See the deal before the concrete does.

A faster way to read capex, cash burn, and exit quality before you commit capital or call the architect.

[ Run the numbers ]

Built for

developers, lenders, and advisors

Default flow

enter land, area, and sale price

What you get

Capex, carry, and exit signal in one pass.

BOQ IRR Cash burn

Built for

Ahmedabad feasibility checks with lender-style discipline.

Default flow

Start with land, area, and rate. Read the burn path.

Fast read Front-loaded spend

BOQ & Feasibility Calculator

Check cost, return, and risk in one pass. Adjust the inputs, read the output, move on.

Project Inputs

Enter the basics. The rest updates automatically.

Show Advanced Inputs

Project Identity

Project Name Location / City Developer / Client

Core Geometry

Plot Area (sq ft) Built-up Area BUA (sq ft)

Residential Floors (from 1) Basements Flats / Floor

Parking Slots BHK Type SBA Loading % over BUA Carpet % of BUA (for area stack)

Area logic: Carpet area is the usable inside space. Built-up area adds walls and balcony or utility portions. Super built-up area adds the common-area share. Pricing is applied on SBA, not BUA.

Unit Mix Planner

Enable Unit Mix Planner

Optional Smart Tools

Enable Presets & Scenario Sliders Enable Delay Simulation & Cashflow Timeline Enable Sensitivity Heatmap

Rate + Costing

Ahmedabad Market Preset (2026)

Sensitivity Case Rate Base (Rs / sq ft) Rate Optimistic (Rs / sq ft) Rate Stressed (Rs / sq ft)

Custom Rate (Rs / sq ft)

Escalation %

Land + Statutory

Land Rate (Rs / sq ft) Land Cost Override (Rs) Stamp Duty % Registration Fee %

Legal/Approval Cost (Rs) Architect Fee (% of Total Project Cost)

Sales + Finance

Sale Price (Rs / sq ft on SBA)

Inventory Sold % (on SBA) GST % Broker %

GST ITC Recovery % Parking Price / Slot (Rs) Discount Rate for NPV %

Loan % Interest % Duration (months)

Real-World Modeling

Planning / Launch Delay (months) Sales Realization Window (months) Sales Start Offset (months)

Approval Delay (months) Execution Delay (months) Sales Delay (months)

EMI Moratorium (months) Prepayment from Sales % Loan View

Sales Absorption Curve Construction Drawdown Curve View Premium %

Steel Esc Base % Steel Esc Optimistic % Steel Esc Stressed % Cement Escalation %

Labor Esc Base % Labor Esc Optimistic % Labor Esc Stressed % MEP Escalation %

Output

Scenario Library

Category	Item	Unit	Qty	Rate	Amount
Construction Grand Total					Rs 0

Legal Disclaimer: OptiBuild is provided for preliminary planning, estimation, and scenario analysis only and does not constitute legal, engineering, architectural, valuation, investment, lending, tax, or regulatory advice. Outputs are model-based approximations and are not guaranteed for accuracy, completeness, fitness for purpose, or future performance. Users are solely responsible for independent verification and final decisions, including compliance with applicable municipal rules, Gujarat RERA requirements, title/approval status, market data, contract terms, and consultant-certified structural/MEP designs. Use of this tool is at your own risk.