Control Flow Technologies Group Ltd Recensioni 

43
TrustScore 3 su 5

3,1

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Valutata 5 stelle su 5

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 a... Leggi di più

Valutata 1 stelle su 5

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.... Leggi di più

L'azienda ha risposto

Valutata 1 stelle su 5

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 m... Leggi di più

L'azienda ha risposto

Valutata 5 stelle su 5

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... Leggi di più

L'azienda ha risposto

Dettagli dell'azienda

  1. Grossista di prodotti per il controllo del flusso

Scritti dall'azienda

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.


Informazioni di contatto

3,1

Nella media

TrustScore 3 su 5

43 recensioni

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Ha risposto al 78% delle recensioni negative ricevute

Solitamente risponde entro 1 mese

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3,1

Tutte le recensioni

(43)

29 recensioni negli ultimi 12 mesi

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Valutata 1 stelle su 5

Turned up unannounced saying here to…

Turned up unannounced saying here to fit device on water meter. Had had no prior information and kept talking at me. I ended up letting him in and he did something to my taps. I was trying to wfh at the time and felt completely derailed. I told him that I needed to think about things and he gave me a qr code to scan.
Not surprised to see such a low trust pilot score.
I'm actually fuming now as we have a trading standards sticker on the door saying no cold callers which he completely ignored. Having a name badge does not exempt you from being a cold caller if you don't have an appointment. Even if they saved me £1000 on my bill I don't want this company anywhere near me.

23 febbraio 2026
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Risposta di Control Flow Technologies Group Ltd

Hi there,

We are very sorry about your recent experience with us, this is not the service we aim to provide to our customers.

We work directly with many of the UK water companies, and your water company will be someone we work with. As part of this project, the goal is to help customers save on their utility bills by having a Water Audit carried out and potentially installing a water-saving device for free (as this is funded by your water company).

Our auditors are trained to visit properties to offer this free service; however, you should also have received a letter or email from us prior to any visit.

Your details were provided to us by United Utilities, as they identified that your property may benefit from one of our water-saving devices as part of their water efficiency programme.

This service is completely optional, and you do not need to go ahead with it, and we are very sorry if you were made to feel pressured. If you could contact us directly with more information, we will look into this to ensure it does not happen again.

Email: watersaving@controlflow.co.uk

Phone: 0800 783 7007

Valutata 5 stelle su 5

Great product and service. Recommended


 
"I recently had a free water audit carried out after receiving an email from my water company. It explained this could help me save on my bills so I thought why not. The appointment was super quick and easy, and I did have a water-saving device installed by a very friendly plumber. I couldn't recommend this service highly enough

30 gennaio 2026
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Risposta di Control Flow Technologies Group Ltd

Hi Debbie,

Thank you for taking the time to leave such a lovely review. It means a lot to our team to know we made a positive difference, and we can't wait for you to see the benefits of our device at your property!

Valutata 5 stelle su 5

Great experience

Great service. Control Flow person named Shaun arrived on time, was helpful explaining everything then checked for leaks and fixed a dripping tap in our downstairs toilet. He installed the water saving device in less than 45 minutes. Looking forward to seeing the reduction in our water bill.

18 febbraio 2026
Non scritta su invito
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Risposta di Control Flow Technologies Group Ltd

Hi Edward,

Thank you for your kind review. We’re pleased to hear Shaun provided clear explanations and completed the installation efficiently.

We really appreciate your feedback!

Valutata 1 stelle su 5

Two guys knocked on the door saying…

Two guys knocked on the door saying they were from United Utilities, my house had been flagged as high water usage and they needed to come in and take a meter reading. The meter had been read a few days ago, my water usage is as low as it's possible to get, the guys were in unbranded high viz. I sent them on their way, to be told I should let them in next time. Called United Utilities. They hadn't sent them. So called police who conducted enquiries and tracked them to this company. They had my name, data breach, and lied through their teeth to try to enter my home. GMP are aware and United Utilities will be getting complaints.

27 gennaio 2026
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Risposta di Control Flow Technologies Group Ltd

Hi Paul,

Thank you for bringing this to our attention. We are very sorry for your experience. Our aim is to make all of our customers feel comfortable when we visit a property, and we want to make this right.

