Breville Bambino BES450 Review (2026): Fast and Compact

This Breville Bambino BES450 review looks at a compact semi-automatic espresso machine aimed at people who want to learn real espresso technique without giving up much counter space. It pairs fast heating with PID temperature control and a manual steam wand. The idea is that you can pull a shot and texture your own milk, rather than pressing a button and hoping for the best. It is built for small-kitchen home baristas who want to learn espresso and milk texturing, and it is in the mid-range price tier among the products we compared.

This review is based on Breville's published specifications and on what independent expert reviews report. It is not based on hands-on testing.

Breville Bambino BES450 review: what it is

The Bambino BES450 (model BES450BSS1BUS1) is a semi-automatic machine. You grind and dose the coffee yourself, lock in the portafilter and start the shot with a button. The machine then manages temperature and timing, and you steam the milk by hand.

Experts rate it well. It averages 8.5/10 across 3 expert reviews: Tom's Guide gives it 5/5, CHOICE (Australia) scores it 82/100, and Barista Bench scores it 7.4/10. It is also recommended in 4 independent expert buying guides. The praise is consistent, but there are also criticisms, which we cover below.

Design and build

The headline design choice is size. Breville publishes the dimensions as 7.7" x 12.6" x 12.2", and the machine weighs 10.9 pounds. Reviewers single out its compact footprint, and it is small enough to fit under cabinets. That matters in apartments and galley kitchens, where counter space is limited.

The 47 fl oz water tank is removable, so you can refill it at the sink without moving the machine.

One common criticism is that some parts feel plasticky. If you want an all-metal, heavyweight machine, this is not it.

Features and what they mean day to day

ThermoJet heating

The ThermoJet heating system reaches extraction temperature in 3 seconds. The wait is short enough that you can switch it on, grind and dose, and be ready to pull a shot. For people who want espresso on a weekday without a routine, that speed is the main selling point, and reviewers praise it.

Pre-infusion, 9 bar extraction and PID

The machine starts with low-pressure pre-infusion and then moves to 9 bar extraction. Pre-infusion gently wets the coffee puck before full pressure arrives, which helps water flow through it more evenly. The spec sheet also lists a 15 bar Italian pump, but the pressure at the coffee is the 9 bar extraction figure. The 15 bar number describes the pump's capability, so don't read it as the pressure your espresso is made at.

Internal PID temperature control keeps the water temperature steady from shot to shot. Reviewers cite pre-infusion and PID control among the machine's strengths. It means a beginner is working with a controlled process rather than guessing.

One-touch volumetric buttons

There are volumetric 1 and 2 shot buttons, plus buttons for steam and hot water. Volumetric means the machine measures out the water for you rather than relying on you to stop the shot at the right moment. For everyday use, this keeps the routine simple and repeatable. Reviewers praise the one-touch shot buttons for the same reason.

Portafilter and baskets

The portafilter is 54mm, and both single-wall and dual-wall baskets are included. The manufacturer lists an 18g dose. In general, dual-wall baskets are the more forgiving choice while you learn, and single-wall baskets reward better technique and more careful grinding. Having both in the box lets you grow into the machine rather than outgrow it straight away.

Hot water outlet

The hot water outlet lets you make an Americano by pulling a shot and topping it up with hot water, which is useful if black coffee is part of your routine.

The manual steam wand

The Bambino has a manual steam wand, so you control the milk texture yourself. Reviewers describe it as powerful and say it makes good hand-textured microfoam.

The flip side is the learning curve, which a common criticism highlights. The manual wand has a learning curve for beginners, and the machine will not texture the milk for you. If you enjoy the process and want to get better at it, that is a plus. If you want a latte at the push of a button, it is a drawback, and an automatic milk system would suit you better.

Performance: what to expect from the specs

The specs suggest a machine built to be quick, predictable and easy to repeat. It heats in 3 seconds, uses pre-infusion followed by 9 bar extraction, and holds temperature with PID control. Combined with volumetric shot buttons, this should give you a consistent starting point, which is what a beginner needs most.

There are two caveats from the criticisms.

• No three-way solenoid valve. Reviewers note the puck stays wet after the shot and the group head drips. This is a listed drawback to weigh before buying.
• Fixed brew temperature. Experts say this may limit what you can do with light roasts, which often benefit from higher or adjustable temperatures. If you mainly drink darker or medium roasts, this matters less. If you plan to explore lighter, more acidic beans, bear it in mind.

The grinder question

There is no built-in grinder, so a separate grinder must be budgeted for. Espresso needs a fresh, fine and consistent grind, and the quality of the grinder strongly affects the result. Reviewers consistently say you should budget for a separate grinder when you consider the total cost of this setup. Treat the machine's mid-range price tier as only part of the cost.

What experts like and what they criticise

Praise. Reviewers consistently praise:

• the 3-second ThermoJet heat-up
• pre-infusion followed by 9 bar extraction with PID control
• the powerful manual steam wand and its microfoam
• the compact footprint that fits under cabinets
• the simple one-touch volumetric buttons

Criticism. A common criticism covers:

• no built-in grinder
• no three-way solenoid valve, so the puck stays wet and the group head drips
• the learning curve of the manual wand
• some plasticky parts
• a fixed brew temperature that may limit light roasts

The criticisms are worth knowing before you buy.

Who should buy the Bambino BES450

It suits you if:

• you live in a small kitchen and want a machine that can stay on the counter or tuck under a cabinet
• you want to learn espresso and milk texturing, and are happy to practise
• you want fast heat-up so that espresso fits into a busy morning
• you prefer simple one-touch shot buttons to a lot of manual settings

Who should skip it

Look elsewhere if:

• you want a built-in grinder and don't want to buy a separate one
• you want automatic milk frothing
• you want adjustable brew temperature, particularly for light roasts
• you want a more solid, premium build with fewer plastic parts

How it fits in its category

The Bambino leans toward small size, fast heating and a capable steam wand, and away from grinders, automation and temperature adjustment. If your priorities match, it is a focused choice. If you want everything built in, you would be looking at a different type of machine.

Verdict

The Bambino BES450 is a well-regarded, compact machine that makes sense for a particular buyer: someone who wants to learn real espresso and milk technique in limited space. Its speed, PID control and steam wand earn consistent praise, and its 8.5/10 expert average backs that up. Go in knowing you will need a separate grinder, that the manual wand takes practice, and that brew temperature is fixed. If those points do not put you off, it is an easy machine to recommend to a home barista just getting started.

Related buying guides

• Best Espresso Machines for Beginners 2026: Simple Starts
• Best Coffee Makers in 2026 for Drip, Cold Brew & Espresso