Sofits, Guttering & Decking


We also install sofits and guttering to your property.

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uPVC Windows and Door fitting specialists for North/Mid Wales

As Fensa registered window and door specialists, Evans Building Plastics Ltd offer a huge range of uPVC windows and uPVC doors to suit various applications as well as uPVC Porche and uPVC conservatory installation throughout Anglesey, Chwilog, Dolgellau, Ffestiniog, Machynlleth, Penrhyndeudraeth, Pentrefoelas, Porthmadog, Portmeirion, and surrounding areas. So, if you require a replacement double glazed window or a repair to your existing windows, do not hesitate to give us a call as each project is tailor-made to suit our customers and their homes perfectly, ensuring the highest levels of craftsmanship and customer service.

uPVC Window Fitter North Wales

We install energy-efficient uPVC windows ranging from casement windows, tilt and turn windows, Georgian window to sliding sash windows, we also offer some of the most competitive quotes in the North Wales area. Quality windows suitable for commercial and domestic applications which will increase the thermal efficiency of your home, combining good, solid quality workmanship with style and durability, resulting in a quality, lasting product

uPVC Door Fitters

We offer a wide range of doors - our front doors and back doors are the first choices for homeowners in North Wales and our decorating services cover the whole of Wales. Clients looking to replace draughty and outdated wooden doors. As local, trusted window and door specialists, Evans Building Plastics Ltd boasts a range of doors suitable for various applications. - choose from Entrance, French, Bifold, Sliding and Commercial doors.'

Our range of replacement doors offers total peace of mind, combining all the advantages of low maintenance and high levels of security.

Why choose Evans as a uPVC Window fitter?

We can help with projects for double glazing, large or small window & door installations offering competitive pricing and a range of upvc doors & windows to suit all budgets.

Window Fitting North Wales

Supply and Installation Services
A supply only or a supply and installation service for all our customers (including Rationel windows)

Quality PVC cladding Installations and Reliable Services

If you have warped PVC cladding or rotten timber cladding, then our qualified fitters will be able to refurbish your home, with fresh, new PVC cladding which will last long into the future. If you are looking for window fitting, door fitting and double glazing in North Wales, please get in touch for more details.


Benefits of Double Glazed Windows

  • Warmer in Winter
  • Cooler in Summer
  • Reduces the Amount of Condensation
  • Reduction of Noise
  • Property Value Increased
  • Reduces Interior Fading Damage 

Hi, I live in the Ffestiniog area north Wales, and for ten years I had been looking for a reliable builder. I was recommended Evans building plastics by my daughter.

I've now used Evans for many years. I would recommend them to anybody, and I've recently had new windows and new roof by them.

They have very good workmanship and are very neat and tidy.


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