Rathangan Detached – Deep Retrofit
Key Details
| Project Name: | Rathangan Detached - Deep Retrofit |
|---|---|
| Client Name: | Linda |
| Delivered: | September 2023 |
| Project Scope: | Reducing heat loss in a 40 year old house |
Our sincere thanks to all the Bayview team, especially Fergal, for all the hard work that went into our retrofit. It has made such a difference this winter and we're delighted with the results. Homeowner
About the Project
Works as carried out by Bayview Sustainable Homes were:
- Attic: Original 100mm topped up to 300mm and ventilated sufficiently
- Cavity Wall Insulation: insulated bead blown into remaining 50mm cavity
- Open Fire: closed up and ventilated chimney
- Windows: replaced with triple glazed PVC in white Uvalue 1.0w/m
- Doors Front: replaced with Composite in cream 1.0 u value and rear in PVC at 1.0 u value
- Heating System: upgraded from gas boiler to Heat pump. Radiators replaced with aluminium sectional rads. Used 10kw Vitocal 100A from Viessmann. Radiators by Templo
- Lighting: Replaced all bulbs with LED hi efficiency bulbs
Starting Point
- Rating: C3
- Primary Energy kwhr/m2/yr: 204.89
- CO2 Kg/CO2/m2/yr: 53.26
- Heat Loss Indicator w/m2: 2.88
Finish Point
- Rating: A3
- Primary Energy kwhr/m2/yr: 61.02
- CO2 Kg/CO2/m2/yr: 7.81
- Heat Loss Indicator w/m2: 1.88
Notes
House built in 1985 to good standard but always cold and expensive to heat.
