AIR TESTING & SAP CALCULATIONS SPECIALISTS

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What is the relationship between airtightness and condensation risk
Air Tightness

What is the relationship between airtightness and condensation risk?

Airtightness in buildings is crucial for controlling condensation and maintaining both structural integrity and occupant health. By preventing air leakage with well-designed air barriers and vapour control layers, the risk of warm, moist air reaching colder surfaces and condensing is significantly reduced, thereby avoiding issues like mould growth and structural deterioration. Airtight buildings also enhance energy efficiency by reducing convective heat loss and contribute to better indoor air quality by keeping out airborne contaminants. Best practices for achieving airtightness include installing continuous airtight and vapour-tight layers on the warm side of the building envelope, particularly in roof systems.

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Get Your SAP Calculation Done Quickly and Easily
SAP Calculations

Get Your SAP Calculation Done Quickly and Easily

When you’re building or changing a home, a SAP calculation makes sure it meets energy rules and doesn’t waste power. We help with every step, starting from your first drawings through to the final checks, so you stay on track without stress. We look at things like insulation, heating, windows and even solar panels if you have them. If something doesn’t add up, we’ll explain what to change, often it’s simpler than you’d think. Every home is different, but we’re here to guide you the whole way and help you build something that’s warm, comfy and ready for the future.

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Get a Home Energy Assessment to Cut Your Bills
Home Energy

Get a Home Energy Assessment to Cut Your Bills

We all want to save money and stay warm, and a home energy assessment is a great way to start. When we book one, a trained assessor visits our home to check how it uses energy, looking at things like insulation, heating, windows, and lighting. They help us spot problems we might not notice, like heat escaping through the loft or draughty door frames. After the visit, we get a clear report with easy ways to make things better. At Ratio Seven, we make it simple to book and understand. It’s a smart move if you’re tired of high bills or cold spots.

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Find Approved SAP Calculation Consultants for UK New Builds
SAP Calculations

Find Approved SAP Calculation Consultants for UK New Builds

When you’re building a new home in the UK, you need something called a SAP calculation to show your house meets the rules for energy use and carbon emissions. We help people with this every day, working closely with your drawings to figure out things like insulation, windows, heating, and even lighting. We speak to building inspectors and keep everything on track so there are no delays. If you change something during the build, just let us know and we’ll update it. Our job is to make sure your new home is ready to pass checks, save energy, and keep future bills low.

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SAP Rating Assessor Helps New Build Homes
SAP Calculations

SAP Rating Assessor Helps New Build Homes Meet Standards

When you’re building a new home in the UK, a certified SAP rating assessor helps work out how energy-friendly your design is. SAP stands for Standard Assessment Procedure, and it’s the method used to check if your new build meets rules about energy use and carbon emissions. We take your building plans and look at materials, heating, lighting, and more to calculate a score that shows how well your home will perform. At Ratio Seven, we step in early so builders, architects, and developers can make changes before work starts, keeping projects smooth, avoiding delays, and making sure everything’s done right the first time.

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Get EPC Assessments That Fit Your Home and Needs
Energy Performance Certificates

Get EPC Assessments That Fit Your Home and Needs

We care about helping you get the most out of your property, and that starts with understanding how it uses energy. An Energy Performance Certificate (EPC) shows how your home or building scores, from A to G, and gives real advice to help you improve. Whether you’re selling, renting or building, we make sure your EPC is done properly by trained assessors who know what to look for, things like insulation, heating and lighting. We also explain everything clearly, so you’re not left guessing. If you’re making changes or building from scratch, we can do SAP calculations too, just give us a shout.

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SAP Energy Assessment
SAP Calculations

Make Your Home Better with an SAP Energy Assessment

At Ratio Seven, we carry out SAP energy assessments to help people understand how their homes use heat, light and air so they can make smarter choices when building or improving. A SAP score gives you a clear idea of how energy-friendly your home is, and by sorting it early, you could save yourself time, money and stress later on. Whether you’re starting a new build or planning major changes to your current home, we’ll guide you through the steps and explain everything in a way that’s easy to follow. If you’re ready to get started, get in touch with us today.

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Airtightness testing for builders to cut energy use
Air Tightness

Airtightness testing for builders to cut energy use

We help builders across the UK with airtightness testing because getting it right first time saves stress, time and money. When air leaks out of a new build, it drives up heating bills, creates draughts and can lead to failed tests that delay handover. That’s why we plan early, walk the site with builders before the walls go up and offer advice to spot problems while they’re easy to fix. Testing only takes about an hour, and we’ll show you where leaks are if needed. We’ve done thousands of tests, and the ones that pass first time usually started with good prep.

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EPC for New Builds Made Simple and Easy to Understand
Wiki

EPC for New Builds Made Simple and Easy to Understand

When you build a new home, one of the key things you’ll need is something called an Energy Performance Certificate, or EPC. We help with this from start to finish, starting with SAP calculations, which are like a test on how well your home will use fuel and power. Once your build is complete, we check everything again and make sure your EPC gets logged properly. A good rating means lower bills and a cosier home, which is great for you or anyone looking to buy later. We’re here to help make the whole process simple and stress-free.

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