Can Upgrading Windows Improve An EPC?

Under current proposals from the UK government, the regulations around Energy Performance Certificates (EPC) will change by 2025. An EPC shows the rating of how energy efficient a home is. Currently the rating goes from A (most efficient) to G (least efficient).

The government want more houses to rate higher in their energy efficiency. To achieve this, they are proposing that all homes reach a minimum of grade C by 2025 (for new tenancies) and 2028 for all rental properties. They also propose increasing the fine for not having a valid EPC. This fine increase will be from £5,000 currently, to £30,000.

This is part of the government’s target to reach net zero carbon emissions by 2050. EPCs are also needed for homeowners to sell a home so this change affects both landlords and homeowners. Tenants living in rental accommodation do not need to do anything about the EPC, it is the responsibility of their landlord. However, tenants may be affected by any changes that are carried out as part of the improvements.

What does an EPC cover?

The rating is determined by an EPC inspector. They investiagte the building construction and use of different areas, heating and cooling, ventilation, hot water and lights. A comparison is then made against a reference property that is a similar standard to the one being assessed.

Your EPC will have two numbers on; the total points scored. The lower is what your home is currently rated. The higher number is what you could achieve with some recommendations.

The recommendations typically cover:

  • Windows – if they are single, to become double glazed. If old double glazing, change to triple glazing.
  • Loft insulation – install if none, improve if failing.
  • Wall insulation – different types available for different houses.
  • Boiler – replace if inefficient.
  • Secondary heat source – for example a log stove is more efficient than an open fireplace.
  • Solar panels – adding renewable energy source to your home.

Some of these recommendations are more invasive and costly than others, and you may find that some have already been done. You do not get extra points for replacing something that isn’t inefficient.

For landlords concerned about reaching a rating of C, you may find that simply upgrading the windows from old double glazing to new triple glazing is enough to reach a C. Other properties may need more work. For homeowners looking to sell, it is a good idea to check what your EPC rating is as early as possible. This will give you plenty of time to work with your estate agents and decide if you want to do any work on the house before selling.  

What are the positives of improving your EPC?

There are a number of reasons why improving your EPC is a good idea, apart from avoiding the fines for not making the improvements on time.

MoneySupermarket found that homes with a higher energy efficiency rating sold for higher amounts than other similar properties. Improving your rating from a G to an A could increase your house price by as much as 14%.

A more energy efficient home can reduce energy bills over time as they lose less heat out of windows, walls, and roofs.  

As consumers are looking towards more sustainable and energy efficient options, having a higher EPC than competition may put your property in higher demand. When it comes to selling or renting, this could speed the process up.

Regardless of whether the proposed changed to minimum EPC ratings goes through parliament, landlords and homeowners can see the benefits of creating a more energy efficient home.

Warm and cosy tenants need bills they can afford to pay. This may mean they treat the property with more respect and stay for longer periods. Homes are sold for higher prices. And the environment will be better off for the changes.

Are you a homeowner or landlord interested in increasing your EPC rating? Talk to us now about your windows, doors and conservatory improvements.

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