Control Flow Technologies Group Ltd Reviews 

49
TrustScore 3.5 uit 5

3,3

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Beoordeeld met 5 van de 5 sterren

The visit was quick, easy and hassle-free. The engineer came to my home and explained the process, then quickly installed the device. It was done before I knew it. I can't see any difference in wate... Toon meer

Bedrijf heeft geantwoord

Beoordeeld met 1 van de 5 sterren

We received a visit from this company unbeknown to us that they would be attending. Apparently 2 SMS 1 Email were sent to us and i can honestly say we received nothing. After talking to the company... Toon meer

Beoordeeld met 1 van de 5 sterren

Very pushy. Sent a letter which I was getting around to dealing with. They cold called at the doorstep confusing my elderly parents, I was luckily there to tell the cold called to go away.... Toon meer

Bedrijf heeft geantwoord

Beoordeeld met 5 van de 5 sterren

I really recommend booking with Control Flow. The water audit was offered to me for free and was no hassle whatsoever. I look forward to seeing my bills decrease and helping save water.

Bedrijf heeft geantwoord

Bedrijfsgegevens

  1. Stroomregelingsproduct groothandelaar

Geschreven door het bedrijf

At Control Flow Technologies Group, we help customers and organisations save water, energy, and money with our patented HL2024® technology. With our Control Flow HL2024® devices, we deliver a fully tailored, turnkey service that tackles some of the UK’s most pressing challenges: water scarcity, rising utility costs, and nutrient neutrality. We work with the UK's major water companies to deliver free Water Audits to customers, helping them save water and money on their utility bills.


Contactgegevens

3,3

Gemiddeld

TrustScore 3.5 uit 5

49 reviews

5 sterren
4 sterren
3 sterren
2 sterren
1 ster

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Heeft 78% van zijn negatieve reviews beantwoord

Reageert doorgaans binnen 2 weken

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3,3

Alle reviews

(49)

34 reviews in de afgelopen 12 maanden

Een review schrijven
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Beoordeeld met 5 van de 5 sterren

Good job in all senses

The visit was quick, easy and hassle-free. The engineer came to my home and explained the process, then quickly installed the device. It was done before I knew it. I can't see any difference in water pressure. Thank you Control Flow for saving water and money.

12 augustus 2026
Review zonder uitnodiging
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Antwoord van Control Flow Technologies Group Ltd

Hi. Thank you so much for taking the time to leave a review!

We are so happy you have had a great experience and that you can't notice any difference in water pressure!

Thank you.

Beoordeeld met 5 van de 5 sterren

they were very friendly and polite

they were very friendly and polite, and made it all very easy, and were lovely people.

6 augustus 2026
Review zonder uitnodiging
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Antwoord van Control Flow Technologies Group Ltd

Hi, thank you for taking the time to write a reply! We are so glad that you had a great experience! Thank you.

Beoordeeld met 5 van de 5 sterren

Quick and easy appointment for free

Quick and easy appointment for free! Really recommend!

10 augustus 2026
Review zonder uitnodiging
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Antwoord van Control Flow Technologies Group Ltd

Hi Stamatia, thank you for taking the time to write a review! We are really happy you have had a great experience. Thank you.

Beoordeeld met 1 van de 5 sterren

Cold Calling at my House

We received a visit from this company unbeknown to us that they would be attending. Apparently 2 SMS 1 Email were sent to us and i can honestly say we received nothing. After talking to the company who were rude and said do you not want to save money, which to be honest was not the point. Myself and husband were not in when your employee arrived and my 84 year old Mother was in the property. She was told it was to read the meter and from United Utilities. They had not got our permission to come in and start changing other things in the house. I had to ring home after seeing on our ring doorbell that you were in my house much longer than just taking a meter reading. You changed things in our taps that made when we turned off a tap it ran for a while after (how is that saving me money?) This is cold calling at its best

21 juli 2026
Review zonder uitnodiging
Beoordeeld met 5 van de 5 sterren

I really recommend booking with Control…

I really recommend booking with Control Flow. The water audit was offered to me for free and was no hassle whatsoever. I look forward to seeing my bills decrease and helping save water.

16 juli 2026
Review zonder uitnodiging
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Antwoord van Control Flow Technologies Group Ltd

Hi Gaz, thank you for taking the time to leave a review! We are so glad you had a good experience! Thank you.

Beoordeeld met 5 van de 5 sterren

We have just had a visit from Joel…

We have just had a visit from Joel Linkomola and was customer friendly from start to finish and very very helpful !!
He is a credit to your company 👌
Regards
Robert Frais

30 juli 2026
Review zonder uitnodiging
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Antwoord van Control Flow Technologies Group Ltd

Hi Mr Frais, thank you so much for leaving this review! We will be sure to inform Joel. Thank you for your kind words.

