Classic Slim 250L Water Butt – Award-Winning Space-Saving Rainwater Storage
The Classic Slim 250L Water Butt is an innovative, award-winning rainwater tank designed to deliver maximum water storage in a sleek, space-saving format. Winner of the 2025 GLEE New Product of the Year Award, this ultra slim water butt combines practicality, durability and discreet modern styling.
Manufactured in the UK from durable MDPE, it’s ideal for gardens, patios, side returns and outdoor spaces where traditional bulky water butts simply won’t fit.
Ultra Slim Design – Maximum Capacity, Minimal Space
With its slimline profile, this rainwater tank can be:
- Positioned directly on the ground
- Raised on a plinth or stand
- Wall mounted for added flexibility
The discreet design sits neatly against walls and fences, making it ideal for:
- Narrow side passages
- Small gardens and patios
- Modern outdoor spaces
- Rainwater harvesting systems
Flexible Rainwater Harvesting System
Designed for versatility, multiple tanks can be linked together to increase storage capacity and create a larger rainwater collection system.
The tank can also form part of an above-ground pumped rainwater harvesting setup, using one of the lower outlets for pump connection.
Multiple Draw-Off Points for Easy Access
This smart design incorporates several outlet positions for maximum flexibility:
High-Level Draw-Off Points
- 3 x 3/4″ BSP outlets (approx. 300mm from base)
- Ideal for brass tap installation and watering cans
Lower-Level Draw-Off Points
- 2 x 3/4″ BSP outlets (approx. 150mm from base)
- Suitable for pumps or irrigation systems
Base Sump Outlet
- Allows easy cleaning and maintenance
The outlet points are supplied undrilled, allowing you to customise the setup to suit your installation requirements.
Durable UK-Made Construction
Manufactured from high-quality MDPE, this water butt is:
- Frost resistant
- UV stable and weather resistant
- Durable and low maintenance
- Built for long-term outdoor use
The tank also includes two 4″ access caps for fitting diverters, overflows and accessories.
Key Features
✔ Award-winning 250L slim water butt
✔ Ultra slim space-saving design
✔ Can be floor-standing or wall mounted
✔ Multiple outlet positions for flexible installation
✔ Expandable rainwater harvesting system
✔ Suitable for pumps and irrigation systems
✔ Durable UV-stable MDPE construction
✔ Manufactured in the UK
Product Specifications
- Height: 1195mm
- Width: 995mm
- Depth: 250mm
- Capacity: 250 Litres
- Weight: 22kg
- Weight When Full: 272kg
- Material: MDPE
Included Accessories
- 5 x 3/4” BSP tank outlet fittings (undrilled)
- 1 x 3/4″ brass tap
- 2 x 3/4″ plugs
- 2 x washers
Wall fixings are not supplied and should be selected to suit the installation surface.
Installation Notes
- Draw-off points must be drilled using a 10mm drill bit
- Allow approximately 25mm clearance behind the tank for expansion
- Can be secured to a wall or stable fence
Why Choose the Classic Slim 250L Water Butt?
✔ Award-winning rainwater tank design
✔ Large 250L capacity in a slim profile
✔ Ideal for compact outdoor spaces
✔ Multiple outlet options for flexibility
✔ Expandable for larger rainwater systems
✔ Strong, weather-resistant UK-made construction
✔ Perfect for sustainable gardening and water saving
If you’re searching for a slimline water butt in the UK, the Classic Slim 250L Rainwater Tank offers the perfect combination of high capacity, flexible installation and modern space-saving design.












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