17 February, 2026

Top 10 Best Ultra Slimline Dishwasher 300mm of 2026

Last Updated - 17 February, 2026

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Up to 22% off

1

9.9

Outstanding

Hisense HS523E15BUK Slimline 10 Places Free Standing Dishwasher Black with 30 Minutes Quick Wash [Energy Class E]

Hisense

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Hisense HS523E15BUK Slimline 10 Places Free Standing Dishwasher Black with 30 Minutes Quick Wash [Energy Class E]

Why We Love It

Quick Wash - 30-min fast cleaning would be perfect if you're in hurry
6 Wash Programmes - Intensive, ECO, Quick and intensive, Special glass care, Universal, Rapid
Half Load Programme - for a speedy wash, whilst helping to save on energy and water consumption

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Why We Love It

Quick Wash - 30-min fast cleaning would be perfect if you're in hurry
6 Wash Programmes - Intensive, ECO, Quick and intensive, Special glass care, Universal, Rapid
Half Load Programme - for a speedy wash, whilst helping to save on energy and water consumption

2

9.5

Excellent

Hisense HS523E15WUK Slimline 10 Places Free Standing Dishwasher White with 30 Minutes Quick Wash [Energy Class E]

Hisense

Hisense HS523E15WUK Slimline 10 Places Free Standing Dishwasher White with 30 Minutes Quick Wash [Energy Class E]

Main Highlights

10 Place settings - fitting up to 110 items in one load, making it ideal for smaller households
Quick Wash - 30-min fast cleaning would be perfect if you're in hurry
6 Wash Programmes - Rapid, Intensive, 1 Hour Wash, Universal, ECO and glass
Half Load Programme - for a speedy wash, whilst helping to save on energy and water consumption
2 Year Warranty

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Main Highlights

10 Place settings - fitting up to 110 items in one load, making it ideal for smaller households
Quick Wash - 30-min fast cleaning would be perfect if you're in hurry
6 Wash Programmes - Rapid, Intensive, 1 Hour Wash, Universal, ECO and glass
Half Load Programme - for a speedy wash, whilst helping to save on energy and water consumption
2 Year Warranty

3

9.5

Excellent

Hisense HS523E15XUK Slimline 10 Places Free Standing Dishwasher Stainless Steel with 30 Minutes Quick Wash [Energy Class E]

Hisense

Hisense HS523E15XUK Slimline 10 Places Free Standing Dishwasher Stainless Steel with 30 Minutes Quick Wash [Energy Class E]

Main Highlights

Quick Wash - 30-min fast cleaning would be perfect if you're in hurry
Half Load Programme - for a speedy wash, whilst helping to save on energy and water consumption
6 Wash Programmes - Intensive, ECO, Quick and intensive, Special glass care, Universal, Rapid
2 Year

View Deal on:

Main Highlights

Quick Wash - 30-min fast cleaning would be perfect if you're in hurry
Half Load Programme - for a speedy wash, whilst helping to save on energy and water consumption
6 Wash Programmes - Intensive, ECO, Quick and intensive, Special glass care, Universal, Rapid
2 Year

4

9.2

Excellent

COMFEE' Freestanding Dishwasher CDWEF1034BW-UK 45cm Width, Slimline Dishwasher with 10 place settings, Quick Wash, Hygiene Wash, Delay Start, Half Load, Adjustable Basket - White

COMFEE'

COMFEE' Freestanding Dishwasher CDWEF1034BW-UK 45cm Width, Slimline Dishwasher with 10 place settings, Quick Wash, Hygiene Wash, Delay Start, Half Load, Adjustable Basket - White

Main Highlights

10 Place SettingsWith a slim body, it takes up less space and is easy to fit whether it's free-standing or built-in. It's also has been considerately designed to accommodate larger plates, pots & pans up to 300mm in diameter
30min Quick WashChoose the Rapid cycle to get your dishes sparkling clean within 30 minutes If you are in a hurry
72 Hygiene WashAwarded the Golden Virus Hygiene Seal, COMFEE' hygiene wash helps remove the most stubborn of stains, leaving your dishes and glassware clean and hygienic
Half Load FunctionThe half load function gets smaller loads washed, using 30% less energy than a full load cycle (it can be used with Intensive, ECO, 90 min, Glass and Hygiene Program)
Extra DryingThe extra drying function offers thorough drying performance (except for the Rapid cycle) with no additional towel drying required *Please kindly note that a little water residual in a new dishwasher machine is normal, because it has undergone manufacturers quality tests to ensure proper operation.

