MPN Cardiff Double and Triple Glazed Glazing Sales and Service

As a trusted FENSA installer of Double Glazing in Cardiff including Barry, Penarth & South and Vale of Glamorgan, MPN Windows South Glamorgan are an award-winning company specialising in conservatories, PVC windows, PVC doors, bi-fold doors, composite doors, french doors, patio doors and roofline. A family company where quality and customer service are paramount. Serving local customers in South Wales from Cardiff to Swansea, Bridgend to Barry since 1994.


MPN Windows has over 26 years experience in the double glazing industry. We offer a wide range of windows, from your standard size to bespoke orders, right down to double glazed sash windows. We can supply your windows, or have one of our professional double glazing installers fit them for you. Read more


First impressions matter! We’ll help you select the ideal uPVC, composite or aluminium front door for your Cardiff home. We also offer a large selection of uPVC french & patio doors available in various colours to suit your needs. Our doors are fitted with the latest high-security hardware to ensure peace of mind. Read more…


MPN Windows Cardiff UPVC conservatories are specially designed to fit your exact specifications. Whether you want a conservatory for a garden room, breakfast room, or playroom you’ll soon come to realise that it is truly a space for all seasons and you will wonder how you ever managed without it! Read more…


Add a refined touch to your Cardiff home with our high-quality aluminium products. From sleek and stylish aluminium windows to durable and energy efficient aluminium bi-folding doors, we have the products to suit your home. Our RAL colour matching service allows you to create the perfect windows and doors. Read more…

The most secure composite door available

At MPN we offer one of the largest composite door ranges – from ultra-modern contemporary designs to traditional stable doors, we have the ideal door for you all made to measure your specifications. So if you want to stand out from the neighbours, speak to us about creating your own unique door specification. Read more

Create light and space under one conservatory roof

If you are thinking of a new conservatory or replacing the existing polycarbonate or glass roof on your existing conservatory our new insulated tiled conservatory roof is the perfect solution which is the latest innovation in conservatory roofing. Read more…