- Home
- Calculators
- Insulation & Energy
Insulation & Energy calculators
Estimate insulation quantities, installed cost, U-value improvement and indicative heating savings, using the same building physics as SAP and RdSAP assessments.
What are you insulating?
Pick the element and we will model the U-value before and after, the quantity of material you need, the installed cost, and an indicative heating saving based on Northern Ireland fuel prices and degree days.
Loft Insulation Calculator
Free loft insulation calculator for Belfast and Northern Ireland. Rolls to order, installed cost, U-value before and after, and a realistic annual saving.
Wall Insulation Calculator
Free wall insulation calculator for Belfast and Northern Ireland. Compare cavity, external and internal insulation costs, U-values and realistic savings.
Other calculators
Extensions
Single storey, double storey, rear, side and wrap-around
Loft & Conversions
Lofts, garages, garden rooms and outbuildings
Materials
Bricks, blocks, concrete, mortar, fencing and paving quantities
Driveways & Outside
Driveways, patios, decking and garden walls
Renovation
Kitchens, bathrooms, roofs, windows and rewires