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Main Highlights

10 Place SettingsWith a slim body, it takes up less space and is easy to fit whether it's free-standing or built-in. It's also has been considerately designed to accommodate larger plates, pots & pans up to 300mm in diameter
30min Quick WashChoose the Rapid cycle to get your dishes sparkling clean within 30 minutes If you are in a hurry
72 Hygiene WashAwarded the Golden Virus Hygiene Seal, COMFEE' hygiene wash helps remove the most stubborn of stains, leaving your dishes and glassware clean and hygienic
Half Load FunctionThe half load function gets smaller loads washed, using 30% less energy than a full load cycle (it can be used with Intensive, ECO, 90 min, Glass and Hygiene Program)
Extra DryingThe extra drying function offers thorough drying performance (except for the Rapid cycle) with no additional towel drying required *Please kindly note that a little water residual in a new dishwasher machine is normal, because it has undergone manufacturers quality tests to ensure proper operation.

5

9.0

Excellent

Hisense HV523E15UK 10 Places Slimline Fully Integrated Dishwasher White with 30 Minutes Quick Wash [Energy Class E]

Hisense

Hisense HV523E15UK 10 Places Slimline Fully Integrated Dishwasher White with 30 Minutes Quick Wash [Energy Class E]

Main Highlights

*Door fixing not included
10 Place settings - fitting up to 110 items in one load, making it ideal for smaller households
Cutlery tray and flexible baskets - allowing you to reconfigure to your needs
Quick Wash - 30 min fast cleaning would be perfect if you're in hurry
7 Wash Programmes - Rapid, Intensive, 90 Minute Wash, Universal, ECO, Glass and Soak
Half Load Programme - for a speedy wash, whilst helping to save on energy and water consumption
2 Year Warranty

View Deal on:

Main Highlights

*Door fixing not included
10 Place settings - fitting up to 110 items in one load, making it ideal for smaller households
Cutlery tray and flexible baskets - allowing you to reconfigure to your needs
Quick Wash - 30 min fast cleaning would be perfect if you're in hurry
7 Wash Programmes - Rapid, Intensive, 90 Minute Wash, Universal, ECO, Glass and Soak
Half Load Programme - for a speedy wash, whilst helping to save on energy and water consumption
2 Year Warranty

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6

8.8

Very Good

HYE Dishwasher - Slimline Dishwasher With 9 Place Settings, 45cm, Compact & Freestanding Design, White, ECO Program, Quick Wash, Quiet (49 dB) - DW0109PW19

HYE

HYE Dishwasher - Slimline Dishwasher With 9 Place Settings, 45cm, Compact & Freestanding Design, White, ECO Program, Quick Wash, Quiet (49 dB) - DW0109PW19

Main Highlights

Space-Saving Design with 9 Place Settings - Perfect for smaller kitchens or apartments, the HYE DW0109PW19 Slimline Dishwasher offers 9 place settings while maintaining a compact, freestanding design. This makes it the ideal solution for households with limited space but big dishwashing needs.
Energy Efficient Low Consumption for Savings - With a low energy consumption of just 0.701 kWh per cycle, this dishwasher helps you save on electricity bills while being environmentally friendly. Enjoy the peace of mind knowing you're getting a powerful clean without wasting energy.
Whisper-Quiet Operation (49 dB) - Running at a quiet 49 dB, this dishwasher provides a peaceful washing experience. You wont be disturbed by loud noises during cycle operation, making it perfect for open-plan living spaces or late-night washes without disrupting your routine.
Four Flexible Wash Programs to Suit Every Need - Whether you're cleaning everyday dishes or tackling a stack of heavy-duty pots and pans, the HYE DW0109PW19 offers four versatile wash programs: Eco (energy-efficient), Daily (standard cleaning), Quick (speedy wash for busy days), and Intensive (for stubborn dirt and grease). The right program, every time.
Convenient Features for Effortless Use - Designed for modern living, the dishwasher includes a delay timer, so you can set it to start at your convenience. The child lock provides added safety in households with young children, while the wash cycle lights give you a clear indication of when your dishes are done, making it easy to stay on top of your washing schedule.

