How Big is a 150 Square Foot Storage Unit?

By Anna Roberts

Published 9 months ago

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The contents of a 150 foot storage unit including a brown sofa, a bike, grey fridge, boxes and a green kayak with a teddy  and dog riding on it

Welcome to this article which is part of the fundamental series on covering the different sizes of self storage units and helping you to choose the right size for you. 

Before we delve into the details of how big a 150-square-foot self storage unit is, let's just clarify a couple of things about the dimensions. If you're a fellow Brit, then the concept of feet and square feet hopefully won't be too alien to you. We cling to imperial measurements for dear life, even though we switched to the metric system in 1975. If for example, you were to imagine a 10-foot long by 10-foot wide room that would give you 100 square feet and so on. 150 square feet could be approximately a 10-foot wide by 15-foot long or an eight-foot wide by 18.75 long space or any combination that gives you 150 square feet. Still confused? Our space calculator on our website may help! 

If you're from another country, you may be more familiar with square metres, in which case 150 square feet is the equivalent of 13.93 square metres. Don't forget to check out our article on making the most of air space to ensure you maximise every bit of space within your self storage unit which includes going up and stacking things on top of each other. Let's not delve into cubic feet or metres for now! 

How much will a 150-square-foot storage unit store? 

A typical 150-square-foot storage unit is an ideal size for an average three-bedroom house in the UK. That might mean that your three-bedroom house however is slightly different if, for example, you have a large garage full of items or lots of items in your rooms. Maybe you are an avid gardener and have a shed brimming with gardening equipment that you would like to store for example. In which case it would make sense to go for more space. You might want to consider 160 square feet, for example, which is your typical shipping container size that you would see on the back of a lorry or a ship or perhaps you feel you need even more. 

On the other hand, if you are a Marie Kondo worshipper and aspire to a more minimalist life, perhaps your third bedroom is more of a very small home office or box room, you could potentially get away with slightly less space than 150 square feet. Needless to say, self storage and space estimation is very subjective as we all live very differently and require different things. Never fear, most storage operators are very flexible and accommodating. If you find that you've reserved the wrong size storage unit for your needs, they have availability and will often let you move storage units, rooms or containers depending on the language that they might use to describe the space that you will rent. 

For more information, we have a whole article on the lingo of self storage and if you're not sure which type of self storage to go for (Yes, there is more than one!) it's well worth taking a look at our article on types of self storage for some inspiration. If you have any comments, feedback or suggestions on future articles, as always, we would love to hear from you. Get in touch with our Marketing Executive at or give us a call at 08000988864. 

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