Leaks & Weathertightness Repairs
Roof leaks, deck leaks, window leaks, internal water staining, failed flashings, perished sealants. We diagnose where the water's actually coming from — rarely where it shows up — and fix the cause.
Building maintenance, small jobs, and repairs across Auckland - including leaks, rot, deck repairs, flashings, doors, and weathertightness issues. Delivered by an LBP licensed team, with full warranty cover.
Most maintenance work sits within five key categories. For jobs too complex for a quick fix but not large enough to be a renovation, we provide a licensed building solution.
Roof leaks, deck leaks, window leaks, internal water staining, failed flashings, perished sealants. We diagnose where the water's actually coming from — rarely where it shows up — and fix the cause.
Rotten weatherboards, deck boards, fascia, soffits, window frames and bottom plates. Cut out, treat, replace with the right grade and profile, finish to match. Warranted like new work.
Loose or rotted deck boards, sagging joists, failed substructure, broken balustrades, damaged fence panels, leaning posts. Repair where it makes sense, replace where the timber's past it. Honest call either way.
Doors that won't close, windows seized in frames, broken hardware, damaged interior door replacements, new door slabs refit into existing frames. Adjustments and full unit replacements both covered.
Cracked or missing flashings, damaged cladding sections, soffit and barge board replacement, exterior trim repairs, post-storm damage, owner-engaged insurance work.
Maintenance work often sits in a grey area - beyond small repairs but not a full renovation. LSM is structured to take on that type of work and manage it properly from start to finish.
A leak repair, rotten weatherboard, or sagging deck is still building work. The difference between a lasting repair and a short-term fix is proper construction knowledge. All LSM maintenance work is carried out by an LBP-supervised team - the same standard applied across all project sizes.
Most small repair work carries limited or no warranty. At LSM, all maintenance work is covered by a 12-month workmanship warranty, the same as our larger projects. If an issue arises from workmanship within that period, we return to resolve it.
Maintenance issues often involve multiple layers of work - structural repair, insulation, lining, and finishing trades. We manage the entire process as one coordinated team, providing a single quote, timeline, and point of contact from start to finish.
Maintenance runs on a different rhythm to a renovation or new build. Faster, smaller, more diagnostic. Most jobs are scoped, quoted and started within a fortnight — many sooner.
First call or form message — we ask what's happening, when it started, photos if you can send them. Most jobs we can scope on the phone and tell you whether it's a maintenance fix or something bigger.
For anything we can't scope from photos, we book a site visit — usually within the week. With repairs the diagnosis matters more than the visible damage. A leak at the ceiling rarely starts there; we find the actual source before quoting.
Itemised quote covering work, materials, sub-trades (electrician, plumber, plasterer, painter), disposal and access. Very small jobs make more sense quoted hourly than fixed-price — we'll tell you which suits and why.
Site protection, the repair itself, any associated trades coordinated by us. Most jobs finish in one to three days on site. Bigger ones — re-clad sections, full leak remediation — run one to three weeks.
Walk-through, you check the work, we clean up. The 12-month workmanship warranty starts at sign-off. If anything we touched fails inside that window, we come back. Photos go on file for any future revisit.
Diagnosis
Repair Work
A lot of Auckland's housing stock is 50 to 100 years old, plus a chunk from the leaky-home era between the mid-90s and mid-2000s. That mix produces a specific maintenance pattern — weatherboard rot, failed monolithic cladding, perished flashings, sagging decks — we see weekly across the central and south-west suburbs.
Monolithic plaster cladding, untreated framing, no cavity batten — the classic 1995–2005 leaky-home stack. We've worked on enough of these to know where to cut, what's salvageable and when partial remediation makes sense versus a full re-clad. Honest call either way.
Hillsborough, Mt Roskill, Mt Eden, Onehunga, Three Kings — most of LSM's home turf is post-war bungalow and pre-war villa stock. Rotten bottom plates, perished weatherboards, sash windows that won't open, doors out of square. Heritage profile matching, not generic timber.
Auckland's storm seasons cause real damage — fence sections down, roof flashings lifted, fallen branches into decks. We take direct-engaged insurance work where the homeowner's managing their own claim. Quoted, documented, photographed for the insurer.
Here's what Auckland homeowners have had to say once the job's done.
