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A good renovation changes how your whole home works and feels. A bad one drags on for months, blows the budget and tests everyone living through it. The difference is rarely luck. It almost always comes down to the planning that happened, or didn't, before the first trade turned up on site.
Here's how to set a renovation up properly, based on what we've seen work over 30 years of Perth projects.
Start with the why, not the wish list. Are you renovating to stay long term, to fix how the house functions, or to add value before selling? The answer shapes everything, from how much is worth spending to which corners you can and can't cut. A renovation for the next twenty years justifies different choices to one for a sale next spring.
Set an honest budget, then add a buffer. Renovations uncover things. Especially in older homes, what's behind the walls and under the floors is a mystery until it's opened up. A contingency of around ten to fifteen percent isn't pessimism, it's how you keep the project moving when a surprise shows up. And if your home was built before 1990, allow for the possibility of asbestos, which needs licensed removal and is not a corner to cut.
Check the approvals early. Plenty of renovation work needs a building permit in WA, particularly anything structural, extensions and changes to the building envelope. Requirements vary by council, and finding out late can stall a project for weeks. A registered builder will know what your job needs and can manage the process for you.
Lock the scope, then defend it. "While we're at it" is the most expensive phrase in renovating. Every addition mid-project costs more than it would have in the plan, because trades come back, materials get re-ordered and the schedule shifts. Decide what's in and what's out before work starts, and park the extras for another round.
Make selections early. Cabinetry, tiles, tapware, appliances and windows can all carry long lead times. A site that stops because a benchtop is six weeks away is a site burning money. Choosing early keeps the schedule intact and gives you time to change your mind before it costs anything.
Get the sequence right. Renovations have an order: structural work, then services, then linings, then finishes. When trades are booked around each other rather than in sequence, you get delays and rework. This is where having one builder coordinating everything earns its keep, compared with juggling separate trades yourself.
Plan for living through it. Be realistic about what it's like having a kitchen or bathroom out of action, with dust and noise through the house. For bigger jobs, moving out for part of the build sometimes costs less in sanity than it does in rent. Ask your builder up front what each stage means for day-to-day living.
Choose a builder who actually does renovations. Renovating is a different skill to building new. It means working with an existing structure, matching old materials with new, and solving problems that only reveal themselves once things are opened up. Ask to see renovation projects specifically, not just new builds.
Sampro has been renovating homes across Perth for 30 years as a licensed builder, with our own team on the tools and one point of contact from the first conversation through to handover. If you're planning a renovation and want a realistic read on scope, budget and timing before you commit, get in touch and we'll talk it through.
