Start Your Price cost and Quote Here. If you are looking to open up your home in Wales with a glass extension, look no further than a conservatory or conservatory roof replacement from MPN Conservatory World Wales. Our experts are on hand to help you make the best decision for you and your home. You may have an existing conservatory that has past it’s best and you could be wondering what your refurbishment options are. Perhaps you are looking to install your first conservatory but are undecided on the styles or shapes that are available and would suit you best.