What Is an Energy Performance Certificate?
An Energy Performance Certificate (EPC) is an official document that measures and rates the energy efficiency of a property.
For new builds, an EPC is produced using the Standard Assessment Procedure (SAP). It evaluates your building’s design, construction, and energy systems to predict overall performance.
The EPC not only ensures compliance with UK building regulations but also demonstrates the property’s sustainability credentials and running costs to potential buyers or tenants.
Why Do You Need an Energy Performance Certificate?
An EPC is essential for developers, architects, builders, and homeowners involved in new build projects:
Building Control Approval
A SAP EPC is mandatory for building control approval in the UK. Without it, you cannot legally complete or sign off your build.
Demonstrate Energy Efficiency
Future occupants can see estimated running costs and environmental impact. A strong EPC rating makes your property more attractive to buyers and tenants.
Sustainability Credentials
In a market that values sustainability, a high EPC rating increases property value while proving your commitment to energy efficiency.
What Happens During an EPC Assessment?
To produce your EPC, our accredited assessors analyse your building plans and specifications, reviewing key elements such as:
Insulation and heat retention
Heating systems (e.g., underfloor heating, heat pumps)
Ventilation and air tightness
Renewable energy systems (e.g., solar panels, biomass heating)
This process allows us to calculate the property’s predicted performance before completion, ensuring full compliance with building regulations.
Benefits of an Energy Performance Certificate
Lower Energy Bills
High ratings reduce energy consumption and costs.
Reduced Carbon Footprint
Energy-efficient homes minimise environmental impact.
Increased Property Value
Buyers and tenants prioritise efficient homes, making them more attractive in the market.
Compliance & Certification
Smooth approval with building control and fewer obstacles in property transactions.
Frequently Asked Questions about Energy Performance Certificates (EPCs)
Who Needs an EPC?
Property developers, architects, builders, and homeowners working on self-build projects all require EPCs for new builds.
How Long Is an EPC Valid?
An EPC is valid for 10 years, though significant changes to a property may require an updated assessment.
Is a SAP EPC Different from a Standard EPC?
Yes. A SAP EPC is specifically required for new builds to demonstrate compliance with building regulations, while standard EPCs are used for existing properties.
Can an EPC Improve Property Value?
Yes. A high rating reassures buyers and tenants, often leading to higher sale or rental prices.
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At Jigsaw, we make EPC assessments fast, accurate, and stress-free. Whether you’re a developer, builder, or homeowner, we’ll provide the certification you need to keep your project on track.
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