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Changes to Building Regulations For Windows

Minimum Energy Efficiency Rating For Windows

From 1st October 2010, all replacement windows must have a minimum energy efficiency rating of “C”.

The new Coalition Government has introduced the changes to Part L of the Building Regulations to assist in achieving their aim of making new and existing dwellings 25% more energy efficient.

The new regulations will have a significant impact on the glazing industry with the vast majority of double-glazing products currently available in the UK becoming obsolete overnight.

All property owners in England and Wales will also be affected. Homeowners that currently have “D” rated windows now have a deadline of 30th September to have replacement matching windows installed, or the choice to up-grade their windows to a minimum “C” rating.

TWS Offers FREE Upgrade to A-Rated Windows!

To assist with the transition process and to help ease the financial burden, TWS is offering their customers a free up-grade offer. Customers can have A-rated windows installed for the price of C-rated for a limited period only providing a substantial saving.

Whilst upgrading to ‘C’ rated or above windows may cost more initially, the long-term benefits include improved energy efficiency, lower energy bills and peace of mind that your higher specification windows comply with the energy rating criteria set by the British Federation Rating Council (BFRC).

You can read more about our windows here.