Five kettles that show the main choices, from a variable-temperature steel model to a glass jug and a compact travel kettle, researched from manufacturer pages, with plain explanations of what the numbers mean.
A kettle looks like the simplest appliance in the kitchen, so it is surprising how much the details differ. How much water does it need to switch off properly? Can it stop below boiling? Does the number in watts say anything about speed, or about your bill? And is the plug on the end the right one? Those questions matter more day to day than the colour.
This guide takes five kettles as worked examples: a variable-temperature steel kettle, a repairable polished steel kettle, a glass jug, a 0.85 L travel kettle and a stainless kettle rated at 2400 W. They were chosen because the manufacturers’ own pages are clear and each one matches an exact Amazon.co.uk listing, not because they are the best of their kind. They are not a ranking. Our Electric Kettles listing covers ten models, with a short card for each.
Shopicks has not tested any of them. Everything here comes from manufacturer pages and manuals read on 19 October 2026, plus UK safety, energy and consumer advice, and the guide says where a figure is missing or contested rather than guessing.
Variable temperature
Bosch
A 1.7 L brushed steel kettle that offers seven temperature levels below boiling and prints its minimum fill, which makes it a clear example of both temperature control and the capacity versus minimum-fill question.
Research-based assessment
Our assessment is based on product specifications, manufacturer information, market research and comparison with competing products. We have not physically tested this product.
People who brew tea or coffee at set temperatures and want to see the minimum fill before they buy.
Bosch UK’s page prints the usable volume, the minimum fill, the number and range of temperature levels, the cord length and the size in one specification, and the Amazon.co.uk listing carries the TWK7203GB model number. It represents the variable-temperature choice. Amazon’s own weight and size rows disagree with Bosch, so we use only Bosch’s. We have not tested how accurately it holds any temperature.
Repairable element
Dualit
A 1.7 L polished stainless steel kettle that Dualit says has a replaceable heating element, which is a different way to think about a kettle’s lifespan than a feature list suggests.
Research-based assessment
Our assessment is based on product specifications, manufacturer information, market research and comparison with competing products. We have not physically tested this product.
People who would rather repair a kettle than replace it and who want to see how much they are filling in either unit.
Dualit’s page is specific about the element, the filter, the measuring windows, the size and the guarantee, and the Amazon.co.uk listing carries the 72815 code. It represents a kettle bought for repairability. Amazon’s weight row says 1 kg against Dualit’s 1.61 kg, so we use Dualit’s, and we do not repeat Dualit’s quiet-boiling or boil-time claims as findings. We have not tested its noise or speed.
Glass jug
Morphy Richards
A 1.7 L glass kettle with a chrome lid. It is a useful example because the maker’s page is short, lists what it does state clearly and contradicts itself on one detail, which shows why a card should say what it could not confirm.
Research-based assessment
Our assessment is based on product specifications, manufacturer information, market research and comparison with competing products. We have not physically tested this product.
People who like to see the water and want a light kettle, and who are content to read the manual for the missing details.
Morphy Richards UK’s page for SKU 108004 gives the capacity, wattage, size and weight, and the Amazon.co.uk listing carries the 108004 code. It represents the glass choice. The instruction manual it links is an image-only PDF we could not read, so nothing is taken from it. We have not tested how the glass behaves in use.
Compact travel size
Russell Hobbs
A 0.85 L kettle with two cups and spoons. At roughly half the capacity of most of the others it shows what a compact model gives up and what it offers, and it is a warning about checking the plug.
Research-based assessment
Our assessment is based on product specifications, manufacturer information, market research and comparison with competing products. We have not physically tested this product.
Occasional use in a small space where a full-size kettle is more than you need, once the plug has been checked.
Russell Hobbs UK’s page lists the model number, capacity, wattage, height and what is included, and the Amazon.co.uk listing carries the 23840 code. It represents the compact choice. Russell Hobbs’s UK site refuses automated access, so we read an archived copy from 19 January 2026. We have not tested it, and we state no boil time.
Stainless, 2400 W
Sage
A brushed stainless steel 1.7 L kettle with a soft-opening lid, rated 2400 W. Set beside the 3000 W models it is a plain example of why a rating is not a boil time.
