BEX AI
Construction estimating software built for UK builders
Detailed, branded quotes in minutes, not hours. BEX AI drafts itemised estimates priced with live UK data, and every quote comes with an AI estimator.
See it work
Quick selection. AI build. Refine by chat.
Pick your build type and specs, BEX AI builds the priced, phase-by-phase quote, and you refine it by chat in plain English, with no spreadsheets or formulas.
Why BEX AI
Skip the spreadsheet marathon
Estimating by hand costs UK builders evenings and weekends. BEX AI does the heavy lifting so you can quote faster, present better, and protect your margin.
Quotes in minutes, not hours
Describe the job in plain English and BEX AI drafts a detailed, itemised quote. From blank page to client-ready PDF in five minutes.
10+ UK build types
Extensions, loft conversions, bathrooms, kitchens, basements and more, each with the phases and tasks UK jobs actually involve.
Live UK construction pricing
Every line item is priced against live UK construction data, so your materials and labour costs reflect the real market.
Unlimited AI edits
Change anything by chatting in plain English: swap materials, resize the job or adjust labour, and the totals recalculate automatically.
Branded, client-ready PDFs
Export quotes carrying your logo, VAT number and business details. Phase-by-phase, task-by-task breakdowns your clients can follow.
Built for UK builders
Not a generic spreadsheet tool. BEX AI is made for UK residential construction workflows, terminology and trades.
How it works
Five minutes. Not five hours.
1
Describe the job
Tell BEX AI about the project in your own words: build type, size, location, spec.
2
AI drafts the estimate
Get a phase-by-phase, task-by-task breakdown priced with live UK data.
3
Edit in plain English
“Make the roof slate”, “add underfloor heating”. Totals recalculate instantly.
4
Export your branded PDF
Send a client-ready quote with your logo, VAT number and business details.
Simple, honest pricing
Plans for every size of building business
Every tier comes with full features: branding, AI chat edits and PDF export. Pick the volume that matches how often you quote.
Starter
FREE TRIAL£39 + VAT / mo
5 quotes per month
For solo builders quoting a handful of jobs a month.
- Unlimited AI chat edits per quote
- Full UK construction pricing database
- All job types (Extensions, Lofts, Basements, Kitchens, Bathrooms, more)
- Branded PDF export with your logo + VAT number
No charge for 30 days. Cancel anytime.
Most popular
Professional
£89 + VAT / mo
15 quotes per month
For growing firms with a steady pipeline.
- Unlimited AI chat edits per quote
- Full UK construction pricing database
- All job types (Extensions, Lofts, Basements, Kitchens, Bathrooms, more)
- Branded PDF export with your logo + VAT number
Paid from day 1. Cancel anytime.
Business
£179 + VAT / mo
40 quotes per month
For estimating-heavy contractors.
- Unlimited AI chat edits per quote
- Full UK construction pricing database
- All job types (Extensions, Lofts, Basements, Kitchens, Bathrooms, more)
- Branded PDF export with your logo + VAT number
Paid from day 1. Cancel anytime.
FAQ
Software questions, answered
Is there a free version of the software?
Yes, BEX AI comes with a 30-day free trial with nothing charged before day 30, and you can cancel at any time. See our free construction estimating software page for the details.
How much does construction estimating software cost?
BEX AI starts at £39 + VAT per month for 5 quotes a month, with Professional at £89 + VAT (15 quotes) and Business at £179 + VAT (40 quotes). Annual billing saves 17%, and every plan includes unlimited AI edits, PDF export and all job types.
Do I need to install anything?
No. BEX AI runs in your web browser on any device, with nothing to download, install or maintain.
Is it accurate for UK projects?
BEX AI prices line items against live UK construction data and is built around UK residential build types, phases and trades. You can review and adjust every line before it reaches a client.