Complete Storage Solutions

Wide range of storage sizes

From lockers to 320 sq ft storage containers and everything in between!


Our sites are completely secure with new CCTV and lighting. We take the security of our site very seriously.

Perimeter Fence

Both of our sites have a secure perimeter fence with a locked gate, to ensure your security.

Helpful Staff

If you’re not sure what you need talk to us, we’ll help you!

Easy Parking

We have space for you to park to load and unload your storage.

Two Locations

We have a premises at Richfield Avenue in Reading and at Wellington Industrial Estate, Spencers Wood.

Storage at Reading and Spencers Wood

 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.

  • 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

About Mammoth

Your choce of storage – We have storage rooms and storage containers.

Storage rooms are perfect if you only need a small amount of storage, or if the items you’re storing need to be protected against extremes of temperatures. Container storage is a great low-cost solution if you’re looking for a large, secure storage area.



Frequently Asked Questions

Do I need to bring a lock?

We provide a padlock, but if you want to provide your own for extra security you can.

How do I pay?

Payment is always taken by credit or debit card we require 1 month deposit and 1 month upfront rental. Units are then billed monthly from moving in date. In accordance with the Self-Storage Association we do not except cash payments.

What can't I store?

  • Food or perishable goods unless securely packed so they are protected from and do not attract vermin
  • Any living creatures
  • Combustible or flammable substances such as gas, paint, petrol, oil, cleaning solvents or compressed gases
  • Vehicles as they also contain flammable substances
  • Firearms, explosives, weapons or ammunition
  • Chemicals, radioactive materials, biological agents, toxic waste, asbestos or other potentially hazardous substances
  • Any items that emits fumes or odours
  • Any illegal item or substances or goods illegally obtained such as illicit (counterfeit/smuggled) tobacco or alcohol and unlicensed or unsafe goods
  • Goods which are environmentally harmful or that are a risk to the property of any person
  • Currency, deeds and securities
  • Items which are irreplaceable by their unique nature or of significant value to the storer due to personal sentimental reasons