The art of glass house gardening evolved with the emergence of the conservatory as its most glorious manifestation. The conservatory was conceived as an attempt to marry the grand glass house with the grand Victorian home by following its architectural lines. These buildings of status were relaxed yet elegant rooms containing decorative plant specimens collected from around the world.www.oakleafconservatories.co.ukKettlestring La, YO30 4XF

Orion Windows based in Yorkshire specialise in conservatories and double glazing windows and doors in PVC. We offer expert advice from the most helpful and professional people around - free and without obligation! We guarantee you'll be impressed with our huge product range and quality service.www.orion-windows.co.ukClifton Ind Est/Audax Rd, YO30 4US

We are a York based company with over 18 years experience in supplying and installing quality windows, doors and conservatories. Backed by our 10 year guarantee it's easy to see why the majority of our work comes through personal recommendations. All our windows, doors and conservatories are manufactured in PVCU to the highest possible standards and feature the most up to date security features.www.square-deals.com19-20 Auster Road, YO30 4XA

John Webster started out in a small workshop in Elvington as a sole trader, producing purpose-made joinery for the public and building trade alike. A lot of products were manufactured by hand, from rough saw timber to a high quality finish, using limited machinery. We still employ these same traditional methods today.www.jwebsterjoinery.co.ukElvington Ind Estate, YO41 4AR

Minster Windows Ltd provides a comprehensive range of conservatories custom made to suit every style and shape of property. We can deal with the local authority if planning permission is required. We handle all aspects of building work, electrics, plumbing, heating, air conditioning, lighting and telephone sockets, and the installation of floor coverings which can be selected from our range of ceramic tiles, timber and laminate flooring.www.minsterwindows.com8, YO41 4XW