Embodied carbon estimation, built for Indian buildings.
CarbonSketch turns a bill of quantities into a Global Warming Potential breakdown aligned with IGBC v4 criteria — built to help you make design decisions early in the process, backed by real numbers.
India adds roughly 300 million m² of built floor space annually. At an average GWP intensity of 300 kgCO₂e/m², that's the upfront carbon footprint of construction materials alone — before a single occupant moves in. Offsetting that would take roughly 4.1 billion mature trees growing for a year — planting at that scale isn't realistic, but reducing it at the design stage is. Even a single tonne of carbon saved, multiplied across thousands of projects, adds up fast — that's exactly what CarbonSketch is built to help you do.Tree-offset estimate based on a USDA Forest Service figure of ~22 kg CO₂/tree/year.
For People, Planet and Profit
Helping the AEC community reduce its carbon footprint.
The investments we make today in how we track carbon footprints create value that can't be measured in money alone — every design decision made by India's AEC community helps reduce our collective environmental impact. As India takes rapid strides across every sector, this is the moment to bring the right tools into everyday workflows. CarbonSketch aims to close that gap.
What you're actually looking at.
A working preview of the CarbonSketch dashboard — real interface, sample data.
BKC Commercial Tower
From BoQ to benchmark, in three steps.
No new workflow to learn — bring the numbers you already have.
Import or estimate
Upload a bill of quantities, or use the Quick Estimator for early-stage design when exact quantities aren't ready yet.
Get elemental GWP
Materials are matched to Indian and generic GWP factors (ICE Database, EC3), broken down by structure, envelope, and finishes.
Benchmark and export
Compare your GWP intensity against Indian embodied carbon benchmark ranges, then export a client-ready report.
A global standard, drawn for India.
CarbonSketch began, as many good ideas do, while our founder's international travel gave a global perspective, the on-ground opportunities in India gave an idea to fill the gap. India is building at a pace the world had never seen, yet designing largely in the dark on the carbon locked into every slab, column and curtain wall.
So we built the instrument we wished we'd had. CarbonSketch turns a bill of quantities into an A1–A3 GWP breakdown in minutes, measured against India-specific benchmarks rather than borrowed global proxies. Every factor traces to a verified source — drawn from a public index of Indian manufacturer EPDs, from ACC and JSW to Asahi and Saint-Gobain — so the confidence you place in a result is confidence you can defend to a client, a certifier, or your own conscience. Global in ambition; unmistakably local in impact.
Simple plans, priced for Indian practices.
- 1 project
- Manual entry & Quick Estimator
- Verified Indian EPD catalog
- Benchmark comparison & Learning Hub
- 5 project creations per month
- Smart BoQ import (Excel/CSV, any format)
- Design-option comparison
- CSV export & consultant-grade PDF reports
- Everything in Free
- Unlimited active projects
- Cost–benefit analysis on material swaps
- Material substitution suggestions
- Priority support
- Everything in Basic
Book a demo. Talk to an expert.
CarbonSketch is live for early adopters. Book a 20-minute walkthrough with our team to see how it fits into your project workflow, or reach out directly with questions before you get started.