Monarch Water is a UK-based company specializing in the provision of water softeners for both residential and commercial applications. Established in 1964, the company focuses on delivering high-quality water treatment solutions to enhance water quality for homeowners and businesses alike. Their offerings are designed to address hard water issues, improving the overall efficiency of plumbing systems and appliances. The company serves a diverse clientele, including individual homeowners seeking to improve their domestic water supply and commercial clients requiring tailored solutions for their operational needs. Monarch Water provides comprehensive support, including a network of professional installers and detailed product specifications, to ensure effective water treatment solutions are accessible to all customers. For inquiries and further assistance, Monarch Water can be contacted through their website or by phone.
Monarch Water receives overwhelmingly positive feedback for its exceptional service and knowledgeable staff, particularly highlighting engineers like Richard and Dom. Reviewers frequently commend the promptness and professionalism of the technicians, noting their ability to diagnose and resolve issues efficiently, often within minutes.
Customers appreciate the thorough explanations provided during repairs, which enhance their understanding of the water softener systems. However, there are a few critical mentions regarding the performance of the water softeners, with some users experiencing issues shortly after installation. Despite these isolated complaints, the overall sentiment remains highly favorable, with many recommending Monarch Water for its reliable service and effective solutions. Overall, Monarch Water is viewed positively by the majority of its customers.
Summary generated with AI from recent reviews
Each source counts by its number of reviews. Only reviews written by people are scored.
| Source | Rating | Reviews | Weight | 6-mo | Fake risk |
|---|---|---|---|---|---|
Trustpilot Imported Trustpilot reviews | 4.8 | 412 | 100% | +0.1 | ● Low |
Monthly average rating from reviews written by people · latest review Jul 2025.
| Month | Average | Reviews |
|---|---|---|
| Sep 24 | 5.0 | 2 |
| Oct 24 | 5.0 | 6 |
| Nov 24 | 4.9 | 28 |
| Dec 24 | 5.0 | 15 |
| Jan 25 | 4.8 | 23 |
| Feb 25 | 4.6 | 23 |
| Mar 25 | 5.0 | 36 |
| Apr 25 | 4.8 | 33 |
| May 25 | 4.9 | 37 |
| Jun 25 | 4.9 | 47 |
| Jul 25 | 4.9 | 27 |
Share of positive (4–5★) and negative (1–2★) reviews mentioning each topic · based on the 412 most recent reviews.
“The water softener has been installed for 10 months”
“Changed the motor ( under warranty)”
Same method for every company: overall rating, legitimacy checks, the average rating of reviews mentioning each area and the 6-month trend · Appliances.
| Company | Overall | Legit | Service | Delivery | Quality | Trend | Reviews |
|---|---|---|---|---|---|---|---|
 | 4.8 out of 5 (good) | 100 out of 100 | 4.8 out of 5 (good) | 4.9 out of 5 (good) | 4.5 out of 5 (good) | −1% | 412 |
| 4.6 out of 5 (good) | 100 out of 100 | 4.6 out of 5 (good) | 4.6 out of 5 (good) | 4.2 out of 5 (good) | — | 1,000 | |
| 4.5 out of 5 (good) | 67 out of 100 | 4.3 out of 5 (good) | 4.4 out of 5 (good) | 4.1 out of 5 (good) | — | 1,000 | |
| 4.2 out of 5 (good) | 100 out of 100 | 3.4 out of 5 (fair) | 3.5 out of 5 (good) | 3.2 out of 5 (fair) | +5% | 743 | |
| 4.8 out of 5 (good) | 100 out of 100 | 4.3 out of 5 (good) | 4.1 out of 5 (good) | 4.3 out of 5 (good) | — | 1,809 |
Bottom line: Monarch Water is #1 of 5 on overall rating in this group.
412 reviews of Monarch Water. Filter by what matters to you.
Over a year ago
Dom fixed the issue with my softener and gave a full explanation of what had caused the problem. Very happy with the service from Monarch, I highly recommend using this company.
Over a year ago
Dom arrived on time was very polite and got on with the service I had book very knowledgeable working very cleanly did his tests all ok after his work thank you Dom
Over a year ago
Dom turned up on time and diagnosed/replaced the faulty valve quickly. System back up and running in less than 15 minutes.
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The water softener has been installed for 10 months. During that time there have been a couple of separate issues regarding it's operation reducing the softening quality. On both occasions Monarch have been very supportive and on both occasion have rectified the issue effectively with minimal fuss. Overall the unit is excellent and so is the service that I have received from Monarch.
Dom fixed the issue with my softener and gave a full explanation of what had caused the problem. Very happy with the service from Monarch, I highly recommend using this company.
