Timber windows, timber doors, alu-clad windows, alu-clad doors, energy efficient windows, energy efficient doors

Cut Costs Save Energy

Upgrading the thermal efficiency of your windows and doors will not only make your home more comfortable to live in but it will help to reduce your carbon footprint and save on your energy bills. Calculate the energy savings you could achieve simply by switching to energy efficient timber windows and doors with our easy-to-use energy calculator.

Step 1 - Select your existing window type

Single Glazing
Standard Double Glazing, Air Filled Cavity
Secondary Glazing
Low-e Double Glazing, Air Filled Cavity
Low-e Double Glazing, Argon Filled Cavity

Step 2 - Select your preferred new window type

Broxwood recommends a U-Value of 1.0 or below

Low-e Double Glazing, Argon Filled Cavity (U-value 1.4 - 2.0 W/m²K)
Triple Glazing Type 1 (U-value 1.1 - 1.6 W/m²K)
Triple Glazing Type 2 (U-value 0.7 - 1.0 W/m²K)

Step 3 - Insert the total area of your windows and doors

(Area = length x breadth of each window or door)

Total Window and Door Area (m2)

Step 4 - Select the location nearest to your address

Your Location

Step 5 - Calculate Savings

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