Research-based assessment
Our assessment is based on product specifications, manufacturer information, market research and comparison with competing products. We have not physically tested this product.
People who want a brushed stainless steel look with a soft-opening lid and are not choosing on rating alone.
Sage’s UK page lists the capacity, power, voltage, material, size and guarantee, and the Amazon.co.uk listing carries the BKE735BSSUK model number. It represents the stainless 2400 W choice. Amazon’s rows list the capacity both as 1.7 litres and 1 L, so we use Sage’s figure. Sage lists the kettle in many finishes under different codes, so the model code matters. We have not tested it.
| Bosch TWK7203GB | Dualit Classic 72815 | Morphy Richards 108004 | Russell Hobbs 23840 | Sage BKE735BSSUK | |
|---|---|---|---|---|---|
| Type | Variable temperature | Boil-only, repairable element | Boil-only glass | Compact travel | Boil-only, soft top lid |
| Capacity (maximum) | 1.7 l | 1.7 L | 1.7L | 0.85 Litres | 1.7L |
| Minimum fill | 300 ml | Not printed | Not printed | Not printed | Not printed |
| Rated power | 3000 W | 3 kW | 3kw | 1000 W | 2400 Watts |
| Temperature control | Seven levels, 70 °C to boiling, KeepWarm | None listed | None listed | None listed | On and Off only |
| Body | Stainless steel, double-walled | Stainless steel | Glass with chrome lid | Not printed | Brushed stainless steel |
| Limescale filter | Scale filter | Removable, washable | None listed | Not printed | None listed |
| Size (as printed) | 258x238x158 mm | 15.4 x 23.5 x 28.08 cm (W x D x H) | H26.6 x W17.8 x D21.2 cm | 186 mm high | 17.4 x 24.3 x 23.4 cm (W x D x H) |
| Weight | 1.5 kg net | 1.61 kg | 0.7kg | Not printed | Not printed |
| May suit | Brewing at set temperatures | Wanting a repairable kettle | Seeing the water boil | One or two drinks, small space | A stainless look, soft-opening lid |
Most kettles on sale hold about 1.7 litres, which Which? puts at around seven cups, and four of the five examples here do. That suits a family or a house with guests. If you usually make one or two drinks, the number that matters is how little water the kettle can heat, not how much it can hold, and that is the next section’s subject.
A smaller kettle is a real option for a one-person home, an office corner or a second room. The 0.85 L Russell Hobbs travel kettle is the compact example here, and its trade-offs are a lower rating and less information. Anyone who regularly fills a teapot for several people will find a half-size kettle means a second boil.
Capacity is the most water a kettle holds. Minimum fill is the least it needs, and the element must be covered before it can switch off safely. They are separate figures, and a big kettle is not automatically a bad choice for one cup if its minimum is low. Which? looks for a minimum of 300 ml or less and notes that boiling a litre of water often uses more than twice the energy of boiling 500 ml.
In this guide only Bosch prints a minimum fill for the TWK7203GB, 300 ml. Breville’s manual for the VKT159, which is in our listing, says about 250 ml, or one teacup. The Dualit, Morphy Richards, Russell Hobbs and Sage pages print none, which does not mean there is none. Look at the markings on the kettle and read the manual for the exact model before relying on a single-cup boil.
The Energy Saving Trust gives the same plain advice for any kettle: only boil the amount of water you need. We do not put a figure on the saving, because it depends on how many cups you make and what you pay for electricity.
A standard kettle heats to the boil and stops. A variable-temperature kettle lets you pick a lower target, which suits green tea, white tea and some coffee brewing, and often adds a keep-warm mode. Ideal Home’s kitchen appliances editor calls the feature far from essential, though worthwhile if you are prepared to pay extra for it and brew speciality tea or coffee at set temperatures.
The settings are presets, not a dial. Bosch lists seven levels from 70 °C to boiling, and the manual for the Breville VKT159 suggests 80 °C for green tea, 85 °C for white tea, 90 °C for oolong and 90 to 100 °C for black tea. None of the sources we read measure how accurately any kettle reaches or holds a target, so treat the number on the display as the setting and not as a verified water temperature.
