DOUGLAS Newman Good is seeking £480.000 for a retail investment at 1.2,3 and 38 Castlewood Avenue. Rathmines, Dublin 6. The property includes four shops let on long leases to tenants including Eurovision Video Rentals. The units are currently producing £44,750 per annum, which would represent a yield of 8.6 per cent on the asking price. The same agents have secured about £270,000 for a retail and residential investment at 23 Marino Mart, Fairview, Dublin 3. The shop is let to Blacktie at a rent of £15,000 per year. Two overhead apartments are producing £8,500 per annum.