Built-in ovens

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How much usable space does an oven really have?

Single ovens can be fitted under a bench, with extra-wide models letting you fit two cake tins side-by-side. But a wider oven doesn’t always mean you get a lot more usable space. We’ve put single ovens – and one combi-steam oven – through a range of everyday cooking tests and found out how easy they are to use and clean.

From our test

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Single or double oven?

Single ovens

Single ovens can be fitted under a bench, but models with separate warming drawers or double ovens are too tall and have to be fitted into a wall unit.

If you need extra oven volume, consider a 900mm wide single oven. If you do a lot of single-shelf cooking (cakes and delicate items like quiches and custard tarts) these extra-wide ovens are useful because they let you fit 2 cake tins side-by-side. But they have wider and larger trays that become very heavy when fully loaded. The trays and shelves are also awkward to clean in a standard-sized kitchen sink.

Double ovens

Double ovens are perfect for people who like to cook different things at the same time. They’re 2 separate ovens stacked on top of one another, each with its own door and cooking controls. You can bake in one oven and grill in the other, or bake 2 things that require different temperatures and functions.

You won’t usually save time heating a secondary oven instead of the main one. But you may save a little energy: most secondary ovens use a little less energy.

Note: The majority of the double ovens we’ve tested have been discontinued, so we don’t have test results for double ovens at this time.

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Features and functions

What do you need from your built-in oven? We explain useful features, how to make sure you get the right amount of usable space, and what accessories to consider.

Find out more

Top Brand

Miele is the Top Brand for built-in ovens. The Top Brand award recognises brands that perform consistently well across product testing, reliability and customer satisfaction.


We asked our members about their built-in ovens to find out which brand is most reliable.

To see which brands are best, become a paying Consumer member or log in.

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Which cooktop?

If you're buying a built-in oven, you'll need a separate cooktop too. Check out our tests of induction, gas and ceramic cooktops.

Learn more

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More Appliances reports

Check out more of our tests, articles, news and surveys in our Appliances section.

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