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Modern Townhouses

SAP Calculations

For Building Regulations Part L Compliance

FREE EPC with Every SAP Calc!*

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What is a SAP Calculation? 

SAP – Standard Assessment Procedure; it is a method used in the UK to assess the energy performance of residential buildings. It evaluates factors such as heating, ventilation, and renewable technologies to determine energy efficiency in line with Building Regulations Part L.  

It's needed for new residential constructions, extensions, or conversions, ensuring compliance with building regulations and optimising energy use. Essentially, it's the compass guiding builders, architects, and developers towards constructing sustainable, eco-friendly homes for a greener future. 

What type of SAP Calculation do you need? 

SAP Calculations for Building Regulation Compliance Nationwide

* Free As Designed EPC with every SAP Calculation

SAP Calculation Domestic New Build (1).webp

Michael,  Google Reviews

"Great company to deal with, very efficient and helpful.
Thank you Nathan."
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The Process is Straight Forward 

Have a look at our comprehensive and thorough SAP calculation process: 

​1. Project Information Collection

Our fully qualified energy assessors start by collecting all necessary details about the building's dimensions, construction materials, heating systems, and insulation specifications. Our intuitive SAP calculation interface ensures no crucial information is missed. 

4. Predictive Energy Certificate (PEC)

Once the SAP Calculation is complete our energy assessors generate a detailed report on the building's energy performance, including the energy efficiency rating, estimated energy consumption, carbon emissions assessment, and compliance with building regulations (Part L). 

2. Building modeling 

Using the information gathered the building is then modeled in our government approved software.  This covers all aspects of building size, volume and layout, heat loss perimeters, type of construction materials, heating and cooling systems, renewable energy sources (e.g., solar panels), and insulation and glazing details to name but a few. 

3. Real-Time Calculation 

Our intuitive software checks for any inconsistencies or missing data, and is continually checking the building against the parameters in the current building regulations part L ensuring the accuracy and reliability of the results. 

5. Optimisation & Recommendations 

6. Final Report Generation 

Our energy assessors will then work with you and your energy efficiency targets to offer recommendations and advice to enhance the energy efficiency of the building. This may be more efficient insulation levels, more efficient heating systems, or the integration of renewable energy technologies. We also support in a cost-benefit analysis for each recommendation, helping you make informed decisions about potential upgrades. 

After reviewing the recommendations and making any necessary adjustments, we will generate a final SAP Calculation report with an official Predictive Energy Assessment Certificate (PEA) and compliance report which includes all the essential information needed for building regulations compliance and can be submitted to building control. 

Why do I need a SAP Calculation with Energy Ready?

Working with Energy Ready has several advantages for builders, architects, and developers. Here are the key benefits of SAP calculations in the UK: 

Ensures Regulatory Compliance 

Ensures your new build design complies with UK building regulations and in achieving necessary certifications.  All our assessors are fully qualified.

Improves
Sustainability 

Promotes sustainable building practices by evaluating the environmental impact. 

Better Building 
Energy Efficiency 

Ensures the new build meets energy efficiency standards, reducing energy consumption and costs for your end customer

Enhances
Property Value 

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Boosts property marketability and value by ensuring high energy performance. A high rating is an attractive selling point to potential buyers or renters.

Identify Cost Saving Opportunities 

Identifies cost-saving opportunities in the design phase by giving you insights to optimise energy use. 

Forecast your 'As Built' Energy Efficiency

Provides precise predictions on energy performance, aiding in better decision-making during construction. 

When do I  Need a SAP Calculation in The UK? 

SAP calculations are required for a variety of projects including: 

Ensuring that your project undergoes an SAP calculation is essential for compliance with Part L of the UK building regulations and achieving optimal energy efficiency. 

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SAP Calculation for New Buildings

SAP Calculations for New Buildings: Achieve Part L Compliance and Maximise Energy Efficiency

​​​​What Is a SAP Calculation and Why Is It Important for New Builds?

SAP calculations evaluate a building's energy efficiency based on its construction, heating, and hot water systems. It measures factors such as the building's U-values (which assess the thermal performance of walls, roofs, and floors), the efficiency of heating systems, and the carbon dioxide emissions associated with energy consumption. For new buildings, achieving a high SAP rating is essential for meeting Part L compliance, as this directly affects the building's energy efficiency and environmental sustainability.

Building Control requires a SAP calculation before construction begins and after it is completed. These two stages are critical:

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  • Design stage: The SAP calculation is needed to predict the energy performance of the new building before construction starts.

  • As-built stage: Once construction is complete, a second SAP calculation ensures that the building's energy efficiency matches the predicted performance.

