Cardiff Self Storage Units

Cardiff 01
Boxshop 01
Room Tour
Keypad 01
Locker 01

Address

65 Penarth Road, Cardiff, CF10 5DL
View on map

Opening hours

Monday - Friday 8:30am - 5:30pm
Saturday 9am - 5:30pm
Sunday 10am - 4pm

Extended access hours

Monday - Sunday 5am - 11pm
(Subject to store discretion. Charges may apply.)

Why customers love storing at Big Yellow Cardiff

  • Staff on site seven days a week during trading hours
  • Deliveries accepted on your behalf
  • Every storage room individually alarmed with PIN code access
  • 24/7 externally monitored CCTV
  • Fire and smoke detection systems
  • Extended hours access
  • Forklifting service
  • Drive-up and external storage lockups available
  • Office space to rent
  • Free WiFi in reception and offices

25 years of experience in offering safe and secure storage

security-gates

Protective security gates and perimeter fencing

security-cctv

CCTV monitoring our stores 24/7, with staff onsite daily

security-keypad

Unique PIN code access to your individually alarmed storage unit

Our Cardiff Store

Cardiff is the only Big Yellow store in Wales, located just across the road from Cardiff Central train station.  We have been serving the local community since 2001 from our large flagship store which has a wide selection of internal storage units, drive up rooms and a large suite of flexi offices which are available on short term contracts. We are ideally placed to support both businesses and domestic storage customers from across the Cardiff area with easy access to the city and M4.

The Cardiff Team

Find your perfect storage room size

Unsure what size unit you need? Call us on 029 2072 9910 and let us help. 
You can also upsize or downsize on your move in day.

Example of filled 5 square foot room Example of filled 9 square foot room Example of filled 10 square foot room Example of filled 15 square foot room Example of filled 225 square foot room Example of filled 450 square foot room Images for illustrative purposes only

5 sq ft

storing large picture frames and mirrors

Approximate size:

Imperial
W:
5 ft
D:
1 ft
H:
8 ft
Metric
W:
1.5 m
D:
0.3 m
H:
2.4 m

9 sq ft

bedding, laptops, a suitcase, clothes and a few boxes, luggage

Approximate size:

Imperial
W:
3 ft
D:
3 ft
H:
3 ft
Metric
W:
0.9 m
D:
0.9 m
H:
0.9 m

10 sq ft

storing large picture frames and mirrors, or golf clubs

Approximate size:

Imperial
W:
2.5 ft
D:
4 ft
H:
8 ft
Metric
W:
0.75 m
D:
1.2 m
H:
2.4 m

15 sq ft

storing a bicycle, spare furniture, out of season clothing, golf clubs or skis

Approximate size:

Imperial
W:
5 ft
D:
3 ft
H:
8 ft
Metric
W:
1.5 m
D:
0.9 m
H:
2.4 m

20 sq ft

storing a single mattress or small furniture

Approximate size:

Imperial
W:
5 ft
D:
4 ft
H:
8 ft
Metric
W:
1.5 m
D:
1.2 m
H:
2.4 m

25 sq ft

storing kitchen appliances, single mattress, chairs, stools

Approximate size:

Imperial
W:
5 ft
D:
5 ft
H:
8 ft
Metric
W:
1.5 m
D:
1.5 m
H:
2.4 m

30 sq ft

a bicycle, wardrobe, book shelf, tub chair,small tables, double bed

Approximate size:

Imperial
W:
6 ft
D:
5 ft
H:
8 ft
Metric
W:
1.8 m
D:
1.5 m
H:
2.4 m

40 sq ft

contents of a small studio flat

Approximate size:

Imperial
W:
8 ft
D:
5 ft
H:
8 ft
Metric
W:
2.4 m
D:
1.5 m
H:
2.4 m

50 sq ft

contents of a standard studio flat

Approximate size:

Imperial
W:
10 ft
D:
5 ft
H:
8 ft
Metric
W:
3 m
D:
1.5 m
H:
2.4 m

75 sq ft

contents of a large 1 bedroom house or a small 2 bedroom flat / house

Approximate size:

Imperial
W:
7.5 ft
D:
10 ft
H:
8 ft
Metric
W:
2.25 m
D:
3 m
H:
2.4 m

100 sq ft

contents of a standard 2 bedroom flat / house

Approximate size:

Imperial
W:
10 ft
D:
10 ft
H:
8 ft
Metric
W:
3 m
D:
3 m
H:
2.4 m

125 sq ft

contents of a large 2 bedroom or small 3 bedroom house

Approximate size:

