Welcome to the Compliance Expert Group
At Compliance Expert Group, we provide a suite of innovative compliance tools and services designed to simplify and support regulatory compliance within the UK building industry. Whether you’re a contractor, developer or assessor, our goal is to streamline your workflow and help you meet the latest building regulations with ease and confidence.
EasyWaterCalc
The fastest online water certificate calculator. Get a Part G certificate in minutes with EasyWaterCalc.co.uk.
Air Sealing Expert
Temporary air sealing tape providing an airtight seal from just £23.97. Get yours at AirSealingExpert.co.uk.
SAPAPP
SAPAPP is a fast and error-free way to upload evidence for Part L compliance. Find out more at SapApp.co.uk.
Envelope Expert
Our Envelope calculations are more precise than on-site measurements. Get started at EnvelopeExpert.co.uk.
From energy performance to airtightness, our specialist platforms – including EasyWaterCalc, SAPAPP, Envelope Expert and Air Sealing Expert – deliver tailored solutions that save time, reduce errors and ensure every box is ticked. Each tool is developed with direct input from industry professionals to tackle real-world challenges, giving you peace of mind that your projects are on the right track.
Our focus is on automation, accuracy and accessibility. Whether you’re calculating Part G water use, documenting build stage compliance, managing thermal envelope calculations or ensuring airtightness standards are met, we provide the digital support you need to stay compliant, stay efficient and stay ahead.
We’re not just ticking boxes – we’re building smarter systems for a more compliant future.
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