Almost every Melbourne renovation runs longer than the homeowner expected, and in most cases the builder’s construction estimate was accurate. The gap sits either side of construction — design, approvals, procurement, and the weeks lost to decisions nobody made on time.
A related guide to consider while planning this work is How Long Does a Bathroom Renovation Take?.
Melbourne adds two variables that other Australian cities do not have in the same measure: a two-permit approval system where the planning permit question can swing a programme by six months, and a genuine wet winter that slows external work for a quarter of the year.
End-to-End Timelines by Project Type
Bathroom renovation
- Design and product selection — 2 to 6 weeks
- Builder availability and booking — 4 to 12 weeks
- Building permit, where required — 2 to 4 weeks
- Construction on site — 3 to 4 weeks
- Total: 2 to 5 months
Kitchen renovation
- Design and cabinetmaker documentation — 3 to 6 weeks
- Joinery manufacture — 4 to 6 weeks after site measure
- Construction on site — 4 to 6 weeks, including a 7 to 10 day pause for stone templating
- Total: 3 to 4 months
Restumping
- Inspection and quotes — 2 to 4 weeks
- Building permit and engineering — 3 to 5 weeks
- On site — 1 to 3 weeks
- Making good internally afterwards — 2 to 4 weeks
- Total: 2 to 4 months
Whole-house cosmetic renovation
- Planning and selections — 4 to 8 weeks
- Construction — 8 to 14 weeks
- Total: 4 to 6 months
Ground-floor rear extension, no planning permit required
- Design and documentation — 8 to 16 weeks
- Building permit — 2 to 4 weeks
- Tender and contract — 4 to 8 weeks
- Construction — 16 to 28 weeks
- Total: 7 to 13 months
Ground-floor rear extension, planning permit required
- Design and documentation — 10 to 20 weeks
- Planning permit — 8 to 36 weeks
- Building permit — 2 to 4 weeks
- Tender and contract — 4 to 8 weeks
- Construction — 16 to 28 weeks
- Total: 10 to 22 months
Second-storey addition
- Structural assessment of existing foundations — 2 to 4 weeks
- Design and documentation — 12 to 24 weeks
- Planning permit, usually required — 10 to 36 weeks
- Building permit — 3 to 5 weeks
- Tender and contract — 4 to 8 weeks
- Construction — 26 to 44 weeks
- Total: 14 to 26 months
Full heritage cottage renovation
- Investigation, design and heritage documentation — 16 to 30 weeks
- Planning permit with heritage assessment — 16 to 40 weeks, longer with objections
- Building permit — 3 to 5 weeks
- Tender and contract — 6 to 10 weeks
- Construction including restumping — 32 to 54 weeks
- Total: 18 to 32 months
Where the Time Actually Goes
The planning permit question
This is the single largest variable in Melbourne, and the difference is stark. A design that avoids triggering a planning permit needs only a building permit — two to four weeks. A design that triggers one adds two to nine months, and if it goes to VCAT, another six to eighteen.
What drives planning permit time:
- Completeness of the application — incomplete lodgements generate requests for further information that stop the clock
- Heritage Overlay assessment and internal referral to the heritage advisor
- Neighbour objections following public notice
- Referrals to arborists, engineers, or external authorities
- Council workload, which is seasonal and highly variable across Melbourne’s councils
Melbourne councils vary widely. Outer growth-area councils handling standard applications often determine in eight to twelve weeks. Inner councils dealing with heritage and objections routinely take four to nine months.
The practical implication: check your overlays before you design, and where realistic, design within the standards that avoid triggering a permit. See our guide to Melbourne building and planning permits.
Winter
Melbourne’s June-to-September wet season is a real programme constraint, not a footnote. Excavation, footings, framing, roofing, external cladding and rendering all lose days. A site with an open roof in July is a genuine problem.
Practical consequences:
- Reaching lock-up before winter is worth planning around. A project not at lock-up by late autumn will lose four to eight weeks.
- Waterproofing membranes cure more slowly in cold damp conditions, adding days between coats.
