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House assessed for EPC as part of a grant for new solar panels
Recently had my house reassessed for EPC as part of a grant for new solar panels.
Just wanted to share my new rating among people I know will appreciate it up from a C previously. Slot of flaws in the assessment methodology but I’m happy with it.
2000 build detached. Estimated carbon emissions of 0.1 tonnes.
100% electric. 4kwp solar (plus 3 just added), 5kw inverter, 25kw batteries. Small EV on IoG. Induction hob. 14kw ASHP.
8000kw annual electric import prior to EV and new solar.
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9 Replies
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That’s good to know as I’m all electric with solar & batteries. What is your total energy cost per year?
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Before adding the new panels, battery capacity and EV it was 800 a year. Expecting significant export in the summer.
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Kinda find this hard to believe, only because EPCs are so bad
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Mine was A when built just over ten years ago but had dropped to a C when I had it redone last year. I got 130 My solar exports cover all gas and electricity costs. Probably my water too.
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EPC’s are not worth the paper they are written on. A new build is tested to a higher detail therefore giving a more accurate result.
Anything after that is a guess and therefore giving a less accurate result.
Mine dropped by 1 point after a heat pump but remained as a B category so went ahead with it to extend the lifespan by another 10 years and save on us paying out for one if we decide to sell or rent within the next 10 years.
Absolutely pointless!
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The EPC does not take into account users bills, it looks at the fabric of the building, walls, windows, lights, heating, hot water, insulation etc, to compare any property across the country in the same way. Renewables also come into it solar etc but not batteries or how it’s setup.
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Starting to see a lot of this in home reports and surveys, recently worked on a 200 year old house with falling out windows very little insulation, oil boiler, two heat pumps and solar panels rated as an A!!
Meaningless
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this isn’t my first rodeo. I’ve been decarbonising since 2021 and have gradually upgraded my systems. The EPC itself serves no purpose to me. I have no intention of moving.
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that is fair enough, my point is that many are misled by these inaccurate epc, I see this on agents handovers. Buying an A rated house then discovered it has huge fuel bills is a reality, but in no way do I wish to rain on your parade
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