Imperial
W:
12.5 ft
D:
10 ft
H:
8 ft
Metric
W:
3.75 m
D:
3 m
H:
2.4 m

150 sq ft

contents of a large 3 bedroom house

Approximate size:

Imperial
W:
15 ft
D:
10 ft
H:
8 ft
Metric
W:
4.5 m
D:
3 m
H:
2.4 m

175 sq ft

contents of a small 4 bedroom, large 3 bedroom house

Approximate size:

Imperial
W:
12 ft
D:
15 ft
H:
8 ft
Metric
W:
3.6 m
D:
4.5 m
H:
2.4 m

200 sq ft

contents of a large 4 bedroom house

Approximate size:

Imperial
W:
20 ft
D:
10 ft
H:
8 ft
Metric
W:
6 m
D:
3 m
H:
2.4 m

225 sq ft

contents of a large 4 bedroom house

Approximate size:

Imperial
W:
15 ft
D:
15 ft
H:
8 ft
Metric
W:
4.5 m
D:
4.5 m
H:
2.4 m

250 sq ft

contents of a 5 bedroom house with garden furniture

Approximate size:

Imperial
W:
12.5 ft
D:
20 ft
H:
8 ft
Metric
W:
3.75 m
D:
6 m
H:
2.4 m

300 sq ft

contents of a large 5 bedroom house, garage and shed

Approximate size:

Imperial
W:
15 ft
D:
20 ft
H:
8 ft
Metric
W:
4.5 m
D:
6 m
H:
2.4 m

350 sq ft

contents of a 6 bedroom house, garage and shed

Approximate size:

Imperial
W:
17.5 ft
D:
20 ft
H:
8 ft
Metric
W:
5.25 m
D:
6 m
H:
2.4 m

400 sq ft

contents of a large 6 bedroom house, garage and shed

Approximate size:

Imperial
W:
20 ft
D:
20 ft
H:
8 ft
Metric
W:
6 m
D:
6 m
H:
2.4 m

450 sq ft

contents of a large 6 bedroom house, garage and shed

Approximate size:

Imperial
W:
22.5 ft
D:
20 ft
H:
8 ft
Metric
W:
6.75 m
D:
6 m
H:
2.4 m

500 sq ft

contents of a large 7 bedroom house, garden furniture, sports and camping equipment

Approximate size:

Imperial
W:
25 ft
D:
20 ft
H:
8 ft
Metric
W:
7.5 m
D:
6 m
H:
2.4 m

5 sq ft

Tall, shallow room

9 sq ft

3ft high locker

10 sq ft

Telephone box size

15 sq ft

Double wardrobe size

20 sq ft

Large walk in wardrobe size

25 sq ft

Small garden shed size

30 sq ft

Garden shed size

40 sq ft

Large garden shed size

50 sq ft

Transit van size

75 sq ft

Luton van size

100 sq ft

Standard single garage size

125 sq ft

Large single garage or 7 tonne lorry

150 sq ft

One and half garages or 2 luton van loads

175 sq ft

7.5 tonne lorry size

200 sq ft

Standard double garage size

225 sq ft

Standard double garage size

250 sq ft

Large double garage size

300 sq ft

3 single garages or a 40ft container

350 sq ft

3.5 single garages

400 sq ft

2 double garages

450 sq ft

2 double garages

500 sq ft

2 shipping containers

Example of filled 5 square foot room Example of filled 9 square foot room Example of filled 10 square foot room Example of filled 15 square foot room Example of filled 225 square foot room Example of filled 450 square foot room Images for illustrative purposes only

5 sq ft

storing large picture frames and mirrors

Approximate size:

Imperial
W:
5 ft
D:
1 ft
H:
8 ft
Metric
W:
1.5 m
D:
0.3 m
H:
2.4 m

9 sq ft

bedding, laptops, a suitcase, clothes and a few boxes, luggage

Approximate size:

Imperial
W:
3 ft
D:
3 ft
H:
3 ft
Metric
W:
0.9 m
D:
0.9 m
H:
0.9 m

10 sq ft

storing large picture frames and mirrors, or golf clubs

Approximate size:

Imperial
W:
2.5 ft
D:
4 ft
H:
8 ft
Metric
W:
0.75 m
D:
1.2 m
H:
2.4 m

15 sq ft

storing a bicycle, spare furniture, out of season clothing, golf clubs or skis

Approximate size:

Imperial
W:
5 ft
D:
3 ft
H:
8 ft
Metric
W:
1.5 m
D:
0.9 m
H:
2.4 m

20 sq ft

storing a single mattress or small furniture

Approximate size:

Imperial
W:
5 ft
D:
4 ft
H:
8 ft
Metric
W:
1.5 m
D:
1.2 m
H:
2.4 m

25 sq ft

storing kitchen appliances, single mattress, chairs, stools

Approximate size:

