Siemens SN25M231GB Freestanding Dishwasher, White

Product information

Please note: This product is not available in our shops for viewing. However, you can still place your order in store.

Streamline your kitchen with the Siemens SN25M231GB dishwasher.

Finished in white, this dishwasher washes up to 12 place settings and has an excellent A+ energy efficiency rating. The SN25M231GB features 5 programmes and 2 special options, including:


  • pre-rinse (good for infrequent use)
  • intensive 70°C wash for heavily soiled items
  • auto 45-65°C uses sensors to provide the optimum clean
  • economy 50°C uses just 12L of water per cycle
  • a speedy 29-minute quick wash; and
  • a half load option.

Precision engineering has resulted in a ServoLock door on this unit, which allows the door to close virtually by itself and with minimum effort on your part. A child lock protects from scalding, and tamperproof controls ensure washes are not interrupted by curious hands! 

The SN25M231GB has a height-adjustable top basket to give you plenty of loading options, while there are foldable plate and cup racks throughout the machine - great for washing pots and pans. A thoughtfully included Intensive Zone area lets you place heavily soiled items in the lower basket, and at the same time put fragile items in the top.

  • Residual heat drying system uses heat from the final rinse to dry dishes naturally and hygienically
  • Washes up to 12 place settings
  • 3-step Rackmatic top basket allows you to adjust height
  • servoLock for effortless door closing
  • Child safety door lock and tamperproof controls
  • dosageAssist dispenses detergent perfectly
  • hydroSensor and loadSensor functions
  • hydroMix technology protects your glassware
2 day delivery available
Express Delivery available
Adjustable racking Information Lets you move the racking around to fit large or awkward items
Automatic Load Adjustment Information Automatically adjusts water level for a smaller load, thus saving time and money
Delay Start
Yes - up to 24 hours
Delicate Wash Information A gentle clean, designed to protect delicate items, such as glasses
Digital display
H84.5 x W60 x D60cm
Dishwasher Size
Drying performance Information Graded on performance A - G, with A being the highest grade
Eligible for International Delivery
Energy Consumption Per Standard Cycle
Energy Rating Information Graded on performance A++ - G, with A++ being the highest grade
Estimated Annual Energy Consumption Information Typical annual amount used by a 4 person household
Estimated Annual Water Consumption
Model name / number
Noise Level Information How noisy, in decibels, the machine is. The lower the dB, the quieter the appliance
Number of Programs
5 programmes and 2 special options (varioSpeed, Half Load)
Online Exclusive Information This product is not available in John Lewis branches
Overflow protection Information An anti-flood device prevents the machine from being damaged by flooding from the inlet pipe
Place Settings Information The number of items- plates, glasses and cutlery a dishwasher can hold, per table setting.
Program Sequence Indicator Information Tells you progress of washing cycle
Quick wash Information Speedy programme when you need items cleaned quickly
Time remaining indicator Information Tells you how long the programme's got to go
Wash performance Information Graded on performance A - G, with A being the highest grade
Water Consumption Per Standard Cycle


UK mainland delivery within 7 working days; may be longer for N Ireland, island and rural postcodes


Express 2 working day delivery to selected areas


International delivery not available

We want you to be happy with your purchase. If you're not, depending on the type of product, you can make free returns in the UK via John Lewis shops, Royal Mail, Collect+, or MyHermes. If you need to arrange collection of large or heavy items, call us on 03456 049 049. For international returns queries, call us on +44 1698 545 454. Find out more about returns.

You'll find returns information on your delivery note. Unless faulty, we'd like you to make your return within 90 days of purchase. Exceptions apply to certain products - find out more about our refund policy.


Find out more about returning products


Dishwasher Disposal

The charge for this service includes removal and disposal of your old dishwasher for reuse or recycling.

Dishwasher Connection

The charge for this service includes:

  • Connection of the new appliance to a standard domestic water connection point within 1 metre of the installation location
  • Connection of the appliance to an existing 3-pin 13amp electrical point within 1 metre of the installation location (we are unable to connect to a 'hardwired' electricity point)
  • Connection of the appliance to an existing waste outlet within 1 metre of the installation location
  • A test wash to ensure the appliance is filling and draining correctly
  • The removal and disposal of all packaging

Please note: we are unable to install a freestanding dishwasher where your current appliance is an integrated dishwasher.