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Main Highlights

Space-Saving Design with 9 Place Settings - Perfect for smaller kitchens or apartments, the HYE DW0109PW19 Slimline Dishwasher offers 9 place settings while maintaining a compact, freestanding design. This makes it the ideal solution for households with limited space but big dishwashing needs.
Energy Efficient Low Consumption for Savings - With a low energy consumption of just 0.701 kWh per cycle, this dishwasher helps you save on electricity bills while being environmentally friendly. Enjoy the peace of mind knowing you're getting a powerful clean without wasting energy.
Whisper-Quiet Operation (49 dB) - Running at a quiet 49 dB, this dishwasher provides a peaceful washing experience. You wont be disturbed by loud noises during cycle operation, making it perfect for open-plan living spaces or late-night washes without disrupting your routine.
Four Flexible Wash Programs to Suit Every Need - Whether you're cleaning everyday dishes or tackling a stack of heavy-duty pots and pans, the HYE DW0109PW19 offers four versatile wash programs: Eco (energy-efficient), Daily (standard cleaning), Quick (speedy wash for busy days), and Intensive (for stubborn dirt and grease). The right program, every time.
Convenient Features for Effortless Use - Designed for modern living, the dishwasher includes a delay timer, so you can set it to start at your convenience. The child lock provides added safety in households with young children, while the wash cycle lights give you a clear indication of when your dishes are done, making it easy to stay on top of your washing schedule.

7

8.6

Very Good

SIA SFSD459BL Freestanding Dishwasher, Slimline 45cm Width, 9 Place Settings, Delay Start, 4 Programs, 29 Minute Quick Wash, Black

SIA

SIA SFSD459BL Freestanding Dishwasher, Slimline 45cm Width, 9 Place Settings, Delay Start, 4 Programs, 29 Minute Quick Wash, Black

Main Highlights

Compact Yet Spacious - The slim 45cm width makes this dishwasher perfect for smaller kitchens, yet it still holds up to 9 place settings, ideal for couples or small households.
4 Versatile Wash Programs - Choose from ECO, Intensive, Daily, or Quick cycles to handle everything from lightly soiled plates to heavily used pans.
Convenient Delay Timer - With 3, 6, 9, and 12-hour delay settings, you can schedule washes to start when it suits you best, perfect for off-peak energy use.
Quiet, Efficient Performance - The advanced inverter pump operates at a low 49 dBA, delivering powerful cleaning with minimal noise and energy use.
Enhanced Safety Features - Built with a water leakage protection system and anti-overflow technology for peace of mind and reliable daily use. Comes with a 2 Years Parts & Labour Guarantee.

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Main Highlights

Compact Yet Spacious - The slim 45cm width makes this dishwasher perfect for smaller kitchens, yet it still holds up to 9 place settings, ideal for couples or small households.
4 Versatile Wash Programs - Choose from ECO, Intensive, Daily, or Quick cycles to handle everything from lightly soiled plates to heavily used pans.
Convenient Delay Timer - With 3, 6, 9, and 12-hour delay settings, you can schedule washes to start when it suits you best, perfect for off-peak energy use.
Quiet, Efficient Performance - The advanced inverter pump operates at a low 49 dBA, delivering powerful cleaning with minimal noise and energy use.
Enhanced Safety Features - Built with a water leakage protection system and anti-overflow technology for peace of mind and reliable daily use. Comes with a 2 Years Parts & Labour Guarantee.

8

8.3

Very Good

COMFEE' Slimline Freestanding Dishwasher CDWEF1036ESS-UK 45cm Wide With 10 Place Settings, Whisper Quiet 44dB, Auto Wash, Auto Open Drying, Energy Class D, Stainless Steel

COMFEE'

COMFEE' Slimline Freestanding Dishwasher CDWEF1036ESS-UK 45cm Wide With 10 Place Settings, Whisper Quiet 44dB, Auto Wash, Auto Open Drying, Energy Class D, Stainless Steel

