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BenchValueWP4 - case study overview:
Ireland
Project meeting: Vienna, Austria. 23rd October, 2019
1
Contents
• Overview of the Irish residential building stock
• Case study description
• Life Cycle Assessment results
• Conclusions
2
Irish Residential Building Stock
3
0
100000
200000
300000
400000
500000
No.
Household
s
Construction Year
Detached house Semi- detached house
Terraced house Apartment
Bed-sit Not Stated
42%
28%
17%
12%
0% 1%Detachedhouse
Semi-detachedhouse
Terracedhouse
Apartment
Bed-sit
Source of data: Central Statistics Office [1]
Irish Residential Building Stock
4Source timeline is based on [2]
Case Study Building: 3 Bedroom Semi-Detached
Front Elevation Back Elevation5
Case Study
Building
Ground Floor First Floor 6
Case Study Building: Traditional Build
7
Source of image [3]
Case Study Building: Insulated Concrete Formwork
8Source of images [4]
Case Study Building: Timber Frame
9Source of images [5]
Life Cycle Cost (A1-A5)
050
100150200250300350400
€/m
2
Building Element
Traditional Timber ICF
10
Life Cycle Non-Renewable Energy (A1-A3)
0
200
400
600
800
1.000
1.200
MJ
/m2
Building Element
Traditional Timber ICF
11
Life Cycle GHG Balance (A1-A3)
-60-40-20
020406080
100
kg
CO
2e
q./m
2
Building Element
Traditional Timber ICF
12
Conclusions
• Concrete based superstructures are the predominant superstructure type in Ireland.
• Traditional based superstructure (concrete block cavity wall) is the cheaper option for building a semi-detached residential building.
• Timber frame based superstructure is the more environmentally friendly from a life cycle non-renewable energy and GHG balance perspective.
13
References
14
[1] Central Statistics Office, “Housing in Ireland,” 2019. [Online]. Available:
https://statbank.cso.ie/px/pxeirestat/Database/eirestat/Profile 1 - Housing in Ireland/Profile 1 - Housing
in Ireland_statbank.asp?SP=Profile 1 - Housing in Ireland&Planguage=0. [Accessed: 18-Oct-2019].
[2] M. Badurek, M. Hanratty, B. Sheldrick, and D. Stewart, “Building Typology Brochure Ireland,” TABULA,
2014.
[3] Kingspan, “Kooltherm K8 Cavity Board: Partial Fill Cavity Wall Insulation,” Kingspan, 2018.
[4] Thermohouse, “Thermohouse,” 2019. [Online]. Available: https://thermohouse.ie. [Accessed: 27-Sep-
2019].
[5] Kingspan, “Kingspan Ultima Wall,” 2019. [Online]. Available: https://www.kingspan.com/irl/en-
ie/product-groups/engineered-timber-system/engineered-timber-frame-systems/our-
systems/wall/ultima. [Accessed: 27-Sep-2019].
15
Thank you!
Paul Moran
Jamie Goggins
Michael Clancy
Ken Byrne
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