BER :Retro Fit to Passive Certified Standard

Estimated Annual Running Costs €375 – 425 per year
Note: – Running costs are for Space & Hot water heating and Running costs are subjective to variations in individual use.

Foundation :Replace Existing Suspended timber Floors with 150 mm rigid – approx U Value 0.1W/m2degK

Walls : 100 mm Cavity bead to cavity, 100mm Rigid Insulation fixed to 11mm OSB3 with 62.5 mm Insulated Plasterboard – U Value – 0.10 W/m2degK

Roof :
Flat of ceiling 300 mm of High Performance Quilt Insulation – U Value – 0.15 W/m2degK
Sloped ceiling 150 mm rigid 62.5 mm Insulated Plasterboard – U Value – 0.1?? W/m2degK

Heating : Pro Air ?? n the ground floor with towel Radiators to the 1st floor bathroom & ensuite

Renewables : 8 kw Wood Burning Stove

Ventilation : Pro Air ?? n the ground floor with towel Radiators to the 1st floor bathroom & ensuite

Air Tightness : 0.9 ACH (Air Changes per Hour) @ 50 Pa – Target was 1.0 ach
Windows : Rocco – Triple Glazed Alu Clad laminated Softwood interoir – U Value – 0.8 W/m2degK