We work directly with many of the UK water companies, and United Utilities are one of our partners. As part of this project, the goal is to help customers save on their utility bills by having a Water Audit carried out and potentially installing a water-saving device for free (as this is funded by your water company).

We are sorry that you were subsequently advised that the visit had not been arranged by United Utilities. We understand how confusing and concerning that must have been. We can assure you that we do undertake authorised work in partnership with them.

We would also like to reassure you that we do not access or obtain customer information unlawfully. Our teams are expected to always carry identification and clearly explain who they are, who they are working on behalf of, and the purpose of their visit. We also fully respect that no one is ever obliged to allow entry if they feel unsure.

We are reviewing this matter internally to understand exactly what happened in your case, as this does not reflect the standard we expect. Your feedback is extremely important in helping us improve.

If you are able to contact us directly with any further information, we will look into this as a priority.

Email: watersaving@controlflow.co.uk

Phone: 0800 783 7007

Valutata 1 stelle su 5

A ' NO SHOW ' by Control Flow

Like the previous poster I've had a similar experience with Control Flow failing to attend an appointment. Utterly disgraceful. No call, text or email of apology - nout!
I arranged the appointment on the phone and was informed that 'someone' would be visiting my property between 9am - 1pm today 28th/ 01/26.
I've waited in all morning only to hear NOTHING! At least Cenergist turned up last time.
United Utlities will need to sit down and check the integrity of the companies they are recommending. Someone in high office hasn't done their homework- please monitor the failed appointments or as in my case the 'No Show.'
United Utilities may want customers to save water but customers need to save time aswell. I've wasted 4 hours this morning. Unprofessional and 'casual' to say the least.

28 gennaio 2026
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Risposta di Control Flow Technologies Group Ltd

Hi Marian,

We’re really sorry that we missed your original appointment, we completely understand how frustrating and inconvenient that must have been. We will be looking into this further, as this not the level of service we aim to provide for our customers and want to fix this for you immediately.

We would love to rearrange your appointment and book you in on a date and time that is convenient to you, if you still wish to go ahead with it. Could you please let us know your contact details, and one of our team will contact you ASAP.

You can also contact us directly by email (watersaving@controlflow.co.uk) or call us on 0800 783 7007, and we will help sort this.

Valutata 1 stelle su 5

Don’t waste your time!

United Utilities contacted me several times encouraging me to book a free water-saving visit with Control Flow. After being contacted in person and multiple times by email, I eventually went ahead and booked an appointment online. I received a confirmation and arranged my day around it.

On the day of the visit, nobody turned up. There was no cancellation, no email, no phone call and no apology, nothing at all. I was left waiting in for an appointment that simply never happened, which was a complete waste of my time.

If appointments can’t be honoured, the least customers should expect is basic communication. Very disappointing experience.

26 gennaio 2026
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Risposta di Control Flow Technologies Group Ltd

Hi Samantha,

We’re really sorry that we missed your original appointment, we completely understand how frustrating and inconvenient that must have been. That’s not the level of service we aim to provide.

I’m pleased we were able to get in touch with you and rearrange the appointment at a time that works better. We truly appreciate you giving us the opportunity to put things right.

If there’s anything further you need before the new appointment, please don’t hesitate to reach out directly. We look forward to resolving this for you.

Valutata 1 stelle su 5

Company made appointment

Company made appointment, but never turned up

19 gennaio 2026
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Risposta di Control Flow Technologies Group Ltd

Hi Janet,

We’re really sorry that we missed your original appointment, we completely understand how frustrating and inconvenient that must have been. This not the level of service we aim to provide for our customers.

Our team has recently been back in touch to try and rearrange your appointment, but we understand this isn't something you would be interested in right now and can only apologise for the inconvenience this has caused.

If you do change your mind, and would like to book back in, please contact us directly by email (watersaving@controlflow.co.uk) or call us on 0800 783 7007, and we will help sort this.

Valutata 1 stelle su 5

Very disappointing customer service

Very disappointing customer service. I was pressured into installing a control valve in just one day, with the promise that they would respond immediately if any issues arose. From an hour after installation, I began contacting their customer service team — they took down the details but never followed up or resolved the problem. It’s clear they are focused solely on pushing more installations to generate revenue from the water company, with little to no concern for the customer issues.

