boilingwatertap.

Model vs model

Hanstrom 4-in-1 Square
vs Qettle Signature

The Hanstrom 4-in-1 Square lists at £499, £50 less than the Qettle Signature at £549.

Every number below comes from the manufacturers' own specification sheets. We highlight which tap leads on each spec; what matters most for your kitchen is your call.

H4

Hanstrom

Hanstrom 4-in-1 Square

Square touch-screen tap with filtered cold and boiling water

UK RRP: £499

Full review →
Qettle Signature Modern 4-in-1 boiling water tap

Qettle

Qettle Signature

Compact 4-in-1 for smaller kitchens

UK RRP: £549

Full review →

The differences at a glance

  • The Hanstrom 4-in-1 Square lists at £499, £50 less than the Qettle Signature at £549.
  • The Qettle Signature dispenses at 100°C; the Hanstrom 4-in-1 Square tops out at 98°C.
  • Declared idle draw is 11 W for the Qettle Signature against 12 W for the Hanstrom 4-in-1 Square, which compounds into the standby cost difference below.
  • Tank capacity: 2.4 L on the Hanstrom 4-in-1 Square versus 2 L on the Qettle Signature. Bigger tanks serve more cups back to back; smaller tanks take less cupboard space.

Full specification, side by side

Sourced from manufacturer datasheets. A tick marks the better number on specs where more or less is objectively better.

Hanstrom 4-in-1 Square vs Qettle Signature specifications from manufacturer datasheets
SpecHanstrom 4-in-1 SquareQettle Signature
UK RRP£499£549
Boiling temperature98°C100°C
Tank capacity2.4 L2 L
Idle power12 W11 W
Peak power1500 W1300 W
Flow rate--
Filtered waterYesYes
Sparkling waterNoNo
Chilled waterNoNo
Filter type-Q08 extruded carbon block cartridge
Finishes53
Warranty2 years2 years
Released20222023

Standby energy

What the idle draw adds up to over a year.

Hanstrom 4-in-1 Square

Idle draw
12 W
Standby energy / year
105 kWh
Standby cost / year
£28

Qettle Signature

Idle draw
11 W
Standby energy / year
96 kWh
Standby cost / year
£26

Assumes the manufacturer's declared idle wattage around the clock at £0.27/kWh (UK average, mid-2026). Real usage adds the energy to heat the water you actually draw. Run your own numbers in the running cost calculator.

Strengths and trade-offs

Hanstrom 4-in-1 Square

Qettle Signature

What we like

  • Compact 2L tank fits tighter under-sink cabinets
  • Hits 100°C boiling matching premium-brand temperatures
  • Slimmer £549 entry into the Qettle range
  • Trustpilot reviewers cite responsive UK customer service

Watch out for

  • 2L tank delivers only 3 mugs per fill in practice
  • Some users note aggressive water release on dispense
  • Handle can slip into filter mode accidentally
  • Same 2-year warranty inherits Original reliability concerns