Cost guide · 3 BHK · Mumbai region
₹18–35L
Total project · 18–35 lakhs · ex. white goods
What a 3 BHK actually costs in the Mumbai region.
Carpet area
1,050 sqft ref
Per sqft rate
₹2,000–3,800
Delivery
~4.5 months
Typical spread
+6 to +12%
01 · THE HONEST ANSWER
Where storage and zoning decide the budget.
The number depends on two things — scope (new flat vs renovation) and finish grade. Below: how each trade moves the total, what each scope includes, and the five mistakes that inflate the final invoice past the BOQ.
The family configuration. The honest answer: a 1,050 sqft 3 BHK costs ₹18.5 lakhs with new-flat scope and ₹22–26 lakhs once renovation civil is involved.
At three bedrooms the budget stops being about the kitchen alone. It is decided by how much built-in storage each room carries, how the living and dining zones are separated, and how many light layers the larger ceiling area now needs. Get those three decisions specified early and the BOQ holds; leave them vague and the invoice drifts.
50+
Homes delivered
7
CLARITY gates
100%
BOQ itemized
47
Handover checks
02 · WHERE THE MONEY GOES
One bar. Six trades.The whole budget.
The split holds for every 1 BHK — whether new flat at ₹6.8L or renovation at ₹9.5L. Civil & finishes applies only when walls open; on a new-possession flat that slice moves into modular and furniture.
Modular 42%
Civil 18%
Furniture 16%
Elec 12%
7%
5%
Modular & joinery
42%
Kitchen + three wardrobes. The bulk of every 3 BHK.
Furniture & soft
16%
Sofa, dining, three beds, curtains, blinds.
Furniture & soft
16%
Sofa, dining, three beds, curtains, blinds.
Electrical & lighting
12%
Points, wiring, fixtures, cove + track.
Electrical & lighting
12%
Points, wiring, fixtures, cove + track.
Design fee
7%
Drawings, specification, site supervision.
Modular & joinery
42%
Kitchen + three wardrobes. The bulk of every 3 BHK.
Civil & finishes
18%
Reno only — demolition, tiling, waterproofing.
Furniture & soft
16%
Sofa, dining, three beds, curtains, blinds.
Electrical & lighting
12%
Points, wiring, fixtures, cove + track.
Design fee
7%
Drawings, specification, site supervision.
Contingency
5%
Visible in the BOQ. Unspent, it is returned.
03 · NEW FLAT VS RENOVATION
Same flat. Two scopes.
A new-possession flat and a 15-year-old renovation — same 1,050 sqft, different cost because different work. Civil & finishes is the entire gap between the two columns.
SCOPE · NEW FLAT
₹18.5L
1,050 sqft × ₹1,760 / sqft
Modular
Joinery
Finishes
Furniture
Process
Excludes
SCOPE ·RENOVATION
₹22–26L
₹6.8L + 25–40% civil
Demo
Plumbing
Tiling
Civil
Liaison
Buffer
Actual cost depends on material grade, vendor selection and scope additions. Final number confirmed by BOQ after the design phase.
A REAL BOQ
The number on the paper. Line by line.
Below is a real BOQ from a delivered 3 BHK project — sections, items, units, rates. Client name, address and a handful of specific rates are redacted; the structure is exactly what you’d receive at Gate 05 before signing. Sample format — use it to compare what you’re being shown elsewhere.
Six redactions above: four where the rate is the kind of thing studios try not to share, two where the client preferred their numbers not be public. The structure — sections, units, quantities, vendor names — is exactly what every BOQ we send out looks like.
05 · QUOTE AUDITS
Five mistakes that inflate the final invoice.
The patterns we see most often when a client brings us a quote to audit. Each one is avoidable with a specified, two-list BOQ.
01
Lump-sum quotes with no spec attached.
If your quote lists modular kitchen at ₹5L with no spec, you are comparing nothing to nothing. The same kitchen costs ₹3.5L in particle board and ₹8L in BWP with Hettich tandem drawers.
₹4.5L
swing on one line
02
No visible contingency line.
Any honest renovation quote includes 10–12% contingency. If it is not visible, it is hidden in inflated rates. We itemise it so you can see what is spent and what is returned.
10–12%
itemise it
03
Storage under-specified per room.
Three bedrooms means three wardrobes — and most quotes price one and assume the rest. Each additional wardrobe is ₹60,000–₹1.7L depending on shutter and internals. Spell out every unit.
₹60k–1.7L
per wardrobe
04
Light layers under-counted.
A 3 BHK needs roughly 50 light points for basic, and 95+ for a designed scheme. Each point is ₹950 plus wiring. The electrical line can swing ₹60,000–₹1.2L.
₹60k–1.2L
count the points
05
Items unlisted without the dash mark.
Every competent BOQ has two lists: included (bullet) and excluded (dash). If there is no exclusion list, everything that appears mid-project feels like a surprise.
Two lists
incl. & excl.
06 · FROM THE JOURNAL
Further reading.
Field notes and methods from the studio — the thinking behind the numbers above.
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