Thornton's is a family company in the true sense of the word, 7 members of the family involved which span 3 generations. Mr Alec Thornton who originally started the company is proud to have 3 out of his 4 children working actively in the business and they have been recently joined by his son-in-law and two grandsons. Areas serviced: Halifax, Brighouse & Calderdale, Huddersfield & Kirkleeswww.thorntonwindows.co.ukUnit 2/Victoria Buildings/Albert St, HD1 3PR

Yorkshire Windows was the first locally based company to be awarded the BS EN ISO 9002 for the manufacture and installation of replacement windows. doors and conservatories. Yorkshire Windows has recently been awarded the BS ISO 140001 certificate for its good environmental management systems including waste recycling.www.yorkshirewindows.com355, Wakefield Road, HD5 8DE

A conservatory improves your lifestyle and adds space and value to your home. You can enjoy natural light and garden views or even enjoy those intimate moments whilst entertaining or relaxing. Gardinia are able to offer glazing options to both provide solar protection and heat retention. This makes a Gardinia conservatory the most comfortable place to enjoy a sunny day.www.gardiniawindows.co.uk3, Leeds Road, HD1 6DD

Whether you want a white conservatory or one of the many woodgrain options available, you won't want to spoil the appearance by thick black gasket lines around every piece of glass. With our conservatories, the visible part of the gasket is greatly reduced, so you get a neater finish around the glass, and a clear view from both inside and outside.www.waterlootrade.co.uk587 Wakefield Road, HD5 9XP

We can manufacture your new conservatory to fit anywhere on your property. Any size - any style - any shape for houses, bungalows, flat roof extensions in or around corners. You can enjoy the complete package from design through to finished installation, including all base work, plastering flooring, electrics, heating and plumbing. All work fully guaranteed for your satisfaction and peace of mind.www.strongbowwindowsystemsltd.co.ukField Mills, HD2 1YG