Main Highlights

Whisper Quiet at 44dBCOMFEE' Silent-Tech technology keeps the noise level of the slim dishwasher to under 44dB, allowing you to run the dishwasher whenever you need without disturbing anyone.
Smart Soil-Sensing Auto WashThe COMFEE' Smart Soil-Sensing function detects the level of food residue on your dishes and selects the optimal cycle required. This ensures sparkling clean dishes every time, while also saving energy, time and money.
Auto-Open DryingOur Auto-Open Drying function ensures your tableware is well-dried after each cycle, including plastic items. You can cancel this default function by pressing the Auto-Open button.
Flexible Rack SystemThe free standing dishwasher's upper basket can be raised by 5cm to accommodate larger dishes up to 30cm in the lower basket, while the foldable flip tines, removable cutlery basket and versatile cup shelves provide additional space for larger tableware. Your goblets and cups will also be well placed.
Intuitive Operation & Anti-fingerprint ExteriorThe digital display shows time remaining, settings and program progress with simple icons. The stainless finish ensures the exterior is easy to clean and resists fingerprints and smudges.

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Main Highlights

Whisper Quiet at 44dBCOMFEE' Silent-Tech technology keeps the noise level of the slim dishwasher to under 44dB, allowing you to run the dishwasher whenever you need without disturbing anyone.
Smart Soil-Sensing Auto WashThe COMFEE' Smart Soil-Sensing function detects the level of food residue on your dishes and selects the optimal cycle required. This ensures sparkling clean dishes every time, while also saving energy, time and money.
Auto-Open DryingOur Auto-Open Drying function ensures your tableware is well-dried after each cycle, including plastic items. You can cancel this default function by pressing the Auto-Open button.
Flexible Rack SystemThe free standing dishwasher's upper basket can be raised by 5cm to accommodate larger dishes up to 30cm in the lower basket, while the foldable flip tines, removable cutlery basket and versatile cup shelves provide additional space for larger tableware. Your goblets and cups will also be well placed.
Intuitive Operation & Anti-fingerprint ExteriorThe digital display shows time remaining, settings and program progress with simple icons. The stainless finish ensures the exterior is easy to clean and resists fingerprints and smudges.

9

8.1

Very Good

SIA SFSD459W Freestanding Dishwasher, Slimline 45cm Width, 9 Place Settings, Delay Start, 4 Programs, 29 Minute Quick Wash, White

SIA

SIA SFSD459W Freestanding Dishwasher, Slimline 45cm Width, 9 Place Settings, Delay Start, 4 Programs, 29 Minute Quick Wash, White

Main Highlights

Compact Yet Spacious - The slim 45cm width makes this dishwasher perfect for smaller kitchens, yet it still holds up to 9 place settings, ideal for couples or small households.
4 Versatile Wash Programs - Choose from ECO, Intensive, Daily, or Quick cycles to handle everything from lightly soiled plates to heavily used pans.
Convenient Delay Timer - With 3, 6, 9, and 12-hour delay settings, you can schedule washes to start when it suits you best, perfect for off-peak energy use.
Quiet, Efficient Performance - The advanced inverter pump operates at a low 49 dBA, delivering powerful cleaning with minimal noise and energy use.
Enhanced Safety Features - Built with a water leakage protection system and anti-overflow technology for peace of mind and reliable daily use. Comes with a 2 Years Parts & Labour Guarantee.

View Deal on:

Main Highlights

Compact Yet Spacious - The slim 45cm width makes this dishwasher perfect for smaller kitchens, yet it still holds up to 9 place settings, ideal for couples or small households.
4 Versatile Wash Programs - Choose from ECO, Intensive, Daily, or Quick cycles to handle everything from lightly soiled plates to heavily used pans.
Convenient Delay Timer - With 3, 6, 9, and 12-hour delay settings, you can schedule washes to start when it suits you best, perfect for off-peak energy use.
Quiet, Efficient Performance - The advanced inverter pump operates at a low 49 dBA, delivering powerful cleaning with minimal noise and energy use.
Enhanced Safety Features - Built with a water leakage protection system and anti-overflow technology for peace of mind and reliable daily use. Comes with a 2 Years Parts & Labour Guarantee.

10

8.1

Very Good

Electra C1745BE Slimline Dishwasher - Black - E Rated

ELECTRA

Electra C1745BE Slimline Dishwasher - Black - E Rated

Main Highlights

Electra C1745BE Slimline Dishwasher Black E Rated
product type: DISHWASHER
brand: ELECTRA
color: Black

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Main Highlights

Electra C1745BE Slimline Dishwasher Black E Rated
product type: DISHWASHER
brand: ELECTRA
color: Black