Renovations and extensions pay off when you demolish less, rework less, and argue less. Cutting into unknown walls can trigger structural upgrades, asbestos management, failed moisture lines, and broken energy models at once. We treat open — record — decide as auditable steps, not ad hoc site calls.
Diagnosis & evidence
Selective openings, photos, and sampling to support insurance, approvals, and later warranty discussions.
Interfaces & compliance
Old/new foundations, roof drainage lines, moisture and fire separation aligned with signed consultant documentation.
Live-in logistics
Occupied-home circulation, dust and noise zones, temporary services, and safety responsibilities written into site attachments.
Diagnose before you strip
Older Queensland homes often carry failed damp-proof courses or cavity drainage, timber affected by termites or decay, undersized earthing and boards, and layouts that no longer meet current rules. Before wholesale demolition we complete targeted openings with records: what still carries load, what must be rebuilt, and what must be handled as hazardous or asbestos-containing — captured in traceable documents, not a loose photo roll.
For owners this step ties directly to insurance and approval RFIs: without “pre-demolition condition” evidence, disputes centre on who caused what.
Structure and neighbours when you extend
Differential settlement and changed roof ridges alter runoff and splash onto neighbouring yards. Design should produce combined sections at party lines, setbacks, and eaves. On site, joist repairs, anchors, isolation, and temporary propping follow the structural engineer — never “it looks strong enough”.
If the extension touches shared boundaries or sight lines, agree early with neighbours on programme, noisy trades, and vehicle routes to avoid mid-job stop-work complaints.
Moisture, energy, and services
Additions change insulation geometry and glazing ratios and often trigger energy reassessment. Old/new envelope junctions are where thermal bridges and leaks concentrate: define vapour control, sill/air-barrier overlaps, and whether cavities still vent. Services follow the plan — before you remove load-bearing walls or move wet rooms, complete structural checks and fire-compartment reviews.
Building while you live there
If you stay in the house, segregate living routes, dust and noise zones, temporary kitchen or bathroom, child and pet safety, and metering for temporary power and water. We capture those rules in site plans and weekly minutes so “understandings” become enforceable site practice.
Practical tip: When comparing renovation tenders, check for asbestos survey assumptions, allowance for strengthening after opening, and whether energy paperwork must update for glazing or insulation changes — low bids that omit these lines usually recover cost at variation stage.
Documentation for insurance and RFIs
Targeted pre-strip records with imagery and timestamps often decide how quickly insurers separate pre-existing damage from construction-caused loss. Likewise, if an authority needs proof a detail was already non-compliant, missing pre-demolition evidence extends RFIs. Contract for witnessed openings and archive responsibility up front, not catch-up photography later.
Related case reads
These examples focus on existing-building work, extension interfaces, and site organisation; outcomes depend on your contract and approvals.
FAQ · Renovations & extensions
Must we screen for asbestos and hazardous materials before demolition?
In Queensland, construction era and materials drive survey duties and disposal rules. Professional practice uses a zoned opening plan to survey first, then set strip-out scope and protection. If a quote only says “to code” with no survey assumption, finding asbestos on site will blow programme and price against the tender model.
Do energy documents always need updating after an extension?
When envelope area, glazing ratio, solar shading, or insulation continuity change, a performance pathway often needs revisiting. Whether it is mandatory depends on the NCC version and approval conditions; in practice, completing without updated paperwork can leave you on the back foot at resale, insurance, or neighbour disputes.
How do we control dust and noise while living on site?
Site plans should define isolation zones, negative-pressure dust strategy, noisy-trade windows, temporary ventilation, and electrical safety. For party walls or semi-detached homes, assess structure-borne noise and vibration. Strong contracts tie measurable limits and remedies to those controls, not vague “best efforts”.
What is the most common structural risk at old/new foundations?
Differential settlement, inadequate lateral restraint, and missing joist connection details appear often. Connections and sequencing come from the engineer — site staff do not substitute judgment for calculation. If monitoring is required, agree trigger levels and who can stop work before you start, so arguments do not follow the cracks.
Renovation / extension enquiry
Briefly note building age, scope, whether you will occupy during works, and any structural or energy reports so our first reply can flag likely prerequisite tasks.
Business is governed by written contract, drawings, and approval documentation; this page is informational only and does not constitute an offer or guarantee. Specific scope is as agreed in your contract.