Model vs model
Qettle Signature
vs Qettle Signature Modern 4-in-1 (Round Spout, 7L)
The Qettle Signature lists at £795, £150 less than the Qettle Signature Modern 4-in-1 (Round Spout, 7L) at £945.
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.
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Qettle
Qettle Signature Modern 4-in-1 (Round Spout, 7L)
Higher-capacity 7L boiler for larger households
Typical price: £945
Full review →The differences at a glance
- The Qettle Signature lists at £795, £150 less than the Qettle Signature Modern 4-in-1 (Round Spout, 7L) at £945.
- Declared idle draw is 11 W for the Qettle Signature against 18 W for the Qettle Signature Modern 4-in-1 (Round Spout, 7L), which compounds into the standby cost difference below.
- Tank capacity: 7 L on the Qettle Signature Modern 4-in-1 (Round Spout, 7L) versus 2 L on the Qettle Signature. Bigger tanks serve more cups back to back; smaller tanks take less cupboard space.
The two taps in a kitchen
Full specification, side by side
Sourced from manufacturer datasheets. A tick marks the better number on specs where more or less is objectively better.
| Spec | Qettle Signature | Qettle Signature Modern 4-in-1 (Round Spout, 7L) |
|---|---|---|
| Typical price | £795✓ | £945 |
| Boiling temperature | 100°C | 100°C |
| Tank capacity | 2 L | 7 L |
| Idle power | 11 W✓ | 18 W |
| Peak power | 1300 W | 1700 W |
| Flow rate | - | - |
| Filtered water | Yes | Yes |
| Sparkling water | No | No |
| Chilled water | No | No |
| Filter type | Q08 extruded carbon block cartridge | Q08 extruded carbon block cartridge |
| Finishes | 3 | 5✓ |
| Warranty | 2 years | 2 years |
| Released | 2023 | 2022 |
Standby energy
What the idle draw adds up to over a year.
Qettle Signature
- Idle draw
- 11 W
- Standby energy / year
- 96 kWh
- Standby cost / year
- £26
Qettle Signature Modern 4-in-1 (Round Spout, 7L)
- Idle draw
- 18 W
- Standby energy / year
- 158 kWh
- Standby cost / year
- £43
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
Qettle Signature
What we like
- Compact 2L tank fits tighter under-sink cabinets
- Hits 100°C boiling matching premium-brand temperatures
- £795 entry into Qettle's marine-grade Signature line
- Trustpilot reviewers cite responsive UK customer service
Watch out for
- 2L tank delivers only 4 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
Qettle Signature Modern 4-in-1 (Round Spout, 7L)
What we like
- 7-litre tank serves up to 14 cups in one go, sized for larger households
- Four separate waterways and no electronic components in the tap
- Two-stage child safety: button and turn before boiling water flows
- Marine-grade stainless steel tap, engineered in the UK
Watch out for
- 20-minute initial heat-up and 15-minute recovery after a full tank
- Two-year warranty
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