Dom arrived on time was very polite and got on with the service I had book very knowledgeable working very cleanly did his tests all ok after his work thank you Dom
Dom turned up on time and diagnosed/replaced the faulty valve quickly. System back up and running in less than 15 minutes.
Richard, the engineer who came to do a service on our softener, was on time, courteous and got on with the job immediately. Service was carried out, and some faulty parts were replaced. Was given some advice on the loading of the salt tablets, all helpful and the job was finished left clean and tidy. Excellent service and good customer support
Many thanks Richard excellent job
Richard who attended my house today to repair my water softener was very polite and carried out the necessary repair by identifying the issues and advising me of the cost to repair against a new softener. Richard was very thorough and explained why the fault had occurred. Richard was very professional and extremely knowledgeable regarding the softener and was extremely helpful. Richard left the site clean and was very attentive. I would recommend him to anyone and Monarch from my original enquired to completion. Thank you
Dave, the Monarch engineer, was punctual and competent. He was very thorough and conscientious and I was most impressed with his work ethic. I was also grateful for his expertise and extensive knowledge. Monarch are fortunate to have someone of his calibre on their team.
Great service experience from Richard , very knowledgeable and his advice led to us making correct decisions on our unit
Richard Lawrence was extremely helpful. He was punctual, polite, clear, and very efficient.
Richard came over to replace an item that was leaking at short notice. It was clear he knew exactly what he was doing and after replacing the faulty part, he checked everything else was in working order. He was very kind to explain the process while he was working (and answered all my questions), he also gave me some tips to get the best out of the softener. Great service.
Dave W was very efficient knew what he was doing . Showed me the problem and talked me through it. He tidied up very well had nothing todo when he left. He is a asset to the company
Dave W came to service my Monarch water softener. He was very efficient and had a good customer service approach. He replaced some faulty equipment, gave good advice on different salt grades in the market, tested the water hardness and reset the equipment again to get the unit back and and running smoothly.
Richard the Monarch engineer was prompt, courteous and explained everything clearly. He boxed up my old unit and refilled my new unit with salt and even moved the old one so that I could easily access it. I would thoroughly recommend his and Monarch's services.
Booked a visit to investigate an intermittent fault on a 3 year old softener. Dave W the engineer was great, told me when he would arrive and did a comprehensive check. Very user friendly experience all round
Purchased a scale out advance 12 months ago to replace a faulty water softener From about three weeks in we had scale everywhere Taps showers and screens These filters are pointless Do not buy one In reply to monarch I have changed the filter inside and still am getting scale these filters simply do not work your claims are completely false The merchant where I purchased it will no longer sell them Update number 2 Had a phone call from monarch today Asking why my negative review Well.. your product scaleout advance which is sold with bold claims of Cleaning will be far easier with no hard limescale to scrub and all of your pipes, taps, showers and appliances will be protected. (Taken from monarchs website ) Simply doesn’t reduce the scale at all The reply? It’s wont it isn’t designed to The man then tried to sell me a water softener I’m not sure if this man’s position in the company but he didn’t seem very knowledgeable I shall be pursuing a refund with monarch
I’ve been meaning to leave a review for Dave’s great service since March as I couldn’t get on the link for some reason. Anyway, I haven’t forgotten and I think that says it all. Thanks for your brilliant service Dave 👍
Contacting Monarch and arranging for an engineer to come out was quick and easy on the phone. Richard texted the afternoon before the appointment to give an approximate time he would arrive which was most helpful. He arrived on time and quickly found the problem and explained what the choices and costs were and I decided that owing to the age of my machine a full replacement was most cost effective. He carefully and efficiently replaced the Water Softener, set it up and tested it explaining what he was doing and how best to maintain it. He also made sure the installation was registered with Monarch and took away the old machine for recycling. Thanks to Richard’s professionalism the whole process was much less stressful than I had feared.
Richard was very polite and helpful. He explained clearly what he was going to do and when done he was done. He left everything clean and clean.
Monarch Water is a UK-based company specializing in the provision of water softeners for both residential and commercial applications. Established in 1964, the company focuses on delivering high-quality water treatment solutions to enhance water quality for homeowners and businesses alike. Their offerings are designed to address hard water issues, improving the overall efficiency of plumbing systems and appliances. The company serves a diverse clientele, including individual homeowners seeking to improve their domestic water supply and commercial clients requiring tailored solutions for their operational needs. Monarch Water provides comprehensive support, including a network of professional installers and detailed product specifications, to ensure effective water treatment solutions are accessible to all customers. For inquiries and further assistance, Monarch Water can be contacted through their website or by phone.
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