In England and Wales you will not usually require planning permission, provided you do not exceed the permitted development limit for your property (which is 50-70 cubic metres, depending on where you live). Notable exceptions to the above are listed buildings and conservation areas. Generally speaking conservatories/sunrooms on residential property are exempted under Building Regulations.www.cosyliving.co.ukStyle Garden Centre/Port Rd Wenvoe, CF5 6AD

A well built conservatory can compliment your house and at the same time add value. Let us guide you from start to finish and you wont be disappointed. You can relax in your new conservatory and enjoy your garden all year round. Capital UPVC Limited was formed by 4 men who between them have over 50 years experience in the window industry.www.capitalupvc.comUnit 1/Templar Park /East Moors Rd, CF24 5EW

Magical Conservatories and Windows Ltd. is based in South Wales and is owned by John Govier. Previously, he was a partner at Merlin Windows Ltd. and prior to that, he spent 4 years with South Wales Aluminum & PVC Windows Ltd. John has over 21 years of experience in all aspects of the industry ranging from the actual manufacturing of units, the installation of conservatories, windows, a wide range of doors to customer liaison.www.magicalconservatoriesandwindows.co.uk36, South Rise, CF14 0RH

Manufacturers and Installers of Hi PVCu windows, doors, conservatories, porches e.t.c. MR Windows (Cardiff) Ltd is well established in South Wales with over 25 years experience. We have very experienced and helpful sales consultants and technical support is available. 10 years Insurance Backed Guarantee available on all our products.www.mr-windows.co.ukUnit 5 & 6, CF5 5NJ

Excalibur windows specialise in designing bespoke conservatories, porches, and installing energy efficient double glazing windows and doors in PVC. With over 20 year experience, you'll get useful advice from the most helpful and professional people around - free and without obligation! Choose excalibur windows, we guarantee you won't be disappointed.www.excalibur-windows.com56 Pinecrest Drive, CF14 9DW

If you like sitting in your garden then make it possible all year round with an essential conservatory, Edwardian, Victorian, P-shaped and Lean-to, that's just some of the styles available which will enhance any home and garden. With many roof options available of glass and polycarbonate the choice is yours. Whether you choose a conservatory that sits on a dwarf wall or to the floor.www.essentialglazing.comKubair, Bridge Rd, CF3 6UY