Endorsed by Which?

Cahill Renewables

5.0

45 Reviews

Opening Hours
Today - 09:00–18:00
  • Monday 09:00–18:00
  • Tuesday 09:00–18:00
  • Wednesday 09:00–18:00
  • Thursday 09:00–18:00
  • Friday 09:00–18:00
  • Saturday - Closed
  • Sunday - Closed

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After undergoing rigorous assessment to become endorsed, every Which? Trusted Trader agrees to our Code of Conduct. This gives consumers the reassurance that they have the best possible protection and adds an extra layer of security to ensure best practices and procedures are followed. Which? fully investigates any breaches and will take any necessary action to ensure consumer protection.

About

Your local solution to global problems.

Our goal is to 'renew renewables' with our hands off approach. Remote quotations from expert home energy consultants until you're ready for a survey.

Reach out to us on 01206 646664 to have a quote within the hour and reduce your electricity bill by up to 80%.

What we do

  • Renewable energy

    • Air source heat pumps
    • Ground source heat pumps
    • Home energy analysis
    • Solar Panel Maintenance
    • Solar panels
    • Solar water heating
    • Domestic wind turbines
  • More Services

    • battery storage
    • solar batteries

Customer reviews

Why you can trust these reviews

All reviews are verified as being genuine and a true customer of this trader.

How can we be so sure?

100% of the reviews we publish have been through our stringent moderation process.

