D Cowan Domestic Plumbing & Heating
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D Cowan Domestic Plumbing & Heating
Boiler installations, central heating systems, boiler repairs, new bathrooms, bathroom refurbishments, gas certificates, and more. With well over a decade in hands-on experience in the plumbing and heating industry, we are here for you.

We're the number 1 choice for hundreds of happy customers all over Hampshire - providing general plumbing services, full or partial central heating installations, new boiler installations, boiler repairs and servicing - and all things gas.From leaky taps to bathroom refurbishments, gas certificates to gas appliance installation, our fully trained and qualified plumbers and engineers will provide as much help as you need.

We consider no job too big, and none too small, providing only the best quality customer services and workmanship. We provide service with a smile. Our team of experts have valuable knowledge and can offer a lot of advice, should you require it.
Services
Our engineers are fully qualified and Gas Safe registered which enables them to carry out all aspects of Gas Boiler installation, repair and maintenance work. Design and install of a complete new central heating system, replacing an old inefficient boiler, repairing a broken heating system or annual service of a working boiler - our engineers can provide advice and complete all works for you.
If you are looking for a new fitted bathroom, then D Cowan Domestic Plumbing and Heating can give your home that much-needed facelift. We are quality bathroom fitting and renovation specialists. From tiles to the actual fixtures and fittings, we will work to match your expectations through the use of high-quality products and design features.
Looking for the best plumbers in Hampshire? We're trusted by hundreds of returning customers because we offer a reliable, efficient and professional service. We can help complete your project no matter how big or small. We are experts in first fix pipe work and final fix for kitchens, bathrooms and heating projects.
This install was in a large property in Southsea. The property previously had a heat only boiler and gravity fed system with a shower pump to provide an adequate flow rate to the two showers. The pipe work was reconfigured and tidied substantially to allow space for a new system boiler and unvented cylinder to be installed meaning that pumps were no longer required and a further shower could be added to the property.
The owner of this property wanted a clean and fresh look to the bathroom but also wanted to still have bath and a separate shower. The existing shower enclosure encroached into the window area so we planned a new layout which utilised the space more efficiently. The cloakroom was also revamped, pipes were hidden and units installed to give a clean look throughout.
Reviews (10)
Rebecca Gennings
Rebecca Gennings
Nov 20, 2021
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Positive: Professionalism, Punctuality, Quality
Just had a boiler replaced.
5 out of 5 service.
Would definitely recommend
Dave Wyatt
Dave Wyatt
Jan 04, 2021
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Positive: Professionalism, Punctuality, Quality, Responsiveness, Value
Recently had a new boiler fitted. We received excellent service From the original contact to the work being completed. Would definitely recommend this company.
Stephen Neale
Stephen Neale
Oct 22, 2020
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Positive: Professionalism, Punctuality, Quality, Responsiveness, Value
Doug replaced my boiler and did a great job. On budget, on time, tidy and efficient.
Jay Popat
Jay Popat
Oct 21, 2020
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Doug has been excellent. He's fully replaced 3 boilers for us over 3 properties, as well as being on hand for smaller jobs as and when. Excellent service, no long waiting, and good price. Highly recommended.
Sue Knight
Sue Knight
Oct 16, 2020
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Highly recommend.No heating and Doug went in and resolved the issue immediately.He wouldn't take any payment for his time and travel.Definately would use again and happy to recommend his services
Service: Heating maintenance
Jenna Carpenter
Jenna Carpenter
Aug 21, 2020
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Positive: Professionalism, Punctuality, Quality, Responsiveness, Value
From start to finish, it was a delight working with Doug and his team. They are friendly and their work is of a high standard. Doug was flexible and was able to find a bathroom suitable for our needs and budget. I would recommend them to anyone!
Richard Morrison
Richard Morrison
Aug 12, 2020
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The whole process from the initial estimate to completion of the Work was professional.
The Job was completed in the timelines they indicated with all rubbish removed and the property left how they found it. I’d have no problems recommending D Cowan domestic plumbing and heating services...Great Job Thanks Doug.
Anthony Collins
Anthony Collins
Aug 06, 2020
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Doug and his team fitted an en-suite and family bathroom in 2.5 weeks. He was responsive to all of our requests, explained the process throughout and kept us to date with progress. They made a real effort to ensure we continued to have facilities available as much as possible. Very punctual and not afraid to put the hours in to complete the job. Trustworthy and honest company which we would highly recommend.
Amy Poulter
Amy Poulter
Jul 20, 2020
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Positive: Professionalism, Punctuality, Quality, Responsiveness, Value
Doug was very punctual, always communicated promptly, very professional and generally just did a great job.
Very happy with the service he provided. Would highly recommend.
Julie-Ann Gale
Julie-Ann Gale
May 03, 2020
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Positive: Professionalism, Punctuality, Quality, Responsiveness, Value
First class service. I had a new boiler fitted and this company provided a great service. They took their time to go through the ‘workings’ of the boiler and how to use the Nest app. Already recommended this company to friends. Thank you guys.