Imperial
W:
5 ft
D:
5 ft
H:
8 ft
Metric
W:
1.5 m
D:
1.5 m
H:
2.4 m

30 sq ft

a bicycle, wardrobe, book shelf, tub chair,small tables, double bed

Approximate size:

Imperial
W:
6 ft
D:
5 ft
H:
8 ft
Metric
W:
1.8 m
D:
1.5 m
H:
2.4 m

40 sq ft

contents of a small studio flat

Approximate size:

Imperial
W:
8 ft
D:
5 ft
H:
8 ft
Metric
W:
2.4 m
D:
1.5 m
H:
2.4 m

50 sq ft

contents of a standard studio flat

Approximate size:

Imperial
W:
10 ft
D:
5 ft
H:
8 ft
Metric
W:
3 m
D:
1.5 m
H:
2.4 m

75 sq ft

contents of a large 1 bedroom house or a small 2 bedroom flat / house

Approximate size:

Imperial
W:
7.5 ft
D:
10 ft
H:
8 ft
Metric
W:
2.25 m
D:
3 m
H:
2.4 m

100 sq ft

contents of a standard 2 bedroom flat / house

Approximate size:

Imperial
W:
10 ft
D:
10 ft
H:
8 ft
Metric
W:
3 m
D:
3 m
H:
2.4 m

125 sq ft

contents of a large 2 bedroom or small 3 bedroom house

Approximate size:

Imperial
W:
12.5 ft
D:
10 ft
H:
8 ft
Metric
W:
3.75 m
D:
3 m
H:
2.4 m

150 sq ft

contents of a large 3 bedroom house

Approximate size:

Imperial
W:
15 ft
D:
10 ft
H:
8 ft
Metric
W:
4.5 m
D:
3 m
H:
2.4 m

175 sq ft

contents of a small 4 bedroom, large 3 bedroom house

Approximate size:

Imperial
W:
12 ft
D:
15 ft
H:
8 ft
Metric
W:
3.6 m
D:
4.5 m
H:
2.4 m

200 sq ft

contents of a large 4 bedroom house

Approximate size:

Imperial
W:
20 ft
D:
10 ft
H:
8 ft
Metric
W:
6 m
D:
3 m
H:
2.4 m

225 sq ft

contents of a large 4 bedroom house

Approximate size:

Imperial
W:
15 ft
D:
15 ft
H:
8 ft
Metric
W:
4.5 m
D:
4.5 m
H:
2.4 m

250 sq ft

contents of a 5 bedroom house with garden furniture

Approximate size:

Imperial
W:
12.5 ft
D:
20 ft
H:
8 ft
Metric
W:
3.75 m
D:
6 m
H:
2.4 m

300 sq ft

contents of a large 5 bedroom house, garage and shed

Approximate size:

Imperial
W:
15 ft
D:
20 ft
H:
8 ft
Metric
W:
4.5 m
D:
6 m
H:
2.4 m

350 sq ft

contents of a 6 bedroom house, garage and shed

Approximate size:

Imperial
W:
17.5 ft
D:
20 ft
H:
8 ft
Metric
W:
5.25 m
D:
6 m
H:
2.4 m

400 sq ft

contents of a large 6 bedroom house, garage and shed

Approximate size:

Imperial
W:
20 ft
D:
20 ft
H:
8 ft
Metric
W:
6 m
D:
6 m
H:
2.4 m

450 sq ft

contents of a large 6 bedroom house, garage and shed

Approximate size:

Imperial
W:
22.5 ft
D:
20 ft
H:
8 ft
Metric
W:
6.75 m
D:
6 m
H:
2.4 m

500 sq ft

contents of a large 7 bedroom house, garden furniture, sports and camping equipment

Approximate size:

Imperial
W:
25 ft
D:
20 ft
H:
8 ft
Metric
W:
7.5 m
D:
6 m
H:
2.4 m

5 sq ft

Tall, shallow room

9 sq ft

10 sq ft

Telephone box size

15 sq ft

Double wardrobe size

20 sq ft

Large walk in wardrobe size

25 sq ft

Small garden shed size

30 sq ft

Garden shed size

40 sq ft

Large garden shed size

50 sq ft

Transit van size

75 sq ft

Luton van size

100 sq ft

Standard single garage size

125 sq ft

Large single garage or a 7 tonne lorry

150 sq ft

2 luton van loads or a 20ft container

175 sq ft

7.5 tonne lorry

200 sq ft

Standard double garage

225 sq ft

Standard double garage

250 sq ft

30ft articulated lorry

300 sq ft

40ft container or articulated lorry

350 sq ft

3.5 single garages

400 sq ft

2 double garages

450 sq ft

2 double garages

500 sq ft

2 shipping containers

Example of filled 225 square foot room Example of filled 275 square foot room Images for illustrative purposes only

