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205 Google reviews
1–2 days
Typical install time
Corstorphine Gas Services Limited is an MCS certified air source installer based in n/a.
Based in n/a, EH12 7JN
Areas served:
4.9
205 Google reviews
Based on verified Google reviews
Carolyn Gunn
Just had a complete ver small bathroom renovation. I love it. The guys were fantastic and the organisation went like clockwork. I have no hesitation in recommending CGS
rhona Coats
Had boiler replaced water pressure pump installed and replacement shower fitted. The service from start, including visit for estimate, to finish was excellent. Workmen were professional courteous and friendly keeping us informed as they went. Any issues quickly resolved. I would 100% recommend CGS and will certainly use them again.
Jenny Beattie
An excellent company. We have used for a full bathroom renovation and smaller jobs. Excellent tradesmen, really high quality work across plumbing, electrical, tiling and joinery and delighted with the end result. Very easy to deal with and well priced. (Pic when nearly finished)
Nicola Kyle
My experience with CGS has been exceptional from start to finish, and I couldn’t be happier with the results of my bathroom renovation. What truly sets this company apart is the professionalism, patience, and genuine care shown by every single person involved in the process. The journey began months ago with my initial meeting with Robbie, the bathroom surveyor, and this set the tone for the entire experience. Robbie was knowledgeable and took the time to listen carefully to all of my ideas. His advice was thoughtful, non-pushy, and clearly rooted in years of experience. He even returned closer to the project start date to talk me through the finer details again, which gave me so much peace of mind. Robbie is an absolute credit to the company. Before work even began, I also dealt closely with Lauren from the CGS office/admin team, and she was nothing short of exceptional. Every query, every thought, every moment of uncertainty—I always felt heard, never rushed. She explained options for sourcing materials and bathroom items in a level of detail that made the process so much easier. She also walked me through timelines, how my own trades would fit in, and the overall logistics with absolute professionalism. Her patience, understanding, and clear communication made the planning process a breeze. I had endless questions for Robbie & Lauren -truly endless—and they answered every one with patience and clarity. Once the project started, Matty was truly the star of the show. My mum kindly attended my home while I was at work, and she could not have spoken more highly of him. When we experienced the natural little blips that come with any renovation, Matty remained cool, calm, and completely reassuring. His plumbing skills are exceptional, and he carried out every aspect of the job with care and precision. He treated my home with the utmost respect, and I felt genuinely grateful to have someone so skilled and professional working on such an important project. CGS are very lucky to have him. Towards the end of the project we had more interactions with Kayleigh, and she also went above and beyond to help out! She was also very efficient and polite when communicating via email. I am very grateful for her help. I was also extremely pleased with the plastering and joinery work CGS arranged—both of which I will be reviewing separately. Their quality of work matched the high standard set by the rest of the team. Throughout the entire renovation, CGS checked in regularly and made sure everything was running smoothly. Their communication, professionalism, and commitment to customer satisfaction were consistent from beginning to end. If you are considering a new bathroom, don’t hesitate—CGS are the perfect company to trust with your investment. I cannot recommend them highly enough. My bathroom is now a space I’m genuinely proud of, and the experience getting here was smooth, stress-free, and handled by people who truly care about what they do. I’m a bit of a perfectionist, so it takes a lot to truly impress me—but the quality of this work exceeded my expectations.
audrey Mcgregor
Superb service from CGS - a crucial valve failed in our boiler system leaving us potentially with no hot water over the weekend. Mitch was able to attend quickly as was fortunately in our area on Friday. He efficiently replaced the valve and left the work area spotless and fully fixed. Many thanks, would highly recommend 👨🏻🔧
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We are MCS‑certified and registered with an approved consumer protection/competent person scheme, which is essential for quality assurance and to access grants like the Boiler Upgrade Scheme (BUS).
We carry out a detailed home assessment, including property type, insulation levels, existing heating system and available outdoor space, to confirm whether a heat pump is a good fit.
We design the system using a heat‑loss calculation for your home, then match the correct kW size and model (for example, air‑source vs ground‑source) so it runs efficiently and reliably.
Our fixed quote clearly lists the heat pump, cylinder, controls, labour, scaffolding (if needed), electrical work and any radiator or pipework upgrades, so you know exactly what you’re paying for.
Yes, as an MCS installer we can confirm your eligibility, apply for the BUS grant (worth up to £7,500) on your behalf and deduct it directly from your quote.
A typical air‑source heat pump installation takes around 2–5 days, and we’ll agree locations for the indoor and outdoor units, manage any planning considerations and keep you informed each day.
After the heat‑loss survey, we’ll advise if any radiators, pipework, electrics or hot‑water cylinder need upgrading so the system can run efficiently at lower flow temperatures.
Modern heat pumps are designed to be quiet and must meet UK noise regulations; we’ll position the unit to minimise any impact on you and your neighbours and comply with local planning rules.
You’ll get manufacturer warranties on the heat pump plus our workmanship guarantee, and we offer ongoing servicing and support to keep your system performing at its best.
We’ll estimate your likely annual running costs and potential savings based on your current fuel type, insulation level and tariffs, using real‑world performance data rather than lab figures.
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