How many houses in each local authority area are of (a) cavity wall, (b) solid wall and (c) timber frame construction.

The most reliable estimates of the number of houses in each local authority area of (a) cavity wall, (b) solidwall and (c) timber frame construction are taken from the Scottish House ConditionSurvey 2002. The estimates are provided in the following tables.
Table (a)
Number and Percentage ofHouses in Each Local Authority with Cavity Walls

|
| 95% Confidence Interval
|
| 95% Confidence Interval

Estimate
| Lower
| Upper
| %
| Lower
| Upper

Aberdeen City
| 37,000
| 35,000
| 40,000
| 78
| 73
| 83

Aberdeenshire
| 50,000
| 47,000
| 54,000
| 64
| 60
| 69

Angus
| 27,000
| 25,000
| 29,000
| 77
| 71
| 81

Argyll and Bute
| 19,000
| 17,000
| 21,000
| 72
| 66
| 77

Borders
| 19,000
| 18,000
| 21,000
| 64
| 58
| 69

Clackmannan
| 12,000
| 12,000
| 13,000
| 82
| 78
| 86

Dumfries and Galloway
| 36,000
| 34,000
| 39,000
| 67
| 62
| 72

Dundee Cit