Power Your Compliance.
Simplify Your Retrofit Delivery.
POPT Calculator is the compliance engine your retrofit business needs to thrive under PAS 2035.
No more complex spreadsheets. No more manual errors.
Just fast, accurate, audit-ready retrofit calculations — built for real-world delivery.
Professional Retrofit Workflow
Smarter retrofit workflows, built in. Survey, measure, calculate and export — all in one easy flow that fits the real-world retrofit process.
Full PAS 2035 and ECO4 Alignment
Compliance, without the complexity. Every POPT calculation is fully aligned to PAS 2035 standards — no second-guessing, no missing steps.
Audit-Ready Reporting
Reports you can trust. One-click export delivers full, audit-traceable documentation for clients, funders, and internal compliance teams.
Transparent Calculation Workflow
Clear from start to finish. Track every measured area, treated surface and deduction with complete transparency built in.
Robust Documentation
All your paperwork, simplified. Save and download detailed reports showing every step — from property profiles to final POPT scores.
Consistency Across Teams
Standardized quality, everywhere. Unify surveyor outputs across your projects, protect your funding pipelines and minimize rework rates.
Retrofit Support at Every Stage
Coverage from survey to sign-off. POPT Calculator supports your project through every PAS 2035 stage — with no gaps and no surprises.
Speed You Can Trust
Speed through compliance. 80% faster calculations with instant POPT % outputs — and no more spreadsheet headaches.
Flexible Pricing
Plans that grow with you. From individual RAs to enterprise delivery partners — flexible monthly options with zero hidden costs.
PAS 2035 Confidence Without Heavy Training
Empower your teams faster. Simplify onboarding, reduce training overheads, and get even new surveyors delivering compliant reports from Day One.