A combi boiler and thermostat on a kitchen wall, the kind of detail an energy assessment records

Guides · EPCs & energy

EPCs & energy, explained.

Ratings, the law, and what actually moves a D to a C.

EPCs & energy · 8

Read before you book.

8 min · 7 Sept 2026

What is an EPC certificate, and what is actually on it?

The rating, the potential rating, the running costs, the features table and the recommendations. What each part of an EPC certificate means, who needs one, and what it does not tell you.

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6 min · 7 Sept 2026

How to check the EPC register, and how to find an assessor

Every EPC in England and Wales is public and free to look up. How to find yours in a minute, what to do when the entry is wrong or missing, and how to choose an assessor without overpaying.

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6 min · 7 Sept 2026

How much is an EPC, and why the cheapest quote often is not

What an EPC costs across the UK and in Lincolnshire, the four things that move the price, what should always be included, and how the cheap headline figures work.

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5 min · 6 Sept 2026

How long does an EPC last, and when do you need a new one?

Ten years from the date it is lodged. The exceptions, how to check yours for free, and the three situations where a valid certificate still is not enough.

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6 min · 6 Sept 2026

Your EPC says D. What does that actually mean?

A D is legal to let today and may not be for long. What the bands mean, where the proposed 2030 threshold sits, and what typically moves a D to a C.

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6 min · 6 Sept 2026

EPCs for landlords: the minimum rating, exemptions and penalties

What rating you need to let a property, how the exemption register works, what the penalties are, and what is likely coming.

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6 min · 6 Sept 2026

How to improve an EPC rating without wasting money

The measures that move the score most per pound, the ones that are usually not worth it for the rating alone, and the order to do them in.

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4 min · 6 Sept 2026

Selling a house: when you need the EPC and what buyers read into it

The certificate has to exist before marketing, not before completion. What a low rating does to a sale, and whether it is worth improving first.

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