21 novembre 2025
Non scritta su invito
Valutata 1 stelle su 5

Home Visit

A Cenergist operative came to my home following referral from United Utilities.
Complete waste of time.
Was here for about 15 minutes.
All he did was alter the flow to my taps which I altered back again after he left because there was so much noise due to the restriction of the flow coming through.
Think I had more knowledge of how a house water system works than he did

4 agosto 2025
Non scritta su invito
Valutata 5 stelle su 5

ControlFlow Experience

The engineer (Cole) who contacted us was a consummate professional, courteous and respectful of the property, who explained the product and its benefits clearly and well. His review was detailed, after which he proceeded with the installations as appropriate without any oversight from me. The time for installation was less than an hour, very impressive, and he also was mindful of any water spillages, which showed enormous consideration, again a sign of his professionalism.

I am eagerly looking forward to my reduced water and gas bills!

11 marzo 2024
Non scritta su invito
Valutata 5 stelle su 5

Great Product and Professional Service

Very professional service from start to finish. The engineer was very polite and explained the products and benefits very well. The install was quick and easy -no mess. Looking forward to my reduced water and gas bills.

26 febbraio 2024
Non scritta su invito
Valutata 5 stelle su 5

Water Saving

I was contacted by an engineer who explained we could have a device fitted to our water meter to reduce the flow, and save us money. A date was arranged, and the device fitted. The flow has been reduced, but not so it impacts general use. If it helps to save the amount of water used, and cuts my water bill, then it's a win win.
The engineer was professional, friendly and I'm pleased to have had the device fitted.

10 luglio 2023
Non scritta su invito
Valutata 5 stelle su 5

Knowlegable experts to save you water

Its imporant to me to reduce impact and conserving water is one of my aims. Control Flow came to my house on time as booked, did a survey and took some measurements, and ran me through some options to save water. They showed me what the likely savings would be (around 60L per day). Then they quickly and neatly made the changes. They were tidy, considerate and friendly. I'm delighted with the results.

3 marzo 2023
Non scritta su invito
Valutata 5 stelle su 5

High Quality Products, Professional Service, Great Savings

Given the cost of living crisis, I’ve been looking for ways to reduce our household bills and be as efficient as I can be. We’ve also recently brought a lovely baby girl home so we are conscious that we will be using more energy and water than we are used to. I contacted Control Flow earlier this year to arrange for an engineer to visit to give us some advice on what products may be suitable for our property. An engineer named Kristian attended. It was so straight forward. As I’m on a water meter he advised that he could install a product in the meter chamber outside so we wouldn’t have anything visible in our property and he wouldn’t need to cut into any pipework. The installation took about 25 minutes and he gave us some advice on how to maximise our savings. I’ve been monitoring our usage through meter readings and we are seeing some great savings. Can’t wait to see how much we save financially. Highly recommend!

3 febbraio 2023
Non scritta su invito
Valutata 5 stelle su 5

A very smooth and mess free service

Great service from start to finish, everything was explained in great detail. the plumber who attended was pleasantly polite and professional! A fantastic little device which has already shown to do exactly what it is said to!

23 febbraio 2023
Non scritta su invito
Valutata 5 stelle su 5

Fantastic service and great products!

Fantastic service and great products! The online booking service was straight forward and easy to follow. The installer on the day was very polite and knowledgeable about the products he was installing in my property.

21 febbraio 2023
Non scritta su invito
Valutata 5 stelle su 5

Great service

Great service! Professional from start to finish and explained everything.

My bills have also noticeably reduced!

28 gennaio 2023
Non scritta su invito
Valutata 5 stelle su 5

Great service from start to finish

Great service from start to finish. We had Cole come and install the device to save water from our shower and taps!

He thoroughly explained what he was going to be doing, which products he was going to use and how they reduce water consumption.

The install was quick and efficient and only involved a short duration with no water.

Overall there doesn’t seem to seem be a difference in water service, so all there is now is to save water and money!

20 gennaio 2023
Non scritta su invito
Valutata 5 stelle su 5

Great product, great customer service

Effortless install, minimal/no disruption to water service. Professional customer service, very clear explanations of what was being done and why. No discernible difference in water service since install. Looking forward to the cost savings!

20 gennaio 2023
Non scritta su invito

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