We use cookies to allow us and selected partners to improve your experience and our advertising. By continuing to browse you consent to our use of cookies. You can understand more and change your cookies preferences here.

Grant Vortex Pro Internal Compact Combi review

£2,534.00 Typical price

Brand score %

Key features
  • Oil
  • Combi

Many oil boilers are sold as replacement products for older, less efficient appliances, so size can be an important consideration. The Vortex Pro Internal Compact Combi is only 515mm wide so it's smaller than most oil combis – but you'll need to find extra space nearby to fit the 24-litre expansion vessel. To find out whether the Grant Vortex Pro Internal Compact Combi will provide enough heat and hot water for your home, and to find out how reliable the Grant brand is, read on.

Included in our expert review
  • Pros and cons
  • Heating engineer views
  • What type of home is this boiler suitable for?
  • Will this boiler produce enough hot water for my home?
  • How efficient is this boiler?
  • What controls does this boiler have?
  • Is this boiler smart compatible?
  • What is the warranty with this boiler?
Try Which? for £1
You can cancel at any time

Brand scores

The overall Which? test score is made up of the following star ratings, all determined by our rigorous lab tests.

Find out how we assess boilers
Try Which? for £1
You can cancel at any time

Put us to the test

Our Test Labs compare features and prices on a range of products. Try Which? to unlock our reviews. You'll instantly be able to compare our test scores, so you can make sure you don't get stuck with a Don't Buy.

Put us to the test

Our Test Labs compare features and prices on a range of products. Try Which? to unlock our reviews. You'll instantly be able to compare our test scores, so you can make sure you don't get stuck with a Don't Buy.

    CompareRemove all products