5.0
45 reviews
Customer Service
5.0
Quality
5.0
Value
4.9
Sort by
Highly professional and skilled
Customer Service
Quality
Value
Cahill Renewables installed a large solar installation of 28 PVs and solar edge battery/inverter at my home. Initially recommended by a neighbour, they quickly drew up a draft design based on the google earth details of the house. They then arranged for an on-site survey which supported their initial design. At this stage they were able to finalise the estimate of cost to include the scaffolding and ground works. While not cheap, I considered the cost reasonable. During this stage of the process, they were very responsive to queries, and to carrying out (small) iterations of the specification. We agreed a date for installation. The day before installation their scaffolding contractors arrived, set up the scaffolding and the next day the installation team of 2 turned up. They worked solidly for two days, solving a number of unanticipated challenges along the way. They had a very professional 'can do' approach, and by the end of day 2 the installation was up and running. The following day some set-up was needed with the Solar Edge software, which the team at Cahilll did efficiently, making sure to communicate clearly what was happening. Two days later the scaffolding contractors returned to remove the scaffolding. Considering the size and complexity of the task, it was carried out with minimum of fuss, tidily and professionally. My electricity costs have dropped by over eighty percent in the three days since installation. Well done, Cahill team!
Customer in Kent Posted on 23/07/2023 , work completed 23/07/2023
Cahill Renewables delivered as promised
Customer Service
Quality
Value
Our 6kW solar pv and battery system was installed by Cahill Renewables on 8th June 2023. Before deciding on Cahill, we sought many more than the recommended three quotes and by the time I spoke to Office Manager Joe I was getting thoroughly confused by the variations in proposed designs, components and costs. Joe’s patient explanations gave us confidence to choose theirs over similarly priced quotes, plus we wanted a local East Anglian company that specialised in all renewables, not just installing solar panels. Once the installation was done, on the promised date, they immediately provided the necessary MCS Certificate and DNO approval letter so we could export energy to the grid. In the first four weeks of operation, solar and battery power provided almost all our needs and we exported over 1 megawatt. Such is our confidence in Cahill Renewables that both our immediate neighbours are having their installations this week.
Customer in Suffolk Posted on 17/07/2023 , work completed 08/06/2023
Solar Panel Installation
Customer Service
Quality
Value
We were recommended Cahill Renewables by our friend and neighbour who had recently had some Solar Panels installed and we too would have no hesitation in recommending them. Our first introduction was with Joe who answered all our technical questions expertly with enthusiasm and no big sales pitch. The whole team was very approachable and knowledgable and the whole project from start to finish was smooth and stress free. We now look forward to generating and storing our own clean power.
Customer in Hertfordshire Posted on 29/06/2023 , work completed 05/05/2023
Solar Panel Installation
Customer Service
Quality
Value
We were recommended Cahill by a friend. The team have been so friendly and knowledgeable right from the start. Never a problem getting an answer on the phone and all our many questions answered throughout the process. The installation date was booked at our convenience and all times were kept to. The team arrived and completed the installation in a day, once installed we had a lesson in how to set up the app etc. Few hours later another call from the office to make sure all ok. We have no hesitation in recommending this company.
Customer in Hertfordshire Posted on 08/06/2023 , work completed 06/06/2023
Excellent service, on time, exactly as promised
Customer Service
Quality
Value
I chose Cahill after checking the "Which" reviews. From start to finish I have been completely satisfied with the communication, explanation and delivery of what was promised. The system was up and running in just over half a day, with no fuss and no mess. We have just had our first full day "off grid". The price was very good, especially in view of the overall quality. No hesitation in giving Cahill full marks.
Customer in Hertfordshire Posted on 07/06/2023 , work completed 05/06/2023
Integrity, Quality and Attention to detail - Superb job!
Customer Service
Quality
Value
We looked at several companies when considering our Solar installation. The key reason for us to select Cahill was the quality and manner of the interactions we had with Shane, the salesman who replied to our enquiry. At no stage were we put under any pressure, indeed He advised us when not to spend money as we wouldn't get the benefits from it. In terms of value, it was extremely competitive but extremely good quality, so the value was clear. Additionally, Cahill make a big thing about Ethical Sourcing and wanted to ensure that we had kit which was high quality and ethical. The quality of this interaction continued as we spoke to the directors and sub contractors who managed the install. They were very approachable and made good suggestions to improve the install. The sparkies were especially commendable and the quality of the install was superb. After sales service has also been superb and very responsive. We have already been delighted with the solar install and have saved significant amounts in just the first week. We would wholeheartedly recommend Cahill in every manner Great Integrity, attention to detail, quality, ethics, value and responsiveness Thank you!
Customer in Essex Posted on 18/05/2023 , work completed 13/05/2023
Excellent service
Customer Service
Quality
Value
Not necessarily the cheapest but but the whole process went without any hitches. Everything is working well. The electrician overcame problems routing the cabling to the inverter and battery so its all invisible.
John in Cambridgeshire Posted on 17/05/2023 , work completed 05/05/2023
Good Product knowledge
Customer Service
Quality
Value
It was very easy to deal with Cahill, from start to finish. Installation went smoothly on the chosen date. All trades knew what to do and the job was completed with the minimal of fuss
Customer in Essex Posted on 19/02/2023 , work completed 10/02/2023
Solar PV & battery install
Customer Service
Quality
Value
My conservatory makes it difficult to erect scaffolding on to get access to my west facing roof. Numerous solar companies had told me it wasnt possible to put scaffolding up without putting legs into the neighbouring property which was not an option for me. Cahill Renewables took a look at the space they had to work in, consulted their scaffolder who said they could put up the scaffolding without needing the neighbours garden and got it done with no problems. The rest of the install went ahead with no problems. The staff are friendly and have provided brilliant customer service to me. I would recommend them to my friends.
Customer in Hertfordshire Posted on 15/02/2023 , work completed 26/10/2022
Great work and great communications
Customer Service
Quality
Value
I chose Cahill after reviewing many review sites and I can honestly say their customer service and their installation teams are excellent. From the initial phone call with Joe in the office discussing the technicalities of the solar panels, the inverter and the battery system they addressed all my technical questions expertly. There was no big sales push, once I received the quote, they let me decide in my own time and I had to approach them to place the order! Coordination and communication from George were excellent from when the scaffold would be erected to when the engineers and roofers would arrive. On-site discussions with their electrical install team (Ken) were clear and they understood my requirements with respect to cables being in trunking and the colour of the external conduit etc. Their installation is exceptional, and their communication exceeded my expectations, and I would highly recommend them to anyone looking to install solar on their property.
Customer in Hertfordshire Posted on 17/01/2023 , work completed 05/01/2023