July 4, 20251 yr Anyone have some ballpark costs for core drilling? In particular, some 150mm holes for MVHR ducts through a 365mm RC wall?
July 4, 20251 yr I had 3 x 180mm holes drilled, about the same length. IIRC it was about £250. Whatever size you think you need drilled add 10mm, then foam the gaps after fitting the pipe. Don't ask why I know.
July 5, 20251 yr For a small number you might be best paying a day rate. 5 holes (from 63mm up to 200mm) half a day, two guys was £250.
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