Here at Zenith Staybrite we're more than just an energy-saving double glazing company; we're proud to be one of the leading suppliers of home improvements in the UK with over 38 years expertise and 2 million UK homes improved, you can trust our high quality products and first class customer service. Areas serviced: Watford & Hemel Hempsteadwww.bowaterhomeimprovements.co.uk126-128 St. Albans Rd, WD24 4AE

Based in Watford, Hertfordshire, Harp Windows is a family owned and family run company, and was established back in 1989. We both manufacture and install high quality replacement windows, doors and conservatories. Over the years, we've worked hard to build up an established local reputation based on professional integrity, efficient customer service, quality and value for money. Areas serviced: Barnet & Edgware, Ealing, Enfield, Harrow & Ruislip, Hendon & Hampstead, High Wycombe, Hwww.harp-windows.co.ukShowroom 30/Aldenham Rd, WD19 4AA

To suit customers demands for traditional appearance the Glen Windows and Doors range of products is available in white, light oak and woodgrain, this combined with glass options of Georgian bar, leaded or stained effect means that you will find the perfect windows and doors to suit your home. Areas serviced: Watford & Hemel Hempsteadwww.glenwindowsanddoors.co.ukUnit 12-13/Cardiff Rd Ind Est, WD18 0DG