Whether you’re decluttering, downsizing, or preparing for a big move, choosing the right storage unit size is essential. Too small, and you’ll struggle to fit everything in. Too large, and you’ll pay for space you don’t use. To help you make a confident and informed choice, here’s a breakdown of standard storage unit sizes along with relatable examples of what each can hold.
25 sq ft – Ideal for Boxes and Small Items
This compact size is about the same as a small garden shed or large cupboard. It’s perfect for those who need to store a few boxes, seasonal decorations, suitcases, or archive documents.
Fits: Around 40 medium-sized boxes
Use Case: Decluttering a one-room flat or storing student belongings during summer
Key Question: Do I only need to store personal items, clothes, or paperwork?
50 sq ft – Contents of a Studio Flat
Roughly the size of a small transit van, this unit suits those moving out of a studio or very small flat. You’ll be able to store small furniture like a bed, a desk, a few chairs, and several boxes.
Fits: Contents of a studio flat
Use Case: Ideal for a single person between homes or renovating a room
Key Question: Am I storing both furniture and boxes, or just one or the other?
75 sq ft – One-Bedroom Flat
With a bit more room, this unit accommodates the contents of a one-bedroom flat, including larger furniture such as sofas, a double bed, and white goods like a washing machine.
Fits: Contents of a 1-bedroom flat
Use Case: Great for couples moving in together or those in transition between properties
Key Question: Do I have large items like white goods or sofas to store?
100 sq ft – Two-Bedroom Flat or Small House
About the size of a standard garage, this unit is spacious enough for the contents of a small home. Think two bedrooms’ worth of furniture, kitchen appliances, dining sets, and boxes.
Fits: Contents of a 2-bedroom house
Use Case: Moving, renovating, or storing while working abroad
Key Question: Will I need to access certain items frequently, or can it be packed fully?
150 sq ft – Three-Bedroom House
This is the right choice for larger families needing temporary or long-term storage. It holds substantial furniture, garden equipment, white goods, and numerous boxes.
Fits: Contents of a 3-bedroom house
Use Case: Ideal for family relocations or storing between selling and buying
Key Question: Am I storing everything from my house, including outdoor and garage items?
200+ sq ft – Large Properties or Business Use
These units are suitable for four-bedroom houses or for businesses with stock, equipment, or office furniture. You’ll have space for large, bulky items and the ability to create walkways for easier access.
Fits: Contents of a 4–5 bedroom house or full business stock
Use Case: Long-term storage, commercial use, or full-house moves
Key Question: Do I need extra room to move around inside the unit or rotate items?
Tips for Making the Most of Your Space
- Stack vertically: Use the full height of the unit.
- Disassemble furniture: Save space by breaking down beds and tables.
- Label everything: Makes it easier to find things later.
- Access needs: Consider what you might need to retrieve during storage.
