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Self Storage Unit Sizes Explained

Martha Lott

Written by Reviewed by Dave Sayce

19th Jan 2022 (Last updated on 18th Mar 2022) 3 minute read

Storage companies offer a range of storage unit sizes and types to suit every situation. From 10 sq. ft lockers all the way to 500+ sq. ft of space, you can store as little or as much as you like.

The size of of your unit will depend on your requirements and cicumstances. Students often require short-term smaller sizes, while businesses typically need large units to store their equipment.

Below, we look at the different storage unit sizes and the items that are suitable for each unit size. Be aware that sizes are approximate and we recommend that you inspect your unit and ensure the space meets your needs.

The unit size you pick will depend on what you need to store and your personal budget. The size you pick will determine your self-storage unit costs.

This article will cover the following:
  1. Small Storage Unit (25-50 Sq. Ft)
  2. Medium Storage Unit (75-150 Sq. Ft)
  3. Large Storage Unit (175-250 Sq. Ft)
  4. Extra Large Storage Unit (500 Sq. Ft)
  5. Are There Bigger Sizes Available?
  6. How to Change Unit Size
  7. How to Get a Self-Storage Quote

Small Storage Unit (25-50 Sq. Ft)

Smaller storage units are roughly the size of a standard garden shed, so ideal if you are just storing the content of one room or hobby equipment.

For transport purposes, the contents of a unit this size will approximetly fill half a transit van.

A unit of this size can hold:

  • Garden supplies and equipment
  • Small furniture items (side tables, small chairs etc)
  • Seasonal decorations
  • Camping gear
  • Sport and fitness gear
  • Bikes

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Medium Storage Unit (75-150 Sq. Ft)

A medium storage unit is approximetly the size of a single garage. For transport, this roughly fits one and a half loads of a luton van.

A unit of this size can hold:

  • Double bed
  • Wardrobe
  • Three-piece suite
  • Dining table and chairs
  • Larger sports equipment
  • Garden and landscaping equipment

Large Storage Unit (175-250 Sq. Ft)

A large storage unit is ideal for the contents of a 4-5 bedroom house. It is also suitable for business for additional stock and office equipment. This units are roughly the size of a double car garage.

For transportation, the contents of a unit this size will likely require a 7.5 tonne box lorry. In this case, contacting a removal company is highly advised.

A large storage unit is suitable for:

  • Large beds
  • Furniture sets
  • Pianos and other large musical instruments
  • Refrigerators and large freezers
  • Retail inventory and business stock
  • Construction supplies

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Extra Large Storage Unit (500 Sq. Ft)

An extra large storage unit is useful for businesses but it can also be an asset to those looking to store the contents of a large home or estate. This size unit is about the size of a three-car garage.

For trassport, the contents will best fit in an articulated lorry. Again, you can arrange this with a removal company.

Extra large storage units are suitable for:

  • The contents of a large house
  • Inventory for businesses
  • Vehicles
  • Large tools and equipment

Are There Bigger Sizes Available?

If you’re looking for storage sizes larger than 500 sq ft, it’s worth renting warehouse storage from local providers. This is ideal if you’re looking to store lots of large items such as palletised goods or large volumes of stock. It is a storage type mainly used by businesses.

How to Change Unit Size

You might have underestimated how many items you need to store and selected the wrong unit size, or vice versa. You'll have to discuss changing unit sizes with your provider, but most storage companies are flexible and if they have the unit size available, you should be able to swap for an additional cost.

How to Get a Self-Storage Quote

Compare My Move works with a large network of verified and trusted removal and storage companies to help with your every need. We can connect you with local companies to choose from, saving you time, money and stress.

Martha Lott

Written by Martha Lott

Having written for Huffington Post and Film Criticism Journal, Martha now regularly researches and writes advice articles for everything moving house related.

Dave Sayce

Reviewed by Dave Sayce

Owner & Managing Director, Compare My Move

Dave Sayce is the owner and managing director of Compare My Move and has over 10 years of experience in the house removals industry.