Guardian Self Storage vs Storage King: Storage Prices Compared

7 size categories compared · Updated November 2026
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Guardian Self Storage is cheaper overall

Guardian Self Storage wins on price in 6 of 7 size categories.

As of November 2026, Guardian Self Storage operates 9 facilities while Storage King has 180. For medium units, Guardian Self Storage averages $178/month vs Storage King at $245/month. Guardian Self Storage is cheaper on average across most size brackets.

Guardian Self Storage
Facilities 9
States NSW, QLD
Brackets won 6 of 7
Storage King
Facilities 180
States ACT, NSW, QLD, SA, VIC, WA
Brackets won 0 of 7

Price Comparison Score

Guardian Self Storage: 6 wins Storage King: 0 wins

Price Comparison by Unit Size

Size Guardian Self Storage Storage King Cheaper
Locker (< 2 m²) $58/mo avg
2 units at 2 facilities
$86/mo avg
299 units at 124 facilities
GDN
33% cheaper
Small (2–5 m²) $117/mo avg
13 units at 6 facilities
$155/mo avg
1101 units at 175 facilities
GDN
25% cheaper
Medium (5–10 m²) $178/mo avg
24 units at 9 facilities
$245/mo avg
1558 units at 180 facilities
GDN
27% cheaper
Large (10–20 m²) $269/mo avg
49 units at 9 facilities
$434/mo avg
1952 units at 180 facilities
GDN
38% cheaper
Extra Large (20–40 m²) $556/mo avg
5 units at 3 facilities
$800/mo avg
876 units at 173 facilities
GDN
30% cheaper
Garage+ (40+ m²) Not available $1683/mo avg
234 units at 81 facilities
—
Vehicle / Parking $162/mo avg
9 units at 4 facilities
$309/mo avg
253 units at 129 facilities
GDN
48% cheaper

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Frequently Asked Questions

Is Guardian Self Storage or Storage King cheaper?
Based on national average prices, Guardian Self Storage is cheaper than Storage King across the majority of unit size categories. However, prices vary by location — compare prices in your specific suburb for the most accurate result.
How many locations do Guardian Self Storage and Storage King have?
Guardian Self Storage has 9 facilities with available pricing, while Storage King has 180. Facility counts reflect locations where we have current pricing data.
Which states do Guardian Self Storage and Storage King operate in?
Guardian Self Storage operates in NSW, QLD. Storage King operates in ACT, NSW, QLD, SA, VIC, WA.
Which is better for a medium storage unit — Guardian Self Storage or Storage King?
For medium units (5-10 m²), Guardian Self Storage averages $178/month and Storage King averages $245/month nationally. Guardian Self Storage is the cheaper option on average for this size.
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