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MPN PVC Windows Doors and Conservatories MPN home improvements have been established for over 20 years and is renowned in Cardiff and South Wales as the number one supplier of high quality home improvements such as uPVC doors, double glazing, garage conversions, conservatories, solar panels etc.

We are a family run company with over 20 years spent in the industry.

We provide free, no obligation quotes and offer a price match promise on ony like for like quote - we don't have commission based sales staff which is one of the main reasons why MPN is now a market leader in the upvc and home improvements field.

The quality and pricing of MPN's double glazing windows has enabled them to satisfy more Cardiff customers than many of their competitors, giving them many recommendations too.

We are Fensa registered Trust Mark approved and provide a comprehensive insurance backed guarantee on all of our work.
Served areas
  • Cardiff, Barry, Penarth and South Wales
Highlights and features
  • 24 hour locksmith and glazier service
  • One stop shop service
Associations and certifications
  • Fensa
  • Trustmark
  • Network Veka member
  • 10 year insurance backed guarantee
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Services
Conservatories
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We offer the widest range of conservatories and orangeries at the best prices, supplied and installed by our award winning team in the Cardiff, Penarth and Barry area. We have several of our most popular conservatory designs on display in our Cardiff Showroom.
PVC Doors
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MPN install PVC doors throughout Cardiff and South Wales and surrounding regions and offer a wide variety of door styles which are all individually made to measure for each South Wales customer. All our upvc doors are available in many different styles and colours. To finish the door off we also offer a range of leaded and beveled glass.
Windows
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With MPN's double-glazed windows, maintenance becomes a thing of the past. Our super-tough UPVC frames employ the very latest in replacement window technology and are guaranteed never to warp, rot or pit. At MPN we believe that every home should be free from outside noise and draughts while offering security and comfort, this is achievable with upvc windows fitted by our skilled installers.
Reviews (16)
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M. I.
May 22, 2022
Amazing service very professional firm from the order to the fitting blissful I recommend them to anyone, good quality product too thanks MPN
Michelle Gallagher
Aug 04, 2021
Well what can I say we have just had 12 windows and 2 doors plus a new tiled conservatory roof off MPN. From the first phone call to the fitters turning up to do the job everything was completely flawless. We have already recommended MPN to family and friends and would like to thank them for doing a first class job.
Michelle Gallagher
Jul 08, 2021
Well what can I say we have just had 12 windows and 2 doors plus a new tiled conservatory roof off MPN. From the first phone call to the fitters turning up to do the job everything was completely flawless. We have already recommended MPN to family and friends and would like to thank them for doing a first class job.
Taela-Mae Davies
Jun 16, 2021
We used MPN Windows a few years for the back of the house, they were fab then so we went with them again for the front windows and door. They are amazing and we are so pleased with them. MPN are all quick and helpful with their communication and the work by the fitters was an excellent standard. I would definitely recommend MPN to others.
Wilf Box
Jun 05, 2021
I decided to use MPN Windows because of their quality of work, the price and the fact they make their own windows. I was not disappointed. I had two sets of French windows, a single window, one door and six openers on the same run in my garage. James was the fitter and from the start to the end nothing was a problem. Everything was done the proper way. He was there to do the job as if he was installing it in his own house. Very happy with the whole process and will use them again
Linda Mills
Apr 02, 2021
Had new conservatory built. Dan and his mate worked very hard in freezing cold weather to remove an old timber built conservatory and errect a new pvc one. We also had some broken down units replaced and wheel chair access to finish the job off nicely. The boys worked really well and were professional at all times. I wouldn't hesitate to recommend Mpn windows to anyone. Well done Mpn we are very happy with the end results. Linda & Tony mills
Tim Williams
Feb 18, 2021
Had new composite door and three windows fitted today, first class service from fitters also easy company to deal with. Would recommend.
Turd Whacker
Jan 28, 2021
MPN provided a fantastic end to end service during the replacement of my conservatory roof. I requested a quote late one evening and received a call back the next morning. We had a quick discussion on what I was looking for and arranged a time for the Sales Rep to attend the house. The Sales rep was well prepared with samples and brochures, knowledgeable and happy to discuss the various roof options.

There was no hard sell or any pressure, just a quote and an offer of their contact details if I had any questions. I accepted the quote as it was competitive but also priced a proven and quality product. Throughout the lead up to installation I was kept updated by the office team and a mutually convenient installation date was agreed. The installation team arrived punctually on the date stated, introduced themselves, discussed what they were going to do and got to it minutes later.

I'm not one to watch work on my house, I leave it to the professionals, but the installation team called me through to view the process, so I had an understanding on what was being done. The work was done in the time scale quoted and the end of each day the work area was left clean and secure. By day two I had my new roof, complete with replacement guttering.

Over the next few days the internal work was completed with new insulation installed; the insulation exceeded building regs so my build not only remained compliant but is more economical to heat. Plastering was next and was organised with the same good communication. Once again the quality of work was fantastic. If you want a well-managed piece of work performed by friendly professionals MPN are a great bet. I am extremely happy with the process and product, faultless!
Matthew Emanuel
Dec 28, 2020
Recently had a full house of windows and 2 doors fitted by MPN. Very professional from start to finish and excellent value for a high quality product. No pressure to buy unlike many other companies that quoted us. Would definitely recommend.
Heather Handley
May 12, 2020
Recently had 6 windows and 2 doors from MPN. Absolutely fabulous service. From the initial telephone call to the installation of the windows and doors. Very helpful in explaining everything from the cost to the fitting. Came on the date they said they would and caused limited disruption to the household. Would recommend that you contact them if you are thinking of having doors or windows fitted.
Taryn Considine
Mar 04, 2020
I had a composite door fitted by MPN in 2016 and recently we had an issue with the lock sticking making it very hard to open and lock the door. I contacted MPN and they arranged for someone to come out the same day and they changed the barrel and supplied us with new keys, all within 25 minutes. Absolutely amazing customer service and would recommend to everyone and will use again in the near future.
Katie Smith
Sep 01, 2015
We had our four front windows replaced by MPN with new energy efficient A rated windows and they are great. They have made a huge difference to our property and have transformed our home. From the MD down to the installation teams this family run company are professional and efficient
Heather Handley
Recently had 6 windows and 2 doors from MPN. Absolutely fabulous service. From the initial telephone call to the installation of the windows and doors. Very helpful in explaining everything from the cost to the fitting. Came on the date they said they would and caused limited disruption to the household. Would recommend that you contact them if you are thinking of having doors or windows fitted.
Linda & Tony Mills
Had new conservatory built. Dan and his mate worked very hard in freezing cold weather to remove an old timber built conservatory and errect a new pvc one. We also had some broken down units replaced and wheel chair access to finish the job off nicely. The boys worked really well and were professional at all times. I wouldn't hesitate to recommend Mpn windows to anyone. Well done Mpn we are very happy with the end results.
Matthew Emanuel
Recently had a full house of windows and 2 doors fitted by MPN. Very professional from start to finish and excellent value for a high quality product. No pressure to buy unlike many other companies that quoted us. Would definitely recommend.
Mrs Baker
We had MPN in after a recommendation and they replaced the existing wooden windows and doors in my whole house. The price and service we had from MPN was excellent.