Statement Water Features: Inside the Corten Steel Floating Cube

A statement water feature earns its place when it does three jobs at once: focal point, sound source and light reflector. The Corten steel floating cube is the category's showpiece — a cube of weathering steel that appears to hover on a sheet of moving water, with the reservoir and pump concealed below ground. Here's how it works and how to decide if a statement piece is right for you.

How the illusion works

The Floating Cube sits on a hidden plinth within a below-ground reservoir. Water pumps up through the cube and sheets evenly down every face, so the supporting structure disappears behind a continuous film of moving water — the cube reads as floating. At night, a single well-placed light turns each water face into a moving mirror.

Why statement features are worth it (in the right garden)

One serious piece outperforms several minor ones — the principle behind our focal point guide. A statement water feature carries a whole view year-round, needs no seasonal replanting, and delivers constant sound — which also usefully masks road and neighbour noise in urban gardens.

Is your garden ready for one?

• Sightline: it should terminate a main view from the house or terrace — don't tuck a statement piece around a corner.
• Services: a discreet outdoor power supply for the pump; a nearby water source makes top-ups easier.
• Groundwork: the below-ground reservoir needs excavation and a level base — factor installation into the project (see the delivery and installation guide).
• Scale: statement pieces suit medium and larger gardens best; in courtyards, a water table or bowl delivers the same three jobs at appropriate scale.

Running and care

Sheet-flow features recirculate the same water; running costs are the pump's modest electricity. Keep the reservoir topped up (sheeting water evaporates faster than still), clear the pump filter seasonally, and follow the winter routine in our winter prep guide. Water clarity basics are covered in the clear water guide.

Frequently asked questions

Is the floating cube noisy?

Sheet flow produces a soft, even wash rather than splashing — the most liveable water sound for gardens where you sit close by.

Can it run in winter?

Many owners run it year-round except in hard freezes; frost on the weathered cube with the pump paused is its own spectacle.

Is it safe with children?

The below-ground reservoir is grated beneath the surface layer, leaving no open water depth — one reason sheet-flow features suit family gardens better than ponds.

What's the alternative at a lower budget?

The water feature collection scales from £130 bowls to the full statement pieces — same material, same British fabrication.

Make the statement

See the Corten Steel Floating Cube Water Feature, hand-made in Britain.