Beoordeeld met 5 van de 5 sterren

Saved me a fortune

brilliant experience all round for me the man came did an assessment realised too much water was coming out of my taps fitted the device all hassle free from me and after having it fitted in April I am now delighted to have had my first bill and have saved a fortune. Nothing to be worried about at all , I hadn't heard of them and did wonder if it was legitimate at first as I had received an email but hadn't seen it . Thanks for a great experience and saving me money.

8 april 2026
Review zonder uitnodiging
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Antwoord van Control Flow Technologies Group Ltd

Hi Alison,

We are so glad that you had a good experience! We really appreciate your feedback!

Thank you.

Beoordeeld met 1 van de 5 sterren

Cold called

Cold called. Rude and aggressive

21 juli 2026
Review zonder uitnodiging
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Antwoord van Control Flow Technologies Group Ltd

Hi Victoria,

Thank you for your feedback.

We're sorry to hear that your experience did not meet your expectations and that our visit caused concern. We take all feedback seriously and would appreciate the opportunity to understand what happened.

Please contact us at watersaving@controlflow.co.uk so we can look into this further and address your concerns directly.

Thank you for bringing this to our attention, and we apologise for any distress caused.

Beoordeeld met 1 van de 5 sterren

Very pushy.

Very pushy.

Sent a letter which I was getting around to dealing with.

They cold called at the doorstep confusing my elderly parents, I was luckily there to tell the cold called to go away.

This company is acting like it is the 1980’s, we have signs plastered over all of our door saying ‘No Cold Callers’.

This company put my parents in danger, they are at high risk of falls and had just been settled with cups of tea and programmes to watch.

I will be reporting this company for cold calling, ringing the bell and knocking on the door ignoring signs.

13 juli 2026
Review zonder uitnodiging
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Antwoord van Control Flow Technologies Group Ltd

Hi Francis,

Thank you for your feedback.

We're sorry to hear that your experience was a negative one and that our visit caused concern for your family. We take comments like this seriously and would welcome the opportunity to discuss what happened.

Please contact us at watersaving@controlflow.co.uk so we can look into this further and address your concerns directly.

Our apologies once again.

Beoordeeld met 1 van de 5 sterren

Cold caller from Control Flow Technologies

A representative from Control Flow Technologies Group cold called my house yesterday. Neither myself or my wife were home, but they managed to talk their way past my 82 year old father in law before making their way around my home on the premiss that we are using too much water. With clearly no attempt to check if he was the homeowner, they then arranged to install some sort of flow restriction. They left no paperwork, contact details, or any evidence of the planned work. When I called UU they could also find no details of the visit. We recently had a new water meter installed (I think the whole street had the same judging by all the discarded parts left behind). Following this we suffered from greatly reduced water pressure. I called UU and the next day someone (white van, no uniform, so guessing a contractor) turned up and removed something from the new water meter installed- I’m guessing it was the same thing that they have now organised to re-fit without the homeowner’s consent. I’m pretty disgusted by what’s happened. UU said they’d received a number of complaints about Control Flow Technologies and are investigating.

8 juli 2026
Review zonder uitnodiging
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Antwoord van Control Flow Technologies Group Ltd

Hi Chris,

Thank you for taking the time to share your feedback.

We're sorry to hear about your experience and understand why this has caused concern. We take feedback like this seriously and would like the opportunity to investigate what happened and review the visit with our team.

Please get in touch by emailing watersaving@controlflow.co.uk, so we can look into this fully and discuss your concerns directly.

Our apologies once again.

Beoordeeld met 1 van de 5 sterren

Our tap could not dispose any hot water…

Our tap could not dispose any hot water for days, we couldn’t shower for a night. No one came to re-check after we addressed the issue

17 juni 2026
Review zonder uitnodiging
Logo Control Flow Technologies Group Ltd

Antwoord van Control Flow Technologies Group Ltd

Hi Lexi,

We are so sorry to hear that you're having issues after your install. We want to fix this for you ASAP.

Please could you contact our team via email watersaving@controlflow.co.uk or by telephone 0800 783 7007 and we will ensure to resolve this.

Beoordeeld met 5 van de 5 sterren

Great experience.

Great experience.
The team were friendly and professional and explained everything that was happening and why.
It was completely free, so I’m looking forward to seeing results!

29 mei 2026
Review zonder uitnodiging
Logo Control Flow Technologies Group Ltd

Antwoord van Control Flow Technologies Group Ltd

Hi Jack,

We really appreciate taking the time to leave a review. We are so pleased you were happy with your service!