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By using our SAP calculation service for new builds, you are not only ensuring that your building meets Building Regulations, but you are also creating a more energy-efficient and cost-effective structure for future occupants.

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Ensure Part L Compliance with SAP Calculations

Ensure Part L compliance with SAP calculations, which assess energy efficiency for new buildings. SAP calculations are essential for Building Control approval, preventing costly delays and ensuring your project meets UK regulations. Our service helps homeowners, developers, and architects achieve regulatory compliance while optimizing energy performance.

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Improve Your Building's Energy Efficiency and Save Money

A high SAP rating enhances energy efficiency, reducing utility costs and attracting buyers or tenants. Early SAP calculations enable design adjustments, optimizing thermal performance, heating efficiency, and energy consumption. Our detailed U-value feedback ensures Part L compliance, long-term energy savings, and improved building efficiency.​

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Stay Ahead of Building Control Requirements

Part L compliance is crucial for new builds. Without an accurate SAP calculation, Building Control won't issue a completion certificate, causing delays and added costs. Our SAP assessors ensure full compliance, providing guidance to improve energy performance and ensuring a smooth approval process from the start.

FREE EPC with Every SAP Calc!*

Get your quote Today

* Free As Designed EPC with every SAP Calculation

SAP Calculation for Extension

Frequently purchased with SAP Calculations:

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Energy Performance Certificate

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U-Value Calculation

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"Highly professional and exceptionally responsive"​​

- TZ, Google Reviews

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SAP Calculations for Extensions: Ensure Energy Efficiency and Part L Compliance

Why Your Home Extension Needs a SAP Calculation

When you plan a home extension, it's easy to focus on the design and aesthetics, but have you considered how your extension will affect your home’s overall energy efficiency? SAP calculations for extensions are a legal requirement under Part L of the Building Regulations and help ensure that your new extension meets the same energy efficiency standards as the rest of your home.

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A SAP calculation for an extension measures the energy performance of your new space, ensuring that it complies with regulations designed to reduce carbon emissions and energy consumption. Without this calculation, your extension may not pass Building Control inspections, which could result in significant delays and additional costs. Our SAP calculation service for extensions guarantees that your new space is energy-efficient and fully compliant with all legal requirements.

Energy Ready will work with you on your extension project to ensure you can demonstrate compliance with a SAP Calculation for extension. 

Methods to Prove Compliance

Building control allow for multiple ways to prove compliance. As well as meeting the u-value requirements for all the fabric elements you can prove compliance by:

The Glazing Allowance Method

Ensuring the total area of windows, roof windows, rooflights and doors in extensions do not exceed the sum of the following.

i. 25% of the floor area of the extension.

ii. The total area of any windows and doors which no longer exist or are no longer exposed due to the extension.

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Energy Ready can calculate and provide confirmation of compliance

The Whole Dwelling Method

In a lot of modern extensions the designs have a preference for more glazing than the glazing allowance method offers. In these cases Energy Ready can prove compliance by showing that the overall CO2 Emissions Rate of the EXISTING house with the PROPOSED extension is no greater than the EXISTING house with a NOTIONAL extension built to the limiting glazing allowance and fabric standards of the approved document part LB. 

EXISTING DWELLING + PROPOSED EXTENSION CO2 EMMISSIONS

EXISTING DWELLING + NOTIONAL EXTENSION CO2 EMMISSIONS

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What Does a SAP Calculation for Extensions Involve?

A Building Extension Energy Assessment looks at several factors to determine how energy-efficient your extension will be. The calculation considers elements such as:

  • The U-values of walls, roofs, and windows, which measure how well these elements retain heat.

  • The type of heating system installed in the extension.

  • How much natural light the extension receives (affecting heating and lighting needs).

For large extensions or those with a significant thermal performance impact, a SAP calculation will ensure that your extension doesn't negatively affect the overall energy performance of your home. A SAP Rating for Residential Extension is essential for demonstrating compliance with Part L and obtaining a completion certificate from Building Control.

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How a SAP Calculation Improves Your Extension's Value and Comfort

An energy-efficient extension not only meets legal requirements but also enhances the comfort and value of your home. A well-insulated extension with an efficient heating system will stay warmer in the winter and cooler in the summer, making it a more comfortable living space. Additionally, a higher Energy Performance Calculation for Extension can lower energy bills, making your home more attractive to future buyers.

We specialize in providing detailed and accurate Thermal Performance Assessments for Extensions, helping you achieve an optimal SAP rating. By identifying areas where insulation, heating, or other energy systems can be improved, we ensure that your extension is both energy-efficient and cost-effective.

