Case Study
Domestic case study on existing building.
Case study for new domestic building and commercial building available soon.
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A case study was carried out on the following property with a view to reducing the property’s annual energy consumption.
Construction date: 1999 |
| A Building Energy Rating assessment was carried out on before any remedial works were under taken. A BER cert was produced using DEAP software. The resulting cert shows an E2 rating with an estimated annual energy spend of €3,366. To see average ratings for second hand properties click here. |  |
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Photo 1
10/15 yr old non condensing oil boiler. |
| Photo 2
Uninsulated hot water cylinder. |
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Photo 3
Poorly insulated wall cavity. |
| Photo 4 Primary pipe work with no insulation. |
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Photo 5 Attic insulation at joist level. |
| Photo 6 Basic heating and hot water controls. |
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Assessor’s Recommendations
The assessor made the following recommendations.
The table below lists the assessor’s recommendations and estimates the annual saving for each action taken.
| Action | Rating | Value | Estimated Annual Saving |
| Start Rating | E2 | 354.37 | |
| Install 100% energy efficient lighting | E2 | 346.10 | €78.55 |
| Install 2 heating zones with time and temperature control | D2 | 264.87 | €771.52 |
| Insultate hot water cylinder and primary pipe work | D1 | 245.06 | €188.16 |
| Block unused chimney and fit solid-fuel stove to 2nd chimney | C3 | 216.45 | €271.74 |
| Replace oil boiler with condensing boiler with >92% efficiency | C1 | 173.54 | €407.56 |
| Add 200mm insulation to attic | C1 | 166.52 | €66.68 |
| Add 100mm insulation to wall cavity | C1 | 150.77 | €149.59 |
| Replace back door | B3 | 149.93 | €7.98 |
Where possible, improvement measures are listed with least expensive action first, in ascending order.
Values quoted in this table are indicative and should only be used as a guide.
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A Building energy Rating assessment was carried out on after remedial works were under taken. A BER cert was produced using DEAP software. The resulting cert shows an B2 rating with an estimated annual energy spend of €1,424.
57% Saving! |
To see average ratings for second hand properties click here.
