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How Do I Decide What Size Storage Unit I Need in Bath? 

Posted: 25 March 2026


Feature Image Couple Sorting Out Their Cluttered Garage

To decide what size storage unit you need in Bath, start by listing the items you plan to store and estimating how much space they will take.

Most facilities offer a range of self storage unit sizes, from small lockers for boxes to larger units capable of storing the contents of a full home. 

Choosing the right storage unit size helps ensure you are not paying for unused space while still having enough room to store furniture, appliances and boxes safely. 

 

What Size Storage Units are Available in Bath? 

The interior of Storage King Bath showing secure storage spaces

Most facilities offer different size storage units to suit personal, student and business storage needs. When comparing what size storage units are available in Bath, you will typically find options ranging from small lockers to large units suitable for house moves or business storage. 

The table below shows common self storage unit sizes, how many large moving boxes (475mm × 475mm × 508mm) they can hold, and typical items that fit inside. 

Storage Unit Size (sq ft) 

Approximate Box Capacity 

Typical Items Stored 

10-15 sq ft 

10-12 large boxes 

Suitcases, sports equipment, small shelving unit, student belongings 

25 sq ft 

20-25 large boxes 

Boxes, bedside tables, small cupboard, office chair 

50 sq ft 

35-60 large boxes 

Double mattress, wardrobe, desk, small appliances, contents of a studio flat 

75 sq ft 

70-80 large boxes 

Bed frame, mattress, sofa, wardrobe, dining table and chairs 

100 sq ft 

90-100 large boxes 

Contents of a two-bedroom home including sofas, beds, wardrobes, appliances 

These examples help illustrate what size self storage unit may be suitable depending on the number of boxes and furniture items you plan to store. At larger facilities like Storage King Bath, you will find units up to 400sq ft in size. 

10-15 Sq Ft Storage Units 

These compact units are similar to a small cupboard and are ideal for storing boxes and personal items. 

Typical capacity: 

  • Around 10-12 large moving boxes 
  • Suitcases and travel bags 
  • Sports equipment or hobby gear 
  • Small shelving units 

These units are commonly used for student storage, seasonal items or decluttering a single room. 

25-50 Sq Ft Storage Units 

These units are suitable for storing the contents of a small room or studio flat. 

Typical capacity: 

  • Around 35-60 large moving boxes 
  • One double mattress 
  • One small wardrobe or cupboard 
  • One desk or small table 
  • Several suitcases or storage containers 

A 50 sq ft unit is often used when storing the contents of a studio apartment or small one-bedroom property. 

75 Sq Ft Storage Units 

A 75 sq ft storage unit is a popular option for people moving house and can typically store the contents of a one-bedroom apartment. 

Typical capacity: 

  • Around 70-80 large moving boxes 
  • 1 bed frame and mattress 
  • 1 wardrobe or cupboard 
  • 1 sofa 
  • 1 dining table and chairs 
  • Several appliances or storage containers 

100 Sq Ft Storage Units and Larger 

Units 100 sq ft and above are designed for larger storage needs and can usually store the contents of a two- or three-bedroom home. 

Typical capacity: 

  • Around 90-100 large moving boxes 
  • Multiple beds and mattresses 
  • Sofas and armchairs 
  • Wardrobes and cupboards 
  • Dining tables and chairs 
  • Appliances and larger furniture 

Many facilities, including Storage King Bath, also offer ground-floor storage units up to 400 sq ft. These larger units are often used by small businesses, tradespeople and online retailers who need convenient access for storing stock, tools or equipment. 

Why Choosing the Right Storage Unit Size Matters 

Storage boxes stacked on a moving trolley outside a Storage King storage unit

Selecting the correct self storage unit sizes is important for both cost and convenience. 

Choosing a unit that is too small can make it difficult to access your belongings, while choosing one that is too large means paying for space you do not need. 

When deciding what size self storage unit you need, consider: 

  • The number of boxes you plan to store 
  • Large furniture items such as beds or sofas 
  • Whether you will need regular access to stored items 
  • How long you plan to keep your belongings in storage 

Many storage facilities can also help estimate the most suitable storage unit size before you move in. 

Using a Storage Calculator to Estimate Space 

Many storage providers offer an online storage calculator to help estimate the space required for your belongings. 

A storage calculator typically asks for: 

  • The number of rooms in your home 
  • Furniture items you plan to store 
  • The number of boxes or appliances 

Use a space estimator to quickly estimate what size storage unit you need, especially if you are storing the contents of an entire home. 

However, it is still useful to speak with storage staff who can confirm the most suitable self storage unit sizes based on your inventory. 

Key Takeaways: Choosing the Right Storage Unit Size in Bath 

  • The best way to decide what size storage unit you need is to list the items you plan to store. 
  • Storage facilities offer a range of different size storage units, from small lockers to large units for house moves. 
  • Medium units are typically suitable for flat contents, while larger units suit full home storage. 
  • Storage calculators can help estimate how much space you need. 
  • Choosing the correct storage unit size helps avoid paying for unnecessary storage space. 

FAQs 

How Do I Know What Size Storage Unit I Need? 

The easiest way to determine what size storage unit you need is to list the furniture and boxes you plan to store. Use our  storage size guide or consult our experienced storage staff who can recommend the most appropriate storage unit size. 

How Do I Determine What Size Storage Unit I Need? 

To determine what size self storage unit you need, consider the number of rooms being stored and whether large furniture items will be included. Storage facilities often provide size guides that match typical household contents to recommended storage unit sizes. 

How Do I Calculate the Size of Storage Unit Needed? 

You can calculate the required self storage unit sizes by estimating the number of boxes and measuring larger furniture items. Many storage providers also offer a storage calculator that converts household items into an estimated storage unit size.  

What Size Storage Unit Do I Need For a 3-Bedroom Apartment? 

For a three-bedroom apartment, a 100-125 sq ft storage unit is usually recommended. This size typically accommodates beds, sofas, wardrobes, appliances, and multiple boxes from several rooms. 

The exact storage unit size required will depend on how much furniture and how many boxes you plan to store. 

Are There Different Size Storage Units Available in Bath? 

Yes. Most storage facilities offer a wide range of different size storage units, starting from small lockers and extending to units large enough for full house moves or business storage. This allows customers to choose the most suitable self storage unit sizes for their needs. For example, Storage King Bath has 49 different sized units, ranging up to 400 sq ft. 

Find The Right Storage Unit Size in Bath

The exterior of Storage King Bath

If you are unsure what size storage unit you need in Bath, speaking to experienced storage staff can make the process much easier. 

Storage King Bath offers a wide range of self storage unit sizes, from compact lockers to larger units suitable for full home moves or business storage. The facility provides flexible storage options and modern security features designed to keep your belongings safe. 

Why Choose Storage King Bath? 

  • A wide range of 49 different storage unit sizes for personal and business use 
  • Free reservations so you can secure a unit before moving in 
  • No security deposit required 
  • Individually alarmed storage units 
  • 24-hour monitored CCTV for added security 

Storage King Bath is located at Unit C, Weston Lock Retail Park, Bath, Somerset, BA2 1EP. You can contact the store directly on 01225 432 700 to speak with the team and get advice on choosing the right storage unit size. 

If you are comparing storage units in Bath, you can explore available storage units online or get a free quote to find the right space for your needs. 


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