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2026-07-08 · Renovation

Three items that blow the renovation budget

NOTE

The first is plumbing. In an older building, the drainage stacks, the material of the supply pipes and the falls on them often only become clear once things are opened up. Any plan that moves the wet areas raises the cost noticeably.

The second is electrical capacity. When you add air conditioning, kitchen equipment or more guest rooms, the existing incoming capacity may not be enough — and once the work reaches the switchgear, the figure is no longer small.

The third is sound insulation and fire safety. On anything let out or used for lodging, insulating floors and partitions and adding fire equipment is close to inevitable. It is also the item most often skipped in an early estimate.

When we estimate, these three are on their own lines, updated with real figures after the site survey, rather than swallowed into a rate per square metre.

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