Q & As

Rated 4.6 out of 5 by 19 reviewers.
Rated 5 out of 5 by Brilliant This dishwasher was recommended by the salesman. I returned a Hotpoint machine which was far more expensive but never worked properly - I wish I'd done it sooner! I have used this for 2 months now and everything has come out spotlessly clean. This machine is thoroughly recommended by a very happy housewife! 18 May 2015
Rated 5 out of 5 by A good purchase Really pleased with this dishwasher, have had it now for 6 weeks. Much quieter than our previous one, which we'd had for more than 15 years. Excellent cleaning & drying. Only downside, admittedly a minor point, is that when a programme has ended the digital screen goes blank so that you don't know which programme has been completed. This means that on opening the door you don't know if you will find dirty dishes, rinsed dishes, or clean dishes. The rinsing programme is so effective that on a couple of occasions I have thought a wash programme had finished, only to discover after removing a few items that everything was only rinsed (programme had been put on by someone else in the household) However, I would recommend this dishwasher and would buy it again. 09 May 2015
Rated 5 out of 5 by The Perfect Dishwasher Bought the Siemens dishwasher just over a week ago. This replaced a Miele dishwasher that had served us well for 10 years and previously a Bosch classix which lasted just 3 years. The Siemens is simply excellent. It is very easy to use, cleans & dries faultlessly on eco, intense and auto programmes. Yes it takes a while on eco mode (3.5hrs) but the auto mode is 2hrs and much less if you apply the vario option & performs excellently. Our previous Miele had a cutlery tray which I thought was great, but now with the Siemens having a standard basket I find that I actually prefer this as you can lift out the basket and take it to your cutlery drawer - much easier. And the cutlery basket can be positioned in a variety of places on the lower rack - I really do not think it takes up too much space - in fact quite the reverse as with no cutlery tray the upper basket allows for larger items to be placed with ease. So, so far I am so pleased with the Siemens - it looks good, feels good and performs superbly - given the choice again I would certainly opt for this over a Miele or Bosch as it offers very good value and performance. I would add that we have used the Siemens at least twice every day and not once has it failed to clean & dry perfectly. Very easy to install. We use Lidl W5 standard tablets and add salt and rinse aid as we have found this gives the best all round cleaning - but note that if you use combi tablets Siemens still recomend that you use salt & rinse aid if you are in a very hard water area (London) - if you do not use salt & rinse aid and use multi tablets then the salt & rinse aid refill lights will remain lit. Would recommend without hesitation - An excellent dishasher - 5 stars 07 May 2015
Rated 4 out of 5 by Functional Bought this to replace a failing Dishwasher ; nice and quiet and easy to plumb in . Slightly disappointed with the internal layout and stacking arrangements . The cutlery basket seems to take up a lot of stacking space .Eco run time is 3.5 hrs , so best to run overnight . 06 May 2015
Rated 2 out of 5 by Not as good as the Bosch Classixx Our Bosch of 10yrs+ died and we decided to go a bit more up market. We've had this for 2 months and have had a number of bowls uncleaned with the bits stuck to it. Yes, we did move dishes around to make more space but there has been no improvement, cleaned out the filter etc. Our Bosch only did this sort of thing towards the end of life. Should of stayed with Bosch. 06 May 2015
Rated 4 out of 5 by What's not to like Previously had a Hotpoint with eight years of no complaints and faultless service (till it broke). This, however, is a whole new ball game. The wash results put the Hotpoint to shame. Even did the TV advert thing with the pasta bake dish, and it came out spotless. We have now had the machine for some weeks and we are still delighted with it. Brilliant wash results. Excellent capacity (not just place setting). Thoughtful load area, with lots of flexibility - open and closing grid on the cutlery basket, fold down dividers, long knife holder, removable upper basket with secondary spray head attachment. Not only does it have flexible load options, but also an abundance of wash options. And for us (as parents) a major plus point was, it's quiet and has both a control and door lock. So not bothered about putting it on when the children are in bed and it keep our inquisitive two year old at bay. Because it is so good, I had to be super critical and not give it 5 stars because it takes for-ev-er to wash and displays the salt and rinse aid symbols when you are using tablets - which is not the end of the world, but just irritating. Really it's a 4.75 stars. Buy it. 21 April 2015
Rated 5 out of 5 by so quiet This is the best dishwasher I have had by far. It cleans well, has versatile racks and is so quiet I have to listen hard to check it's working . And as for the installation....they were the most helpful chaps even fixing a cupboard door for me. Came when they rang to say they would and were ideal. Brilliant product and servise 21 April 2015
Rated 5 out of 5 by Great value Excellent value - well designed, multiple settings available for washing. So far, dishes have always come out in perfect condition. Lots of options available for organising dishes and very quiet. Highly recommended 11 April 2015
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