POPT Calculator
Smarter Compliance for
Retrofit Leaders

Transform complex retrofit data into clear, actionable and compliant reports.
Retrofit compliance doesn’t have to slow you down.
Instantly calculate POPT, handle untreatable areas and generate audit-ready reports — in minutes.
Fast, reliable and built for busy retrofit teams.

Start Your First Calculation
Start Your First Calculation

Key Features and Benefits

Super-Smart Calculations

Log wall areas, floors, sections, doors, windows and untreatable areas— POPT Calculator crunches it all for you, delivering instant compliance outputs.

Built for Speed

Survey-to-compliance in minutes, not hours. Perfect for growing retrofit pipelines.

Fully Retrofit-Ready

Designed by retrofit professionals for real-world retrofit workflows — fully aligned to PAS 2035 standards.

Easy Audit Trails

Save your inputs. Export clean, detailed reports. Submit with confidence to auditors, funders and clients.

How POPT Calculator Works

Enter Your Property Details

Input the property address, select floors and define sections.

Step 1

Add Your Floors and Walls

Log wall lengths, heights, windows, doors and mark treatable and untreatable areas easily.

Step 2

Hit Calculate!

POPT Calculator instantly delivers your POPT.

Step 3

Save & Export

Download detailed reports for funding submissions, PAS audits and client packs.

Why Retrofit Leaders Trust POPT Calculator

  • Built specifically for PAS 2035 compliance -ECO4, GBIS, SHDF
  • Standardizes outputs across your surveyors, assessors, coordinators
  • Audit-ready, exportable reports — no manual rework needed
  • Cuts project reporting time by up to 80%
  • Affordable plans for SME installers, national frameworks and delivery partners

Perfect for Retrofit Professionals

Retrofit Coordinators

Retrofit Assessors

Site Surveyors

Designers

Submissions Teams

PAS Compliance Officers

Affordable Pricing Plans for Every Business Size

Whether you’re a one-person surveying team or managing thousands of properties nationwide, POPT Calculator has flexible, transparent pricing — no hidden fees, no surprise costs.
  • Assessors
  • SME Installers
  • National Retrofit Frameworks
View Pricing Options

Success Stories

POPT Calculator has enabled us to assess job viability on site and also helps our material ordering process. Really easy to use and the POPT support team were great with set up
As an RA, this tool makes PAS compliance so straightforward. Clients are asking more of us and to be able to offer this with our PAS 2030: 2023 coordination packages has set us apart so it’s a win-win for our office
POPT Calculator has simplified this process for our submissions team, we no longer have to spend time and resources manually calculating and checking every submission. It’s now essential to our operations. Highly recommended

Ready to Deliver Smarter,
Stronger Retrofit Compliance?

Launch your first POPT calculation in minutes — no credit card required.
Protect your funding, power your delivery and stay audit-ready at every stage.

Start Your First Calculation