SAP Calculation for Conversions
Barn Conversion

SAP Calculations for Conversions: Ensure Your Project Meets Building Regulations

Why You Need a SAP Calculation for Building Conversions

When converting an existing building into residential use, it’s crucial to ensure that the building complies with current energy efficiency standards under Part L of the Building Regulations. A SAP Calculation for Conversion assesses the energy performance of your building after conversion, ensuring that it meets the required energy efficiency standards and remains comfortable and cost-effective for future occupants.

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Speed Up Building Control Sign Off

Whether you’re converting a commercial building into residential flats or transforming a barn into a modern home, our SAP calculations help you meet the stringent requirements for energy performance. Without a Part L Compliant SAP Calculation for Conversion, Building Control will not sign off on your project, meaning you can’t legally occupy or sell the property.

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Improve Your Building's Energy Efficiency and Save Money

In a building conversion, factors such as insulation, window quality, and heating systems must be carefully evaluated to meet energy efficiency requirements. A SAP Calculation for Conversion evaluates:

  • U-values of the building materials used in walls, roofs, and floors.

  • The efficiency of heating systems and hot water provisions.

  • The building’s air tightness and overall heat loss performance.

By improving these areas before the conversion is completed, you ensure that your building complies with Part L and achieves a favorable SAP rating and saves you money.

UK SAP Calculations for  Compliance Nationwide

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Our promise to you...

Speedy Turnaround

When we receive the go ahead you become our priority. We aim to turnaround within 7days of receiving all the plans.

Competitive Prices

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competitive prices

We’ve reviewed all our prices for 2024 so you get the very best value for your money and with FREE EPCs for every SAP calculation we are hard to beat!

Transparent Process

No hidden fees, no sudden invoices, no confusing jargon, no extra waiting time. We work with you to get the result you need in line with SAP calculations for Building Regulations Part L.

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Open & Easy Dialogue

Our goal is to help you achieve yours. From start to finish no question is off limits, we want you to be completely satisfied and confident in the energy efficiency of your project after working with us.

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Email over your plans today and we'll get cracking!

  • Why do I need a Commercial EPC?
    Acommercial energy certificate is required by law when a non-residential property is constructed, sold, rented, or modified. It helps property owners, tenants, and buyers understand the energy efficiency of a building and identify opportunities for improvement to reduce energy costs and environmental impact.
  • How is the energy efficiency of a commercial property assessed?
    The energy efficiency of an EPC for commercial propertyis assessed based on various factors, including heating systems, lighting, insulation, and the overall energy usage of the building. Our certified assessors conduct a detailed evaluation to provide an accurate rating.
  • How long does it take to get an EPC Commercial property?
    Once we conduct the site visit, we aim to turn around your EPC within 5 days. The process involves a thorough assessment followed by the generation of the EPC report.
  • What are the benefits of having a Commercial EPC?
    Having anEPC for Commercial premiseshelps you comply with legal requirements, reduce energy consumption, lower utility bills, and improve your property's marketability. It also provides valuable insights into enhancing the building's energy efficiency.
  • What happens if my commercial property does not have an EPC?
    If your commercial property does not have an EPC when required, you could face legal penalties and fines. It's important to ensure your property is compliant to avoid any legal complications.
  • How much does a Commercial EPC cost?
    The cost of a Commercial EPC varies based on the size and complexity of the property. We offer competitive pricing and have reviewed our prices for 2024 to provide the best value for your money. Contact us for a detailed quote.
  • What types of properties require a Commercial EPC?
    EPCcommercialare required for all non-residential buildings, including offices, retail spaces, industrial units, and more. If you are constructing, selling, renting, or modifying a commercial property, you will need an EPC.
  • How often do I need to renew my Commercial EPC?
    A Commercial EPC is valid for 10 years. After this period, you will need to obtain a new certificate to ensure your property remains compliant with current energy efficiency standards.
  • What is included in the EPC assessment report?
    The EPC assessment report includes your property's energy efficiency rating, detailed findings from the assessment, and recommendations for improving energy efficiency. It provides a comprehensive overview of your building's energy performance.
  • Do I need an EPC if I am only renting part of my commercial property?
    Yes, an EPC is required for any part of a non-residential building that is being sold, rented, or modified. Each self-contained unit within a commercial property must have its own EPC.
  • Are there any exemptions to the EPC requirement?
    Certain buildings, such as temporary structures, places of worship, and standalone buildings with a total floor area of less than 50 square meters, may be exempt from needing an EPC. Contact us to determine if your property qualifies for an exemption.
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