Some details are easy to miss. Breville’s manual says the kettle keeps watching the water after it reaches temperature and goes to standby once the water falls below 80 °C, and that you can choose a lower temperature while it is cooling and be told when the water gets there. That is behaviour of one model, and another may not do it. If you only ever make ordinary tea or instant coffee, a boil-only kettle does the job.
The wattage is how fast a kettle can draw power. Which? says kettle power runs from about 2.2 kW to 3 kW and that most are now 3 kW. In this guide the ratings are 3000 W (Bosch), 3 kW (Dualit), 3kw (Morphy Richards), 2400 W (Sage) and 1000 W (Russell Hobbs travel). A higher rating can mean faster boiling, but Which? has found that kettles with similar power levels do not always boil at the same speed.
Boiling speed and total energy use are different measurements. A kettle that boils quickly is not automatically cheaper to run, and a lower rating does not prove a lower bill. Nor does an extra feature such as temperature control reduce electricity use unless it stops you heating water you would not otherwise have heated. For that reason this guide gives no boil times, energy savings or running costs for any kettle. Where a maker states a boil time, we treat it as the maker’s own claim.
Which? also looks at how quickly a kettle switches off after boiling, saying that a model which overboils for less than five seconds is more efficient. Makers do not usually print that figure, so it is a reason to read independent test results, not to trust a spec sheet.
Stainless steel is the most common premium choice. The Bosch, Dualit and Sage kettles here are steel, and the Bosch adds a double wall that its maker says reduces the surface temperature. Glass shows the water and the boil, which the Morphy Richards 108004 offers. Plastic is the third option, and the Kenwood and Russell Hobbs Inspire kettles in our listing are plastic.
Weight does not follow the material as neatly as you might expect. Which? says plastic kettles tend to be lighter than steel or glass and suggests looking for under 1 kg, but the glass Morphy Richards lists 0.7kg while the Bosch lists 1.5 kg and the Dualit 1.61 kg. Check the stated weight and the size, especially if you lift it with one hand.
No material makes the outside safe to touch. Electrical Safety First says not to touch the outside of a kettle because it can get extremely hot. Bosch’s reduced-surface-temperature claim is one manufacturer’s statement about one design.
Think about how you fill it and where the steam goes. A soft-opening lid, such as Sage’s, is described as staggering the steam, and Bosch fits a button to open the lid with one hand. A removable lid is easier to fill and clean but is one more thing to put down. Which? notes that jug kettles usually have a larger, easier-to-read water gauge than dome kettles.
Pouring is hard to judge from a specification. Several makers describe a perfect-pour or non-drip spout, including Russell Hobbs and Dualit, but those are descriptions and not tests. If you are choosing between two kettles, look at the handle position, the weight when full and whether the base lets you place the kettle either way round: a 360° base is listed for the Dualit, Morphy Richards and Sage.
In a hard-water area limescale builds up on the element and the filter. Which? advises checking that the filter can be removed for cleaning and that it fits snugly in the spout, so scale cannot slip through the gap. The Dualit lists a removable, washable filter, and Breville’s manual says its filter can go through the dishwasher and that the kettle must never be used without it fitted.
Use a descaler made for kettles. Electrical Safety First says not to use any cleaner inside a kettle other than one designed for descaling kettles, and to wipe the outside only when it is unplugged. Bosch and Dualit both list a concealed element, and Bosch describes its concealed element as giving less limescale build-up. We cannot say how well any filter or element performs in your water.
Electrical Safety First says electric kettles must be fitted with a UK 3-pin plug and fuse, and advises buying from a reputable retailer, not a third-party seller of unknown origin. An Amazon.co.uk listing does not guarantee a UK plug for every item sold under it. Of the pages we read for this guide, none states a plug type for the five examples, so check the plug as soon as the kettle arrives and contact the seller if it is not a UK 3-pin plug.
