Best roof boxes

Shortlist and buying guide · the ranked board is on its way

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What to look for

Check your roof's load limit and that the box opens from both sides.

Models worth comparing

From manufacturers' specifications and published UK reviews, read on 6 October 2026. Not tested by us. In no particular order: these are not ranked, and we do not say which is best until the customer ratings are in.

Budget

Halfords 420L Roof Box - Grey

Families who need extra space for a few holidays a year and want a simple box they can buy and have fitted on the high street.

420 litres of space with a 50 kg load limit
Spring lid that stays open while you load
UV-protected ABS shell and a 3-year guarantee

Watch out for: It opens from one side only, so you may have to load it from the road side when parked at the kerb.

Capacity: 420 litres
Max load: 50 kg
Opening: One side
Guarantee: 3 years

Sold by Halfords, not on Amazon.

Sources: Halfords product page · Auto Express roof box test

Mid-range

Hapro Traxer 5.6

Most families wanting a well-equipped, dual-opening box with central locking without paying premium-brand money.

Opens from both sides and has central locking
75 kg load limit and room for around six pairs of skis
Premium-Fit quick mounting system and a 5-year warranty; Auto Express Best Buy in 2026

Watch out for: At 370 litres it is a mid-sized box, so larger families may need one of the bigger Traxer versions.

Capacity: 370 litres
Max load: 75 kg
Opening: Both sides
Guarantee: 5 years
External size: 177 x 77 x 42 cm

Check price on Amazon

Sources: Hapro product page · Auto Express roof box test

Premium

Halfords Advanced 580L Roof Box - Black

Larger families and campers who want maximum space with easy loading from either side of the car.

Very large 580-litre capacity with a 75 kg load limit
Dual-side opening and a spring lid that stays open
Pre-installed Power Grip mounts with internal quick clamps; 3-year guarantee

Watch out for: At 205.7 cm long and 50 cm tall it is a big box, so check garage, car park and tailgate clearance before buying.

Capacity: 580 litres
Max load: 75 kg
Opening: Both sides
Guarantee: 3 years
External size: 205.7 x 80.2 x 50 cm

Sold by Halfords, not on Amazon.

Sources: Halfords product page · Auto Express roof box test

Pro

Thule Motion 3 L

Frequent travellers and skiers who want a premium, aerodynamic box with secure locking and quick fitting.

SlideLock system locks the lid automatically and shows when it is shut properly
PowerClick mounts with a torque indicator that clicks when tight
Opens from both sides; takes skis up to 180 cm and 5–7 pairs

Watch out for: It costs well over most similar-sized rivals, and Auto Express marked it down on value.

Capacity: 440 litres
Max load: 75 kg
Opening: Both sides
External size: 194 x 87 x 42 cm
Weight: 20 kg

Check price on Amazon

Sources: Thule UK product page · Auto Express roof box test

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