsets the higher sticker price — especially on flats above ₹1.5 Cr.

What to always ask the developer before booking

1. Can I see the full cost sheet — all inclusive?

2. Is parking included or separate? What type?

3. What are the floor rise charges per floor?

4. How much advance maintenance is required?

5. What is the exact carpet area (RERA-registered)?

6. Is the project RERA-registered? (Check at maharera.maharashtra.gov.in)

A developer who hesitates on any of these questions is a developer worth being cautious about.

Key takeaways

• Budget for 12–22% above the base price depending on floor, parking, and under-construction status

• Female buyers save 1% stamp duty — worth acting on

• Ready-to-move flats save 5% GST but may cost more upfront

• Always get a written, itemised cost sheet before paying any token amount

• Verify every project's RERA registration before signing anything

Have questions about a specific project's cost structure? Our advisors review cost sheets honestly — no sales pitch involved.

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