Look at the plug, socket and cable regularly for burn or scorch marks, keep the kettle away from the sink, and follow the manufacturer’s instructions. Electrical Safety First says a kettle should have automatic shut-off or boil-dry protection, and Bosch lists both as part of its triple safety feature. Breville’s manual says never to fill above the MAX marking, because boiling water may be ejected. Register the kettle with the manufacturer so you can be contacted about any recall. Shopicks has not checked these models against recall notices, so check for recalls before you buy the one you choose.
The first mistake is buying on capacity alone. The second is reading a wattage as a speed or a running cost. The third is paying for temperature control you will not use: a variable-temperature kettle is an extra, and the range may not even cover the drink you want, since the Bosch starts at 70 °C.
A fourth is trusting a name or a colour to mean one product. Sage sells the Soft Top Luxe in many finishes under different codes, the same Bosch name appears on a plastic 2200 W listing that is not the TWK7203GB, and Morphy Richards’ site and Amazon.co.uk use different names for the same Signature kettle. Match the model number, not just the brand and the look.
The last is treating a marketing description as a test result. Quiet boiling, fast boiling and perfect pouring are claims, and none of the sources we read gives a measured figure for them.
Our assessment is based on product specifications, manufacturer information, market research and comparison with competing products. The products on this page have not been physically tested by Shopicks.
No. Which? says the bigger a kettle’s maximum, the better, so you do not have to boil a second time for guests, but it also looks for a minimum fill of 300 ml or less. A large kettle suits you only if you can fill it for the number of cups you want.
You cannot tell from the rating. Watts show how fast a kettle can draw power, not how much energy a boil uses, and Which? says kettles with similar power do not always boil at the same speed. This guide makes no running-cost comparison.
The sources we read do not say. Bosch lists seven levels from 70 °C to boiling and Breville suggests temperatures for different drinks, but neither gives an accuracy figure, so treat the setting as a target and not as a measured result.
Do not assume so. Electrical Safety First says not to touch the outside of a kettle because it can get extremely hot. Bosch claims only a reduced surface temperature for its double-walled steel kettle, and Morphy Richards makes no claim about the surface of its glass model.
Follow the manual. A filter catches flakes but does not stop scale forming. Breville’s manual says to descale regularly and to clean the filter, and Electrical Safety First says to use only a cleaner designed for descaling kettles.
No. This guide is based on manufacturer pages and says so on every pick. Shopicks does not describe results it has not seen.
UK 3-pin plug and fuse, buying from reputable retailers, automatic shut-off and boil-dry protection, hot outer surfaces, cleaning with descaler, registration, recalls and RCD protection.
Minimum fill of 300 ml or less, about 1.7 L and seven cups, power from about 2.2 kW to 3 kW, similar power not always boiling at the same speed, overboiling, plastic weight, jug versus dome kettles and filter fit. Test results are behind a paywall and are not used.
Read through an Internet Archive copy captured on 4 January 2026 because the live page blocked automated access. We cite only its advice to boil the amount of water you need, not its cost figure.
An editor’s view of what temperature control is for and why it is far from essential.
Usable volume, connection rating, temperature levels, KeepWarm, minimum fill, double-walled housing, cord length, size and weight.
Capacity, element rating and the repairable element, measuring windows, filter, size, weight and guarantee. Quiet-boiling and boil-time statements are marketing claims.
Capacity, wattage, size, weight, safety features and the page’s conflicting description of the indicator light.
Read from an Internet Archive copy captured on 19 January 2026, because Russell Hobbs UK refuses automated access. Model number, capacity, wattage, height and what is included.
Capacity, power, voltage, material, size, guarantee and lid description.
Read through a PDF text extractor. Minimum water level, suggested temperatures, standby behaviour, lower temperature selection and filter cleaning.
Used only to confirm the title, manufacturer and model number behind each ASIN. No Amazon prices, ratings, images or descriptions are used.
Kitchen Appliances
A research-based UK toaster guide explaining slots versus slices, long slots, independent controls, defrost and reheat, crumb trays and safe use, with five examples checked against manufacturer pages.
Kitchen Appliances
A research-based UK coffee machine guide comparing pod, filter, manual espresso and bean-to-cup machines, with four verified examples and what the trade-offs mean for effort, milk drinks, cleaning and space.