Get free solar panel quotes

Find out savings and costs of installing solar

Tips & Tricks

Need an EPC survey? Here's all you need to know

Mikael Kristianslund

A woman in a blue shirt explaining
August 22, 2023

An Energy Performance Certificate (EPC) survey is a legal requirement for homeowners in the UK who are selling or renting their property. It provides an energy efficiency rating for the property, ranging from A (most efficient) to G (least efficient).

The EPC survey is a vital tool for potential buyers or renters, as it offers insight into the energy consumption and costs associated with the property.

Do I need to prepare for an EPC survey? If so, how?

Before the EPC survey takes place, there are a few steps you can take to ensure a smooth process:

  • Ensure that the surveyor has access to all areas of the property, including loft spaces and utility rooms.
  • Provide information about any recent improvements or upgrades to the property's insulation, heating systems, or windows.
  • If applicable, have documentation of any renewable energy sources or energy-efficient features in the property.

How long does an EPC survey take?

An EPC survey typically takes between 1 to 2 hours to complete, depending on the size and complexity of the property. The surveyor will need to inspect various aspects of the home, such as insulation, heating systems, windows, and lighting. The time taken can vary, so it's wise to ask your surveyor for an estimate beforehand.

How much does an EPC survey cost?

The cost of an EPC survey can vary widely depending on the size of the property and the provider you choose. On average, you can expect to pay between £60 to £120 for an EPC survey in the UK. It's advisable to shop around and obtain quotes from different providers to ensure you get the best value for your money.

What does an EPC survey entail?

An EPC survey involves a thorough examination of the property by a qualified assessor. The assessor will look at various factors, including:

  • Heating Systems: The type and efficiency of the heating system in place.
  • Insulation: The quality and effectiveness of insulation in walls, roofs, and floors.
  • Windows and Doors: The energy efficiency of windows and doors, including glazing.
  • Lighting: The type of lighting used and its energy consumption.
  • Ventilation: How well the property is ventilated, affecting heating and cooling efficiency.

The assessor will then compile the data into a report, providing an energy efficiency rating and recommendations for improvements.

What happens in an EPC survey?

The process of an EPC survey is methodical and follows a set pattern. Here's a step-by-step guide to what happens in an EPC survey:

  • Appointment Scheduling: You'll need to book an appointment with a certified EPC assessor. They will arrange a suitable time to visit your property.
  • Visual Inspection: The assessor will conduct a visual inspection of the property, examining key areas that affect energy efficiency.
  • Data Collection: The assessor will gather information on the property's construction, heating, cooling, insulation, lighting, and more.
  • Assessment and Rating: Using the collected data, the assessor will calculate the property's energy efficiency rating.
  • Report Generation: A detailed report will be generated, including the energy rating and recommendations for improving energy efficiency.
  • Follow-up (if necessary): If you have questions or need further clarification, the assessor may provide follow-up support.

The process is designed to be straightforward and informative, providing valuable insights into your property's energy performance.

What is the most common EPC rating?

The most common EPC rating in the UK is D. This rating indicates that the property has moderate energy efficiency and could benefit from some improvements to become even more energy-efficient.

What are some criticism to the EPC system?

While the EPC system provides valuable information about a property's energy efficiency, it has faced some criticism. Critics argue that the EPC rating doesn't always accurately reflect the actual energy consumption of a property, as it's based on standardised assumptions rather than real-world data. Additionally, there have been concerns about the consistency and accuracy of assessments conducted by different assessors.

Despite these criticisms, an EPC survey remains an essential means of obtaining a clear and informative overview of your home's energy efficiency. From the survey's cost and duration to the thorough inspection and final report, understanding the EPC process empowers you to make well-informed decisions about your property. By selecting a reputable provider and familiarizing yourself with the procedure, you can maximise the benefits of this vital service.

Ready to transform your home's energy efficiency?