pypsa-eur/data/retro/u_values_poland.csv

1	component	Before 1945	1945 - 1969	1970 - 1979	1980 - 1989	1990 - 1999	2000 - 2010	Post 2010	sector
2	Walls	1.7	1.4	0.9	0.9	0.6	0.4	1.7	residential
3	Windows	4.6	3.6	2.6	2.6	2.1	2.1	2.1	residential
4	Roof	0.8	0.7	0.6	0.6	0.6	0.4	0.33	residential
5	Floor	1.9	1.4	1.2	1.1	0.9	0.6	0.45	residential
6	Walls	1.3	1.3	1.3	0.8	0.6	0.6	0.6	services
7	Windows	4.7	3.7	2.6	2.6	2.3	2.1	2.1	services
8	Roof	1	0.9	0.7	0.5	0.3	0.3	0.3	services
9	Floor	1.6	1.2	1.2	1.1	1	0.7	0.7	services