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.

Highlights, Specialties & Features

  • 24 hour locksmith and glazier service
  • One stop shop service
  • No high presured sales call out by senior manager who is not on commission
  • Never beaten on quality never beat on cost and never beat for service

Professional Associations & Certifications

  • Fensa
  • Trustmark
  • Network Veka member
  • 10 year insurance backed guarantee

Serviced Areas

  • Cardiff, Barry, Penarth and South Wales

Payment Options

  • Financing available - currently 0% subject to status, Cheque, Credit card

Contact Details

  City Cardiff
  Postcode CF11 8AP
  Address Unit 2, Leckwith Road
  Phone Number 029 2050 8770

Products & Services


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

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.


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.

Customer Testimonials

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.