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EPC Ratings Explained: From A to G

What each EPC band actually means, how the SAP score maps to a letter, and where most Warwick homes sit on the scale.

What do EPC ratings A to G actually mean?

EPC bands run from A to G, mapped from a SAP score of 1 to 100. Band C covers 69 to 80 points and is the level rented homes are expected to need by 2030. Most existing Warwick homes sit in band D, between 55 and 68 points.

  • Band A is 92–100; band G is 1–38.
  • Band E is today’s legal minimum for letting a home.
  • The score models a standard household, not your actual usage.
  • Two identical buildings receive identical ratings.

Every EPC gives a property a score from 1 to 100 — the SAP score — which maps to a letter band from A to G. The higher the score, the lower the modelled running costs, and for landlords the band directly determines whether the property can legally be let.

BandSAP scoreWhat it means
A92–100Excellent — very low running costs
B81–91Very good — efficient modern home
C69–80Good — the target for rented homes by 2030
D55–68Average — where most of the area sits
E39–54Below par — today’s legal minimum to let
F–G1–38Poor — cannot be let without works or an exemption

Where Warwick homes actually sit

The national picture is that most existing homes land in band D, and Warwick is no exception — but the spread within the district is wide, and it tracks the age of the housing rather than the affluence of the area.

  • Modern housing — Warwick Gates, Chase Meadow, Heathcote and Hatton Park tend to sit at C or high D, because the fabric was built to a decent standard.
  • Inter-war housing — much of Coten End, Emscote, Packmores, Myton and Priory Park sits at D, and moves to C readily once the cavity and loft are done.
  • Post-war estate housing — the rebuilt city centre and the estates at Hampton Magna, Woodloes Park, Hampton Magna, Sherbourne Semele and Sherbourne Semele can sit at D or E, with the heating system usually the deciding factor. This is the largest single category in Warwick.
  • Victorian property — the terraces that survived the Blitz at Warwick Town Centre, Bridge End, Saltisford, Barford and Claverdon often sit at E or below. Solid walls with no cavity make this the hardest and most expensive stock to move.

What the bands mean in practice

A and B are rare outside new build and deep retrofit. C is the band that matters most right now, because it is the level residential lettings are expected to need by 2030. D is where the bulk of the country sits. E is the current legal minimum to let. F and G cannot lawfully be let at all without a registered exemption.

One important caveat

The EPC models a standard household, not yours. Two identical houses get identical ratings even if one family runs the heating at 21°C all winter and the other wears a jumper. The certificate is a comparison of buildings — it is deliberately not a bill estimate.

Moving up a band

See our MEES consultancy for a costed plan, or book a fresh domestic EPC to establish the current score first.

Looking for your own area? We have local EPC guides for Saltisford, Woodloes Park, Rowington, Wolverton, Warwick city centre, Forbes Estate, Wolverton, Rowington and every other Warwick area.

FAQ

Frequently asked questions

C or above is a good result for an existing home. B and A generally require new-build fabric standards or a deep retrofit.

A number from 1 to 100 produced by the assessment software, which maps directly onto the letter band. A score of 69 to 80 is band C.

Glazing carries less weight in the calculation than walls, roofs and heating. It helps, but rarely enough to shift a band on its own.

If the fabric, heating and evidence are identical, yes — the calculation assumes standard occupancy, so how the household actually behaves does not change the score.

Generally the Victorian stock in the surviving inner suburbs — Warwick Town Centre, Bridge End, Saltisford, Barford and Claverdon — because there is no cavity to fill.

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