How many residential dwellings are heated with hot water radiators in Europe?

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Clarification of Question by smoother-ga on 23 Jun 2006 08:26 PDT

*Note* by residential dwellings I mean detached, semi-detached, town
or row houses (not high rise apartments).

This will vary widely across Europe. Countries with cheap
hydroelectricity are more likely to use electric central heating,
which is not usually hot water radiator.

For the UK, "The bulk of gas is burned in domestic home heating, over
70% of which is gas fired."[1]. The vast majority of these systems
would be hot water radiator, as individual gas wall heaters and
gas-fired warm air systems are not very common in UK homes.
[1] http://www.energybulletin.net/8422.html

Searching the Office of National Statistics website gives several
datasets relating to central heating; as I don't have Excel I can't
download the datasets to see if they differentiate between types of
heating system.
http://www.statistics.gov.uk/CCI/SearchRes.asp?term=central+heating&x=0&y=0

Owain

The Office of National Statistics website spreadsheets do not
differentiate between types of heating systems.  The only provide the
total number of residences with heating by housing type, # of
occupants etc...

Perhaps it would be better to find the total number of existing
installations of residential boilers in each of the EU countries -
this might be the best indication of the # of homes heated with hot
water.  It would however have to exclude industrial/commercial
applications in high rises and all steam systems.