# STORM TRADING GROUP 100 Litre Slimline Water Butt Kit with Tap

Source: https://www.ranked10.co.uk/garden/best-water-butt/storm-100l-slim
Ranked #4 in "Best Water Butt 2026: £0.24 to £0.71 a Litre": https://www.ranked10.co.uk/garden/best-water-butt

- Price: £33.50 (checked on Amazon UK on 2026-09-11)
- Amazon rating: 4.5 from 800 ratings
- Buy on Amazon: https://www.amazon.co.uk/dp/B0BLZ9GMHK?tag=ranked10-21

The STORM TRADING 100-litre slimline is the most-reviewed butt in this ranking: 800 ratings at 4.5 stars for £33.50, which is £0.335 per litre.

It takes fourth because it is the best option where space decides: 32cm deep, it fits down the side of a house, and it costs about 19 per cent more per litre than the cheapest large barrel here.

## Specification

| Field | Value |
|---|---|
| Capacity | 100 litres |
| Depth | 32 cm |
| Price per litre | £0.335 |
| Included | Tap and downpipe filler |
| Ratings | 4.5 from 800 |
| Price | £33.50 |

## Questions people ask

**Why choose slimline?**

Because 32cm of depth fits beside a wall or down a side return where a round barrel will not go.

**How much more does it cost per litre?**

£0.335 against £0.281 for the 210-litre barrel: about 19 per cent more for a third of the footprint.

**How quickly does it fill?**

About 5mm of rain on a 20-square-metre roof is 100 litres.

**What is included?**

A tap and a downpipe filler.

**Why is it fourth?**

Because space, not value, is its argument, and the larger butts are cheaper per litre.

**How many ratings does it have?**

800 at the time of collection, averaging 4.5 stars, with 69 per cent five-star and 3 per cent one-star.