The energy certificate: compulsory, it expires, and it says more than you think
Without it you cannot advertise or sign. How long it lasts, what it costs and why the rating matters more to renters every year.
It is one of those formalities done in a rush the day before the listing goes up, and then forgotten for a decade.
What is compulsory
To let a property you need the energy efficiency certificate, registered with your region's authority. The **rating must appear in the listing**, and the certificate is handed to the tenant. Advertising without it can carry a penalty.
It expires, and this is always forgotten
It has a limited validity — ten years in the general case, less where the rating is among the lowest under the applicable rules. An expired certificate is the same as not having one. If you have been letting the same flat for years with the same document, check the date.
Note it alongside the property's other dates: boiler service, insurance, the building survey. It is one of those things only discovered expired on the day signing is urgent.
Why the rating matters more each year
It used to be a formality and now it is buying information. With energy costs on everyone's mind, more and more people compare the rating before even visiting, because they can sense — rightly — what they will be paying to heat the place.
And the bonus it comes with
The certificate includes improvement recommendations with their estimated savings. Almost nobody reads them, and they are the cheapest list in existence of where to start if you ever decide to invest in the property.
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