50 sq ft

Approximate size:

Imperial
W:
10 ft
D:
5 ft
H:
8 ft
Metric
W:
3 m
D:
1.5 m
H:
2.4 m

75 sq ft

Approximate size:

Imperial
W:
7.5 ft
D:
10 ft
H:
8 ft
Metric
W:
2.25 m
D:
3 m
H:
2.4 m

225 sq ft

Approximate size:

Imperial
W:
15 ft
D:
15 ft
H:
8 ft
Metric
W:
4.5 m
D:
4.5 m
H:
2.4 m

250 sq ft

Approximate size:

Imperial
W:
12.5 ft
D:
20 ft
H:
8 ft
Metric
W:
3.75 m
D:
6 m
H:
2.4 m

275 sq ft

Approximate size:

Imperial
W:
18.5 ft
D:
15 ft
H:
8 ft
Metric
W:
5.55 m
D:
4.5 m
H:
2.4 m

300 sq ft

Approximate size:

Imperial
W:
15 ft
D:
20 ft
H:
8 ft
Metric
W:
4.5 m
D:
6 m
H:
2.4 m

50 sq ft

Transit van size

75 sq ft

Luton van size

225 sq ft

Standard double garage

250 sq ft

30ft articulated lorry

275 sq ft

30ft articulated lorry

300 sq ft

40ft container or articulated lorry

Offers & discounts

Looking for a great deal on storage at Cardiff?

At Big Yellow Cardiff, we believe in giving our customers great value. That's why you'll find a variety of discounts and offers, including a special introductory deal for new customers, student storage, long-term prepayment discounts, and exclusive savings for key workers. 

Terms & conditions apply
  • Cardiff storage from £5.10 per week for a 5 ft² room (includes discount)
  • 50% off for up to 8 weeks
  • Price match promise
  • Key worker discounts
  • Prepayment discounts for long term storage

Store Location

Address

65 Penarth Road, Cardiff, CF10 5DL

what3words: ///rich.navy.stack

What our customers are saying

100% genuine reviews from our  Cardiff  customers

Marina Walker
Apr 20, 2026
Amazing team at Big Yellow Self Storage in Cardiff, helpful, friendly staff, nothing is ever too much trouble. The unit has been invaluable for our humanitarian mission, storing invaluable medicine and medical aids ready to be sent to war torn Ukraine. We can't thank you enough for your continued support, its truly appreciated. Cardiff For Ukraine volunteers.
brandon bayliss
Apr 17, 2026
Amazing Service by the team at Big Yellow Self Storage Cardiff
Alexandra Morris
Apr 11, 2026
I wasn't able to move my stuff out on my moving out day so I rang and the gentleman I spoke to was very friendly and said the next day was fine. All staff I have delt with have been friendly and approachable.

Frequently asked questions

Our reception opening hours are:

Monday - Friday 8:30am and 5:30pm
Saturday 9am and 5:30pm
Sunday 10am and 4pm

During these hours you can come and go to your storage room as many times as you need.  If you need access beyond these hours come and have a chat with us and we'll see what we can arrange.  We may be able to organise extended hours access for an additional fee.  However this is subject to store discretion.

Our extended access  hours are:

Monday - Sunday 5am and 11pm

 

Yes, all customers must insure their goods while in storage — it’s a condition of our storage license. You can choose our Enhanced Liability Service or provide your own insurance, as long as it covers items in self storage. If using your own provider, the policy must include our store’s name and address, and we’ll need a copy for our records during your stay.

Our storage rooms only require 14 day notice to move out, and our offices require 28 days notice please.  Notice must be either via email or through your online account.

Any days paid for but unused are then refunded back to you when you move out. 

Yes, we do.  We offer 6 different sized offices 150 sq ft, 175 sq ft, 200 sq ft, 225 sq ft, 250 sq ft and 275 sq ft.  These are unfurnished private offices with your own PIN code access.  Please contact our store team for more information if you're interested or come and visit us and have a look around.

The Bessemer Close recycling centre is only 1.5 miles at CF11 8XH.  You'll need to register and book via their website before getting there.

Box shop

Pack smarter, move easier.

Everything you need for moving day or self storage: sturdy boxes, bubble wrap, packing tape, dust sheets, mattress bags and more. Whatever needs to be moved, stored or protected, you'll find it all in our Box Shop.

slough-bath-road-boxes