- Concrete curing and rendering both slow.
- Excavation on saturated clay may be impossible for days at a time.
- Most contracts allow extensions of time for inclement weather, and Melbourne builders claim them legitimately.
The Christmas shutdown
The Australian construction industry effectively closes from mid-December to mid or late January. A Melbourne project that has not reached a sensible pause point by early December loses six weeks, and materials ordered in November may not arrive until February.
Design and documentation
Under-documenting to save time is the most expensive false economy available. Incomplete drawings mean builders price with hidden contingency, tender comparisons become meaningless, and every unresolved detail becomes an on-site decision made under pressure. Eight weeks documenting properly routinely saves twelve weeks in construction.
Builder availability
Good Melbourne builders are booked three to nine months ahead. The builder available to start next week is available for a reason.
Procurement lead times
- Custom joinery — 4 to 8 weeks after site measure
- Stone and porcelain benchtops — 2 to 5 weeks from template
- Imported tiles — 6 to 14 weeks if not in stock
- Specified tapware in a non-standard finish — 4 to 12 weeks
- Double-glazed windows and doors, custom sizes — 8 to 16 weeks, and Melbourne’s energy requirements mean most extension glazing is custom
- Frameless shower screens — 2 to 3 weeks after tiling completes
- Structural steel — 3 to 6 weeks
- Matched heritage materials — weatherboard profiles, slate, terracotta ridge caps: can be months, or unavailable
Order long-lead items before demolition. A frameless screen that cannot be measured until tiling is finished will always add three weeks to the end of a bathroom job.
A related guide to consider while planning this work is How Long Does a Kitchen Renovation Take?.
Discovery
Melbourne’s housing stock reveals problems when opened, and more reliably than most. Failed stumps, rotted bearers and joists, termite damage, corroded plumbing, unpermitted previous work. Each discovery costs assessment time, sometimes engineering time, and sometimes a permit amendment. In any pre-1960 timber-framed home, allow three to five weeks of programme for what will be found.
Owner decisions
Owner indecision is among the largest causes of delay on residential projects, and under standard contracts it entitles the builder to an extension of time. The fix is to complete all selections before construction starts — every tile, tap, handle and paint colour, documented in a schedule.
A Realistic Construction Sequence
For a Melbourne ground-floor rear extension on a stumped cottage:
- Weeks 1–2 — site establishment, demolition of the rear lean-to, waste removal
- Weeks 3–5 — restumping the existing house if required, and making good
- Weeks 6–9 — excavation, engineered footings, drainage, slab
- Weeks 10–13 — framing, structural steel, roof structure and roofing
- Weeks 14–16 — windows and external doors, cladding, lock-up
- Weeks 17–20 — services rough-in, insulation, surveyor’s frame inspection
- Weeks 21–23 — internal linings, cornices, waterproofing to wet areas
- Weeks 24–27 — tiling, joinery installation, stone templating and fitting
- Weeks 28–30 — painting, flooring, fit-off of plumbing and electrical
- Weeks 31–32 — landscaping, making good, cleaning, defects and handover
Note the dependencies. Restumping comes before anything attaches to the house. Waterproofing cannot start until linings are complete. Tiling cannot start until the membrane has cured — longer in winter. The screen cannot be measured until tiling is finished. A delay early in the chain moves everything after it.
What You Can Control
- Check overlays before design. This determines your timeline more than any other decision.
- Design to avoid a planning permit where that is realistic — it is worth two to nine months.
- Complete all selections before construction. The highest-value action available to a homeowner.
- Document thoroughly.
- Order long-lead items before demolition.
- Sequence around winter. Aim for lock-up before June where the programme allows.
- Restump first, if the house needs it.
- Book a good builder and wait for them rather than starting with an available one.
- Make decisions within 48 hours when asked. Set that expectation with yourself at the start.
- Hold weekly site meetings with a written record.
- Avoid scope changes mid-construction. A change in week eighteen costs disproportionately more time than the same change in week two.
