Westminster, Central London, Dartmouth Street, SW1H 9BL**
Opening times: 24 hours a day*
Free phone: 0800 051 8637
Westminster, Central London, Dartmouth Street, SW1H 9BL**Opening times: 24 hours a day*Free phone: 0800 051 8637
Leave your name and phone number below for a free call-back to resolve your Westminster glazing problems. Someone will get back to you within 10 minutes
U-Value
The U-Value of the glass refers to how well it prevents heat being radiated outside. The lower the value, the better. To put the values into perspective, single-glazed glass has a typical u-value of 5.6, ordinary double-glazing is between 2.8 and 3.5, double-glazing with low-emissivity glass is around 1.8, and the low-emissivity glass with argon has in the gap is around 1.6.
Calls made will not be charged