Beoordeeld met 1 van de 5 sterren

Misleading sales tactics

Misleading sales tactics. We were informed that there appeared to be a water leak on our premises due to increased water usage, and that the company was working alongside United Utilities to help identify the issue.
After requesting further information, I received an email which turned out to be a general water audit offering advice on reducing water usage and saving money, rather than any formal notification regarding a suspected leak.
I felt this approach was misleading. The sales representative’s communication did not accurately reflect the purpose of the contact and was not an appropriate way to promote the company’s services. A more transparent and honest approach would have been appreciated.

28 mei 2026
Review zonder uitnodiging
Logo Control Flow Technologies Group Ltd

Antwoord van Control Flow Technologies Group Ltd

Hi Andrea,

Thank you for taking the time to share your feedback. We're sorry to hear that your experience left you feeling misled.

We work in partnership with United Utilities to offer customers free water audits, which are designed to help identify opportunities to save water, reduce bills, and, where leaks are found, arrange for these to be repaired at no cost to the customer. As part of this service, higher-than-expected water usage may sometimes indicate a potential leak, which is why a water audit may be recommended.

We understand your concerns regarding how this was communicated and appreciate your comments. We aim to ensure that the purpose of our visits and services is explained clearly and transparently at all times.

We would welcome the opportunity to look into your experience further. Please contact our team directly with your details so that we can investigate the circumstances surrounding your interaction and address any concerns you may have: watersaving@controlflow.co.uk.

Beoordeeld met 1 van de 5 sterren

We did not receive prior notification…

We did not receive prior notification from United Utilities when an employee from ControlFlow turned saying we were using more water than we should be - we are fairly typical - and hustled their way on to our property, claiming to be from the utility to do our free water audit. We felt put on the spot and under pressure, including being made to sign something - we aren’t sure what - that we now suspect includes having flow control devices that we don’t want or need. Very unhappy with what appears to be high pressure sales.

26 mei 2026
Review zonder uitnodiging
Logo Control Flow Technologies Group Ltd

Antwoord van Control Flow Technologies Group Ltd

Hi John,

Thank you for your feedback. We’re sorry to hear that your experience left you feeling uncomfortable and under pressure.

Customers should always receive communication either from us or United Utilities before any visit takes place, so we are concerned to hear that this may not have happened in your case. We take comments like yours seriously and would like the opportunity to investigate what occurred.

A member of our team will be in touch directly to look into this further, understand the circumstances surrounding the visit, and work with you to resolve any concerns.

Beoordeeld met 5 van de 5 sterren

Control Flow visited our property after…

Control Flow visited our property after we received a letter, and they were very helpful and let us know what was happening during every step of the way.
They were extremely friendly and made us feel very comfortable! I can’t wait to see some potential savings on my utility bills!

27 mei 2026
Review zonder uitnodiging
Logo Control Flow Technologies Group Ltd

Antwoord van Control Flow Technologies Group Ltd

Hi Nicola,

Thank you so much for leaving this kind review. We are so pleased you were happy with your service and look forward to hearing about your savings!

Beoordeeld met 5 van de 5 sterren

Easy and quick process all done for…

Easy and quick process all done for free through my water company. Lovely plumber too!

14 mei 2026
Review zonder uitnodiging
Logo Control Flow Technologies Group Ltd

Antwoord van Control Flow Technologies Group Ltd

Hi Lewis,

Thanks so much for taking the time to write this review. We are so pleased that you were happy with your experience and we hope you see some great savings soon!

Beoordeeld met 1 van de 5 sterren

Coming to properties Unannounced!

I did receive an email regarding having a water test on my property. I assumed this would be optional ? I do appreciate you are trying to help. But I was disappointed when one of your employees came to my property on a Sunday which was a Bank Holiday. Unannounced!
I felt put on the spot a bit and harassed.
I did not request an appointment.

3 mei 2026
Review zonder uitnodiging
Logo Control Flow Technologies Group Ltd

Antwoord van Control Flow Technologies Group Ltd

Hi Neil,

Thank you for your feedback, and we are very sorry for the experience you had.

We do have auditors who visit properties to offer customers the opportunity to take up a free water audit service; however, this service is completely optional and not compulsory in any way.

We are very sorry that this left you feeling uncomfortable or pressured, as this was never our intention. As discussed when we contacted you directly, we appreciated the opportunity to address your concerns and hope we were able to resolve the matter for you. We can also confirm that your details have now been removed from all future communications regarding this service.

Beoordeeld met 5 van de 5 sterren

Really happy with the product and my…

Really happy with the product and my plumber was super informative and helpful. Considering this was a free appointment it was a no brainer!

21 maart 2026
Review zonder uitnodiging
Logo Control Flow Technologies Group Ltd

Antwoord van Control Flow Technologies Group Ltd

Hi Millie,

Thank you so much for taking the time to leave your kind review and we are so pleased that you are happy with the service we provided.

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