Built-in ovens: Best Buys Best buy

Built-in oven

Most ovens really look the part, but, unfortunately, you can't tell how good an oven is by looking at it in the shop. There are massive differences between the best and worst ovens we've tested. Poor ovens take forever to heat up, don't heat to the temperatures you set and fail to spread the heat right around the oven itself. 

Video guide: what makes a Best Buy built-in oven?


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Every year our experts at the Which? Test Lab bake more than 100 metres of shortbread for use in our oven heat distribution tests - the best ovens will produce evenly browned shortbread and the worst will leave the shortbread burnt in some areas while not being cooked in others. 

  • We set each oven to heat to high and low temperatures, and we record how long they take to reach their target and how accurate they are. Best Buys get very close to the set temperatures, but the least accurate ovens can overheat by more than 40°C.
  • We use fake turkeys and fake chickens to see exactly what you can fit inside each oven we test - the most roomy ovens can easily accommodate a roast turkey and a tray of roast potatoes.
  • We use 1,000 slices of white bread each year in our grill tests - the best grills evenly brown more than 90% of the white bread. The worst struggle to brown more than 40%.

  • Reviews of 75 built-in ovens: single electric, double electric and gas
  • 16 Best Buy built-in ovens for great results with each meal
  • Reviews of built-in oven from 23 companies

Built-in oven reviews you can trust

Models from the biggest built-in oven brands are tested at the Which? Test Lab – including AEG, Bosch, Beko, Belling, Hotpoint, Indesit, Siemens and Zanussi. We test gas and electric ovens, single and double ovens including double built-under ovens which fit snugly under a counter. Best Buys all do brilliantly in our tests but they don't have to cost a fortune - some of our Best Buy ovens are great value for money.

Which? is independent - we work for you, the consumer, so you can be sure that our product recommendations are influenced only by our test results. We don't take advertising and we buy all the products that we test ourselves, so our advice helps you to make the right choice first time and avoid costly mistakes.

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