BG Bulgaria - Country Page

National Contact Point

Information in Bulgarian language: National Contact Point Bulgaria 

Residential Building Typology

Building Type Matrix

classification scheme for residential buildings  ---  construction year classes  ---  pictures of example buildings

(►explanations) 

Generic Building Types

Last updated: 17.06.2012

Further Building Types

Last updated: 17.06.2012

National Typology Brochure

example buildings  ---  typical energy consumption values  ---  effect of refurbishment measures  ---  building display sheets

(►explanations)

Brochure in Bulgarian language. (Click on picture to download PDF.)

Last updated: 20.01.2013

Statistics of the Bulgarian Building Stock

systematical overview  ---  available statistics for residential buildings and heat supply systems

(►explanations)

Overview

Statistical Table Item Available Sources
S-1.1 Frequency of building types of the national building stock yes [1]
S-1.2.1 Percentage of thermally refurbished envelope areas yes [1]
S-1.2.2 Information on insulation level and window types yes [1], [2], [3]
S-2.1 Centralisation of the heat supply (for space heating) yes [1], [2]
S-2.2 Heat distribution and storage of space heating systems
S-2.3 Heat generation of space heating systems
S-2.4 Heat distribution and storage of domestic hot water systems
S-2.5 Heat generation of domestic hot water systems
S-2.6 Solar thermal systems
S-2.7 Ventilation systems
S-2.8 Air-conditioning systems
S-2.9 Control of central heating systems

[1] Source: National Statistical Institute, Census 2011
[2] Estimates done by SOFENA for TABULA project
[3] SOFENA estimate based on the refurbishment practices and normative requirements

Statistic S-1.1: Frequency of Building Types of the National Building Stock

Remarks:
(1) Buildings of mixed types with more than 60% residential area are not included
(2) Estimates done by SOFENA for TABULA project (only occupied dwellings are accounted and the living floor space)
Source of data: National Statistical Institute, Census 2011

Statistic S-1.2.1: Percentage of Thermally Refurbished Envelope Areas

Building period Total number of buildings Heated area [m²] (2)
Single family houses
and terrace houses
(1000)		 Apartment blocks and
multifamily houses(1)
(1000)		 All type of buildings
(1000 m²)
until 1949 433,859 4,194 3209,74
1950-1959 347,473 4,679 3065,49
1960-1969 381,145 12,234 3424,37
1970-1979 240,816 14,162 2219,59
1980-1989 198,857 13,125 1845,31
1990-1999 96,922 7,913 912,591
2000-2011 74,144 13,023 758,791
Total 1773,216 69,397 15435,886

Remarks:
(1) Buildings of mixed types with more than 60% residential area are not included
(2) Estimates done by SOFENA for TABULA project (only occupied dwellings are accounted and the living floor space)
Source of data: National Statistical Institute, Census 2011

Statistic S-1.2.1: Percentage of Thermally Refurbished Envelope Areas

Dwellings

Occupied dwellings

Dwellings with external
thermal insulation

Dwellings with energy
saving windows

Total (number)

2666733

428473

937574

Refurbished dwellings (%)

  

16,1

35.2

Source of data: National Statistical Institute, Census 2011

Statistic S-1.2.2.: Average Insulation Thickness (eq. to EPS) added to the refurbished elements and U-values

  1999 2009
Walls – insulation thickness 50 mm 80 mm
Walls   U-values, (W/m².K) 0,5 0,35
Windows U-values (W/m².K) 1,8-2,6 1,1-2,0
Roofs / upper floor ceilings- – insulation thickness 100 mm 100 mm
Roofs / upper floor ceilings, U-values (W/m².K) 0,3 0,3
basement / cellar ceiling - insulation thickness 50 mm 50 mm
basement / cellar ceiling, U-values (W/m².K) 0,5 0,5

Source of data: SOFENA estimate based on the refurbishment practices and normative requirements

Statistic S-2.1: Main Heat Supply Source in the Households

 (% of occupied dwellings)

District Heating Electricity Gasoil Gas Coal Wood Other (heat pumps, pellets, oth.)
2011 16,4 28,6                0,2 0,6 19,8 34,1 0,3

Source of data: National Statistical Institute, Census 2011

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SOFENA 
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