20% off on Long Term Storage

Terms apply.

Our storage Rooms start from £7.38 per week, with storage containers from £25.61 per week!

Wide range of storage sizes

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

CCTV

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.

Self Storage in Berkshire

Storage in North and South Reading

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.

  • Have just finished storing at Mammoth after a few years in a couple of different sized units. I will absolutely use them again when the need arises. Really secure and... read more

    Kyanna Holder
    29th April 2025

    The team are lovely and the facilities are well kept, accessible and secure - highly recommend!

    Jake Lee
    13th April 2025

    Best storage company around! Millie and the team are super helpful. Really easy to set up and, great access and really secure. 100% recommend!

    Ryan Seager
    13th April 2025
  • I’ve used this storage facility for over two years, and overall, it’s a great and affordable option. The staff has always been polite, and I’ve never had any issues with... read more

    Dmitry Simonov
    13th April 2025

    I’ve used this storage facility for over two years, and overall, it’s a great and affordable option. The staff has always been polite, and I’ve never had any issues with... read more

    Dmitry Simonov
    20th March 2025

    Had a great experience with Mammoth Self Storage. Andy and the team were super helpful. The facility itself is easy to access, secure and clean. Would 100% recommend... read more

    S Peck
    6th March 2025

Trust Mammoth Self-Storage

With so many self-storage sites available what sets Mammoth ahead of all of the rest? First it’s our competitive pricing – you’ll be sure you’re getting a great deal. We have no sneaky hidden costs, so you know how much your storage is going to cost. The other thing that sets Mammoth ahead of the rest is our staff. They’re friendly and helpful and ensure you have the right storage and that everything is kept clean and secure. If you’re looking for storage for your belongings take a look at Mammoth Self Storage in Reading and Spencers Wood!

Self Storage in Berkshire
Self Storage in Berkshire
Self Storage in Berkshire

About Mammoth

Your choice 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.

Installations

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