EPC ratings run from A (most efficient) to G (least efficient). Most Scottish homes land somewhere in the middle. Here's what each band actually represents, and what it means for energy bills, sale price, and rentability.
An EPC gives a property a numeric score from 1 to 100, which is then placed into a band from A to G. The number reflects how efficient the property is at retaining heat, providing hot water, and lighting itself, based on its construction, insulation, heating system, and similar factors.
A higher score is better. Lower running costs, lower carbon emissions, and a more comfortable home.
Extremely rare in existing stock. These are typically very new builds with high-performance insulation, triple glazing, renewable heating sources (heat pumps, solar), and excellent airtightness. Running costs will be very low.
Modern, well-insulated homes. Often newer builds (2010s onwards), or older homes that have been thoroughly refurbished with insulation, modern heating, and double or triple glazing. Energy bills are notably lower than average.
Good. Most modern flats and houses built since the early 2000s sit here, as do older homes with good insulation upgrades. This is the band the Scottish Government is targeting as a future minimum standard for rental properties.
Average. This is where a lot of Scotland's housing stock currently sits, particularly mid-20th century homes with cavity wall and loft insulation but standard double glazing and conventional gas heating.
Below average. Common in older homes with partial insulation, mixed glazing, or older heating systems. Many traditional Scottish stone-built properties land here.
Poor. Often older or rural properties with limited insulation, single glazing in some areas, and older heating systems (electric storage heaters, older oil boilers, or solid fuel).
Very poor. Properties with little to no insulation, single glazing throughout, and inefficient or absent central heating. Running costs will be high. Often older rural properties that haven't been modernised.
The average EPC rating in Scotland is around band D. New builds since 2010 are typically B or C. Tenement flats built in the late 19th and early 20th centuries often score D or E, depending on individual flat-level improvements. Traditional stone-built houses tend to score E without insulation improvements, although they can be upgraded.
Edinburgh's New Town and Old Town buildings, with their stone construction and large windows, often score lower than the equivalent modern property. This isn't necessarily a reflection of how the building actually performs in practice, just how it scores against the standardised methodology. More on this in our piece on EPCs for period and traditional properties.
Increasingly, yes. A few years ago, the EPC was a tickbox requirement that buyers barely glanced at. That's changing.
Energy bills have become a significant part of household budgets, and prospective buyers (particularly first-time buyers and younger families) are paying more attention. A property with a C rating and a D-rated equivalent next door will, on average, look more attractive. Mortgage lenders are also increasingly looking at EPC ratings, with some offering preferential rates on properties rated C or above.
The effect on sale price is modest but real. Research from the UK Government and various property firms suggests properties with higher EPC ratings sell for 1 to 5% more on average, though this varies widely by region and property type.
Yes, with caveats specific to Scotland. Currently, there's no minimum EPC rating required to let a residential property in Scotland (unlike England, which requires at least E). Landlords just need a valid EPC available.
However, the Scottish Government has proposed a minimum rating of C for new tenancies from 2028, with all rentals required to meet C by 2033. Timelines have been subject to revision, but the direction of travel is clear: ratings are heading towards a hard floor. Landlords with E, F, or G properties should start planning improvements now. See our guide to EPC rules for Scottish landlords.
One thing many people overlook: the EPC includes a list of recommended improvements, with estimated costs and potential rating improvements. It's a useful starting point if you're thinking about upgrades, although prices and recommendations are calculated using national averages and may not exactly reflect your local market or specific property.
The recommendations are also conservative. There may be additional improvements possible that the assessor couldn't formally recommend within the methodology, particularly for traditional and listed buildings.
We specialise in giving properties an honest assessment, particularly older homes that often get unfairly low ratings.
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