"Lies, damn lies, and statistics!" I don't know what definition of "Kingswood" you used, but for "BS15", which includes Hanham but excludes Upper Soundwell, the figures for completions in 2009 are: 32 detached houses with an average price of £224,200.
By KingswoodTown at 13:03 on 24/02/10
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£300 - £340 pa
£18k - £230k pa + priv medical, training,
£170.00 - £200.00 pa