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How to improve your property’s EPC rating

It is estimated that buildings produce nearly half of this country’s carbon emissions - almost double that of cars and planes.

The introduction of Energy Performance Certificates a decade ago was designed to improve the energy efficiency of buildings, and yet a number of homes still rank poorly.

With a growing appetite for innovation in areas like renewable power in the home, homeowners, including buy-to-let landlords, could reap significant competitive advantages by shifting to a ‘green’ model of potentially adding value to a home.

Here are some top tips from Everest on how to improve your EPC rating:

1.      Insulate your house

A quarter of household heat is lost through the roof. Loft insulation is easy to install and a relatively inexpensive place to start when improving the energy efficiency of your home. The recommendation of rock wool is 270mm minimum depth.

If your house is suitable (seek professional advice) for cavity wall insulation you can expect a considerable retention of the third of heat lost through uninsulated walls.

2.      Replace your windows for double glazing

Older windows can be responsible for 40% of the heat loss in your house. Installing high performance glazing will make a significant difference to the energy efficiency of a home.

To understand what the independent ratings for different windows and glazing mean, this page explains what to look for in an energy-efficient window.

3.      Replace your halogen spotlights with LED bulbs

Since 2018, halogen bulbs are being phased out and removed from sale across Europe.

An LED spotlight can last for 20-30 years in comparison to a halogen bulb that has a working life of only two years. By swopping ten halogen bulbs for LED bulbs, savings of £112 a year can be made over a long-term period.

Installing LED bulbs in all lamps and lighting fixtures is a cheap and easy way to improve your EPC rating (although marginally).

4.      Replace an old boiler for an energy efficient version

An EPC rating is calculated on the cost of energy that supplies your heating system. As heating is a considerable chunk of your energy costs at 55% this is where significant saving and improvements to your bills and your EPC ratings can be made.

By replacing an old boiler that has an appliance rating of ‘G’ with a new A-rated boiler that includes a programmer and thermostat, an annual saving of £305 can be made (based on a detached house).

5.      Installing renewable energy sources

If your home has implemented all other energy efficiency measures then installing solar panels, biomass boilers and ground-source heat pumps will dramatically increase an EPC rating.

To achieve the highest EPC ratings a property would require some form of renewable energy.

By installing solar panels a G-rated, semi-detached house could make a saving of £311 per year.

Poll: Are you planning to improve your property’s EPC rating?

PLACE YOUR VOTE BELOW

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    Biomass ? don't, I fitted one in my home 3 yrs ago, troublesome and the price of pellets have gone through the roof, once my RHI payments end, in around 4 yrs I shall be taking it out.

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    In blocks of flats, Landlords who are most affected by the change in the EPC renting requirement are the ones who do not have gas supplied to the building. Furthermore the electricity companies will no longer supply off peak electricity and the companies who make the modern electrical storage heaters say that they can not be fitted without a separate off peak supply.

  • Bill Wood

    'An LED spotlight can last for 20-30 years in comparison to a halogen bulb that has a working life of only two years'
    I fitted 6 LED lights in my own bathroom about 6 years ago. They were bought from a local, very reputable Electrical Distributor, and were quite expensive.
    One by one they failed, and after 2 years they had all failed. I replaced them with much cheaper halogen bulbs (only four, as they were sooo bright) and all are still working.
    It's not the LED itself that fails, it's the voltage step-down electronics housed within the bulb.

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    I like B&Qs leds day they guarantee for 5 years. Failed after 18 months, when trying to replace they won’t do a thing without receipt. Even though they have only been selling that brand for 4 years

  • Paul Barrett

    Remember B & Q supports Shelter.
    Avoid if you can.
    Shelter remember seek your destruction and support the bonkers S24 policy.
    As for these stupid EPC ideas.
    I have a bog standard terrace house.
    It has loft insulation; D/G; modern boiler and LED bulbs.
    It is only EPC C status or possibly D.
    I will NOT improve to C by having IWI.
    C status is required in 9 years time.
    Fortunately I DON'T let any of these dud terrace properties.
    It is uneconomic for a LL to make a terrace property EPC C status.
    LL should start offloading these dud properies now to whichever mug will buy them.

    But then with BrExit perhaps the whole EPC policy will be junked!!!!

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    So it’s all about digital academics making all the rules & not Landlords. Why don’t you understand it’s digital that has destroyed letting & you are all there doing as much damage as possible with your computers, you are all rogues & living off our backs.

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