Self Storage

Now in Spencers Wood!

We know there is demand for high quality self storage, our storage rooms and containers are always clean and secure. We’ve been at our premises in Richfield Avenue in Reading for several years, and there is such a high demand for our great storage that we’ve now got a new storage location in Spencers Wood! With storage rooms and containers of all sizes, whatever you have to store we will have the storage for you.

self storage rooms

All of our rooms and containers come in a variety of sizes, so you’re sure to find something that will suit your needs. Our sites are completely secure with new CCTV, lighting and a perimeter fence, and you have 24 hour access to your storage. With easy parking Mammoth Self Storage is the perfect place to store your belongings. We have helpful staff that will be pleased to help you to choose the right sized storage, and will ensure you’re happy with your storage. If you’d like to find out what we have available, and our best deals please contact us on 0118 9571211. You can also now book our storage at both Reading and Spencers Wood using our online booking system. Simply select the size and location in the sizes dropdown to see what we have available.

self storage containers

Get A Free Quote

Contact us on 0118 9571211 if you’re unsure how much or which type of storage you will need. We’re happy to help, or you can use our quote form to give you an instant quote!

Our Services

Storage Steel Rooms

These are steel self storage rooms and smaller lockers inside a building. Perfect if you only need a small storage area, or if the items that you’re storing are more delicate and need to be protected from extremes of temperature.


Container Storage

These are large storage containers, the perfect, secure low cost storage for all of your belongings.

These are great for household items, tools or business use.

Packing Boxes

We can help you with boxes, additional locks and packing materials. We sell everything you’ll need to store you items safely.

Great Secure Location with easy access

Mammoth Self Storage is the safest way to store your possesions, with state of the art online, motion detection CCTV and new lighting around our site. Our premises have high security fences and locked gates to ensure that your belongings are safe.

Our sites are in a great location, in Reading and Spencers Wood, Berkshire. Both have free parking and plenty of space to pick up and deliver your goods. You have access to your storage 24 hours a day, 7 days a week, so Mammoth self storage is always a convenient place to store your belongings.

How Much storage do you need?

Not sure how much room you’ll need to store your belongings? Take a look at our handy guide, or talk to us and we will be able to help you. Our helpful, experienced staff will be able to let you know what size storage we have available, and what’s best for you.

  • Louise has been fantastic to deal with very helpful and on the ball pleasure to deal with 🙂

    Jason Burton

    Max, Megan and his team give outstanding service in every respect and we never use any other portable toilet company for our events. I can thoroughly recommend them 100%

    Lyn Kirby Mistry

    I am withholding 5 stars so far purely on the basis that I am relatively new and do not yet know what the future will bring.. But good very competitive... read more

    Michaela Koch
  • I highly recommend Mammoth self-storage for their excellent service. Louise was incredibly helpful, the rental process was seamless, and the prices are competitive. The convenient access to my unit and... read more


    Max and his team give outstanding service in every respect and we never use any other portable toilet company for our events. I can thoroughly recommend them 100%

    Lyn Kirby Mistry

    We had the portaloos for our jubilee wedding. Max brought them in two days before set up and collected in 2 days . He always made sure that we were... read more

    Jitendra Patel

Working hours

Our Reading office is open Monday to Thursday from 9am until 4pm, Friday 9am until 1pm and Saturday 9:30am until 12:30pm. If you have rented storage from us you will have access 24 hours a day, 7 days a week.

Mammoth Self Storage,
20-22 and 24 Richfield Avenue,

0118 9571211

Mammoth Self Storage,
1 Wellington Industrial Estate,
Spencers Wood