Guardian Self Storage vs National Storage: Storage Prices Compared

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

National Storage wins on price in 5 of 7 size categories.

As of November 2026, Guardian Self Storage operates 9 facilities while National Storage has 248. For medium units, Guardian Self Storage averages $178/month vs National Storage at $135/month. National Storage is cheaper on average across most size brackets.

Guardian Self Storage
Facilities 9
States NSW, QLD
Brackets won 0 of 7
National Storage
Facilities 248
States ACT, NSW, NT, QLD, SA, TAS, VIC, WA
Brackets won 5 of 7

Price Comparison Score

Guardian Self Storage: 0 wins National Storage: 5 wins

Price Comparison by Unit Size

Size Guardian Self Storage National Storage Cheaper
Locker (< 2 m²) $58/mo avg
2 units at 2 facilities
$45/mo avg
92 units at 66 facilities
NS
22% cheaper
Small (2–5 m²) $117/mo avg
13 units at 6 facilities
$87/mo avg
743 units at 222 facilities
NS
26% cheaper
Medium (5–10 m²) $178/mo avg
24 units at 9 facilities
$135/mo avg
1111 units at 243 facilities
NS
24% cheaper
Large (10–20 m²) $269/mo avg
49 units at 9 facilities
$240/mo avg
1222 units at 245 facilities
NS
11% cheaper
Extra Large (20–40 m²) $556/mo avg
5 units at 3 facilities
$495/mo avg
314 units at 154 facilities
NS
11% cheaper
Garage+ (40+ m²) Not available $1187/mo avg
54 units at 33 facilities
—
Vehicle / Parking $162/mo avg
9 units at 4 facilities
Not available —

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Frequently Asked Questions

Is Guardian Self Storage or National Storage cheaper?
Based on national average prices, National Storage is cheaper than Guardian Self Storage 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 National Storage have?
Guardian Self Storage has 9 facilities with available pricing, while National Storage has 248. Facility counts reflect locations where we have current pricing data.
Which states do Guardian Self Storage and National Storage operate in?
Guardian Self Storage operates in NSW, QLD. National Storage operates in ACT, NSW, NT, QLD, SA, TAS, VIC, WA.
Which is better for a medium storage unit — Guardian Self Storage or National Storage?
For medium units (5-10 m²), Guardian Self Storage averages $178/month and National Storage averages $135/month nationally. National Storage is the cheaper option on average for this size.
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