"I highly recommend Lukas and his team. They recently repaired a timber deck for us and the results are outstanding. His communication was professional, his pricing was transparent, and the workmanship is top-tier."
"We're very grateful for the excellent work done building our outdoor stairs and decking as well as the landscaping completed. The quality of workmanship is outstanding, and the finished result looks fantastic. LSM was professional…"
"LSM Construction have exceeded our expectations at every turn. Highly recommend. Professionalism 10/10, Workmanship 10/10, Transparency 10/10."
"Great communication, pricing was fair and work was completed to a very high standard. Would recommend Lukas and his team to anyone needing building work done - you won't be disappointed!"
Maintenance pricing works differently to project pricing. Smaller jobs quoted hourly, larger ones fixed-price. There's no per-square-metre rate for "fix a leak" — the price depends on how much damage is behind it. Here's what really moves the cost.
A leak repair starts with finding the leak — straightforward or half a day. Once the source is confirmed, the repair is often the smaller half of the bill. Diagnosis time is real time we charge for.
A rotten weatherboard often means rot in the framing behind it. We don't know until the cladding's off. Quotes flag this honestly — fixed price for what's visible, hourly variation if something worse turns up. We don't paper over what we find.
Replacing a weatherboard on a 1920s villa means matching profile, timber species and finish — sometimes custom-milled. A treated pine deck board is cheap. A heritage-profile weatherboard is not. Material cost varies wildly with what's being matched.
Some jobs are pure carpentry — others need an electrician, plumber, plasterer or painter in sequence. Each adds cost. We coordinate them, and the quote breaks out who's doing what so nothing's hidden.
Send photos and a description and we'll tell you whether it's a job we can quote on photos alone, whether it needs a site visit, or whether it's a renovation in disguise. No charge for the conversation.
Send Us Photos & Get a QuoteThe key information homeowners usually want before getting in touch. Can't see your question? Just reach out.
No fixed dollar minimum, but we don't run a licensed builder out for one hour of work. For tiny jobs we'll suggest batching a few items into one visit. Send us a list and we'll tell you.
Smaller jobs (deck board replacements, door adjustments, minor leak fixes) are quoted hourly. Larger jobs (full leak remediation, weatherboard runs, structural repairs) are fixed-price. Send photos and we'll give you a ballpark before booking a site visit.
Most non-urgent site visits are booked within the same week. For active leaks or winter storm damage we move faster where the diary allows. We're honest if it's a fortnight wait — better than promising a date we can't hit.
Like-for-like repair or replacement of an existing element is maintenance. Changing layout, scope or finishes — new kitchen, moved walls, added bathroom — is a renovation. We'll tell you on the first call which side your job sits on. More on our renovations & extensions work →
Yes. For jobs that need other trades — plasterer after a leak repair, painter for a re-cladded section, electrician to recertify a circuit — we organise and coordinate them. One quote, one timeline, one team.
Auckland-wide. Core catchment is the central and south-west suburbs — Hillsborough, Mt Roskill, Mt Eden, Onehunga, Three Kings, Epsom, One Tree Hill, Royal Oak, Remuera. We cover Silverdale to Pokeno, Piha to Kawakawa Bay. Up to 40 km from central Auckland.
Direct-engaged insurance work where you're managing your own claim — yes. We quote, document and photograph for the insurer. We don't work as a panel builder for any specific insurer, so you'd be paying us directly and being reimbursed.
We require a deposit of 50% before work begins, which covers initial materials and mobilisation. From there, we invoice weekly in line with progress on site. Every project is covered by a written contract before any work starts, so payment milestones, scope, and expectations are clear from day one.
Based in Hillsborough, LSM Construction works across Auckland - from Silverdale to Pokeno, and from Kawakawa Bay to Piha and Kumeu. Most projects are in central and south-west Auckland, with travel considered up to 40 km from the city centre.
74 Goodall Street
Hillsborough, Auckland 1042
We also take on select projects outside of Auckland, across New Zealand. Get in touch to discuss.
Send photos and a couple of lines about what's going on. We'll tell you whether we can quote off photos, whether it needs a site visit, and roughly when we can get to it.
74 Goodall Street, Hillsborough, Auckland 1042
Mon–Sat · 7:00 AM – 7:00 PM
After-hours emergency callouts by arrangement
LBP BP143236 · Site Safe · 12-month workmanship warranty · 5★ across 22 Google reviews