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Construction estimating
Home / AI Marketplace / AI Construction Estimator
Available for deployment in 3 hours

AI Construction
Estimating Software

Generate detailed construction estimates with materials, labour, and margins in minutes. Kosta knows Perth trade rates, supplier pricing, and builds accurate quotes your clients trust.

2min
Avg Estimate Time
$0
Per Estimate
98%
Accuracy Rate
View Pricing Book a Demo
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What Kosta Does

Everything You Need,
Nothing You Don't

Kosta is built for Australian businesses. No bloated features, no enterprise complexity. Just the tools that make you money.

Detailed Breakdowns

Every estimate includes itemised materials, labour hours by trade, other costs, and assumptions. No vague lump sums.

Hidden Margin Control

Set your markup percentage and it bakes into line items automatically. Your clients see clean rates, you see your profit.

4 Quality Tiers

Basic, Standard, Premium, and Luxury tiers with Perth-specific supplier pricing. From Balga to Dalkeith.

Mobile Friendly

Use it on site from your phone. Generate estimates between jobs, send quotes from the ute.

Email & PDF Export

One-click professional PDF quotes and email delivery. Branded with your company details.

Custom Rate Database

Save your own rates for materials and labour. Kosta uses your rates when available, market rates when not.

Who It's For

Built for Real
Australian Businesses

Residential Builders

Renos, extensions, new builds. Kosta handles bathroom renos to full house builds with trade-by-trade breakdowns.

Trade Contractors

Electricians, plumbers, tilers. Get material and labour estimates specific to your trade in seconds.

Commercial Builders

Office fitouts, retail builds, warehouse conversions. Detailed estimates for complex multi-trade projects.

Property Developers

Quick feasibility estimates for developments. Compare quality tiers to find the sweet spot for your market.

How It Works

Live in 48 Hours

From purchase to production in 5 simple steps.

1

Purchase

Choose your plan and complete checkout

2

Onboarding

Fill out a short form with your business details

3

Setup

We clone and brand your instance (2 hours)

4

Training

AI trained on your data and preferences (24 hours)

5

Go Live

Live on your domain with a walkthrough call

Pricing

Simple, Transparent Pricing

One-time setup + monthly hosting. No hidden fees. No per-user charges on Starter. Cancel monthly anytime.

Starter
From $2,997
  • AI-powered estimates
  • PDF & email export
  • Custom rate database
  • Mobile responsive
  • 1 user login
  • Email support
Get Kosta
Pro
From $4,997
  • Everything in Starter
  • Hidden margin control
  • Job tracker & budget
  • Multi-user logins
  • Staff permissions
  • Priority support
Get Kosta
Enterprise
From $7,997
  • Everything in Pro
  • Custom integrations
  • Accounting software sync
  • Unlimited users
  • Custom training
  • Dedicated account manager
Get Kosta

FAQ

Common Questions

How accurate are Kosta's estimates?

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Kosta uses current Perth market rates for materials (Bunnings, Reece, Samson pricing) and trade labour rates updated for 2026. Estimates typically land within 5-10% of final costs. You can also override any rate with your own pricing.

Can I use my own rates?

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Yes. Kosta has a built-in rate database where you save your preferred rates for materials and labour. When generating estimates, it uses your rates first and fills gaps with market rates.

How does the hidden margin work?

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You set a margin percentage (e.g. 15%). When generating PDFs or emails for clients, Kosta multiplies every line item by your margin so the markup is invisible. Your dashboard shows the true costs and your profit.

What trades does Kosta cover?

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All major construction trades: carpentry, electrical, plumbing, tiling, painting, plastering, concreting, roofing, demolition, earthworks, waterproofing, cabinetry, glazing, HVAC, and fire services.

Can multiple staff use it?

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On Pro and Enterprise plans, yes. You get admin, foreman, and staff roles with different permission levels. Staff can log time and expenses, foremen can create estimates, admins have full access.

Does it work on mobile?

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Yes. Kosta is fully responsive and works on any device. Generate estimates on site from your phone and send quotes between jobs.

What is the job tracker?

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Pro and Enterprise plans include a job tracker that lets you accept estimates as jobs, then track budget against actuals with time logs, expenses, photos, and notes from your team.

Can I export to accounting software?

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Enterprise plans include integration with Xero, MYOB, and QuickBooks. Estimates and job costs sync automatically.

How long does setup take?

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We clone your instance, apply your branding, and configure your login within 2 hours. Training on your custom rates and preferences takes another 24 hours. You are live within 48 hours.

Is my data private?

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Yes. Each client gets their own isolated instance. Your estimates, rates, and client data are never shared or used to train AI models.

Ready to Deploy Kosta?

Book a free 15-minute walkthrough. We'll show you exactly how Kosta works for your business.

Book Free Demo Call 0452 246 854

We only onboard 4 new clients per week to ensure quality setup and training.