Reading the Builder’s Programme
On any substantial Melbourne project the builder should provide a construction programme showing each trade’s period on site and the dependencies between them. Ask specifically for:
- The critical path — the sequence where any delay pushes completion
- Owner decision points marked with the date each selection is needed. This single request prevents most owner-caused delay.
- Procurement dates for each long-lead item
- Surveyor inspection hold points, which stop work until cleared
- Allowances for inclement weather and the Christmas shutdown
Ask for it to be updated monthly and reviewed at your site meeting. A builder who cannot produce or maintain one is telling you how the project will be run.
Living Through It
Occupying a house during renovation adds substantially to how long it feels, and often to how long it takes.
Melbourne-specific considerations:
- Winter occupancy is harder. A house with an open wall or a removed roof section in July is genuinely cold and damp, and dust migration is worse when windows cannot be opened.
- Restumping requires vacating, at least for the days the house is being lifted.
- A temporary kitchen needs heating as well as water in a Melbourne winter.
- Storage — $200 to $500 per month for a typical household.
- Temporary accommodation — $2,500 to $6,500 per month for a family home.
Two weeks of accommodation during the most disruptive phases often costs less than the programme extension caused by working around a household, and considerably less than the decisions made by exhausted people in week twenty.
The Melbourne renovations that finish close to programme are not the ones with the fastest builders. They are the ones where the overlays were checked first, the design avoided an unnecessary planning permit, everything was ordered before demolition, the house was restumped before anything was attached to it, and the owner answered questions the same day they were asked.
Extensions of Time and What They Mean
Standard Victorian domestic building contracts entitle the builder to an extension of time for defined events. Understanding these prevents most disputes about lateness.
Events that typically justify an extension:
- Inclement weather and its consequences, such as a site too wet to work — a live and legitimate issue through a Melbourne winter
- Variations instructed by the owner
- Delay in owner decisions or selections
- Latent site conditions — failed stumps, rot, contamination, unexpected structural defects
- Delays in obtaining permits or surveyor inspections beyond the builder’s control
- Industry-wide material shortages, in some contract forms
- Industrial action and the statutory Christmas shutdown
The contract will specify how a claim must be made, usually in writing within a set number of days. Two practical points for owners. First, the entitlement is generally to time rather than automatically to money, though prolonged delay may also generate a cost claim. Second, extensions must be claimed properly; a builder who simply runs late without claiming has not extended the date.
Where liquidated damages apply for late completion they are usually a modest weekly amount, and they matter far less than keeping the project on programme in the first place.
Scheduling Around the Melbourne Year
A well-sequenced Melbourne project uses the seasons rather than fighting them.
- Ideal: demolition and footings in spring, frame and roof through summer, lock-up by autumn, internal work through winter, completion and landscaping in early spring.
- Workable: starting in late summer, reaching lock-up by early winter, finishing internally through the cold months.
- Difficult: starting in autumn, which puts excavation, footings and framing into the wettest months and pushes lock-up into the following spring.
- Avoid where possible: a start in November, which reaches demolition just as the industry shuts down for six weeks.
Landscaping is the other seasonal consideration. Planting in autumn or early spring establishes far better than planting into a Melbourne summer, and lawn laid in January needs watering that water restrictions may not permit.
The Last Ten Per Cent
The final stage of a Melbourne renovation consistently takes longer than anyone expects. Fit-off, painting touch-ups, the shower screen that could not be measured until tiling finished, the joinery adjustment, the electrician returning for a fitting that arrived late, the surveyor’s final inspection, and the defects list.
Allow three to six weeks between “it looks finished” and “it is finished”. Building that into your expectations at the start prevents the frustration that otherwise dominates the end of an otherwise successful project — and it is the period in which pressuring a builder to finish produces the worst quality decisions of the whole job.
One Melbourne-specific note on defects: some issues only appear after a full seasonal cycle, as the house moves with the clay. A crack that opens in the first winter after completion is worth reporting within the defects liability period rather than dismissing as settling. Schedule a formal inspection before that period expires.