September 2026 — Spring Property Check: your simple spring maintenance checklist

Why September is the right month for a property check

September sits in the gap between winter wet and summer storm and fire season, so it is the last comfortable window to fix problems before they are amplified by wind, heat and embers. Soil is soft enough to expose drainage issues, daylight is lengthening, and tradie bookings have not yet hit the pre-summer rush.

On the South Coast, September is the pivot month. The heavy winter rains have revealed every weak point — blocked gutters, sluggish drains, mossy tiles — and the first warm days tell birds and pests it is breeding season. Getting through the checklist now means you are ready for the October storms and November fire warnings, not scrambling during them.

1. Gutters and downpipes — clear the winter sludge

Start here. Winter packs autumn leaves into heavy sludge that holds water against the fascia and rusts steel gutters. Check from the ground for sagging, plant growth and overflow staining, then confirm every downpipe is flowing — a blocked downpipe fills the gutter even when the trough looks clear.

Gutters are always job one because every other spring check depends on them working. On the South Coast, gum nuts and stringy bark from winter storms settle into downpipe outlets and block them from the top down. A gutter can look clean and still flood because the downpipe is packed.

• From the ground: sagging sections, plants sprouting, rust stains down the fascia
• In the next rain: watch where water spills over the front edge — that is the blockage
• Pour a hose down each downpipe — slow flow means a blockage in the line
• Homes under gum, paperbark or pine trees usually need two spring cleans, not one

2. Roof — moss, lichen and slipped tiles

Cool damp winters grow moss and lichen fast on south-facing and tree-shaded roofs across the Illawarra and Highlands. A spring soft wash lifts it without driving water under tiles — never pressure wash, which strips coating and shortens roof life. Note any slipped tiles or cracked ridge capping before the first storm finds them.

Moss and lichen hold moisture against the roof surface, which shortens tile life and feeds into gutter blockages when it sheds. A professional soft wash with the right biodegradable treatment removes it safely. Pressure washing is the common mistake — it forces water under laps, lifts pointing, and can void tile warranties.

• Green or black patches on tiles usually mean moss or lichen growth
• Check ridge capping and flexible pointing for cracks after winter movement
• Note slipped or cracked tiles — a spring storm will find them first
• Coastal homes: check for salt crust on Colorbond within a few km of the water

3. Solar panels — output, salt film and bird mesh

Panels lose output to winter grime, pollen and salt spray, and the loss shows on your power bill rather than as a fault. Compare this week's output to the same week last year, clean with deionised water only, and if birds have nested under the array, fit mesh now before spring breeding starts.

Solar is the easiest thing to overlook in spring because panels keep working — just less efficiently. A 5–15% output drop from a season of grime is common, and on the coast, salt film builds up within a few kilometres of the water. Spring is also when birds start nesting under arrays, so any bird mesh needs to be in place before eggs arrive.

• Compare your solar app output to the same week last September
• Feathers, droppings or chirping under the array means nesting has started
• Clean with deionised water only — no detergents, no abrasives, no high pressure
• Fit no-drill clip mesh before breeding season, or wait months for chicks to fledge

4. Stormwater drains and surface pits

Spring storms drop a lot of water fast, and a blocked pit sends it back toward the house, under slabs and against footings. Pour a bucket into each pit and time how fast it clears — slow drainage means silt build-up or root intrusion that needs attention before October downpours.

Stormwater is the silent one. Gutters can be perfect, but if the stormwater line is blocked the water has nowhere to go and pools against the house. On older South Coast homes with clay pipe, tree root intrusion is the usual culprit and it only gets worse through the growing season.

• Pour a bucket into each surface pit — should drain within a minute or two
• Lift and clear leaf baskets in grates and channel drains
• Look for pooling near footings after rain — a drainage warning sign
• Slow pits usually mean silt or root intrusion — a plumber can jet or camera the line

5. Bushfire prep — ember mesh and defensible space

Every BAL-rated property on the South Coast and in the Highlands should have metal ember mesh fitted and 20 metres of defensible space cleared before fire season. Book in September — once the first warnings appear, tradie availability disappears. Clear roof valleys and leaf litter, not just the gutters.

Ember attack is how most homes catch fire — embers travel kilometres ahead of the fire front and land in gutters, roof valleys and underfloor spaces. Metal ember-rated mesh (not plastic leaf catchers) is the right defence. September is when to book it, because by November every installer on the coast is flat out.

• Use metal ember-rated mesh, not plastic — plastic melts and fails in radiant heat
• Clear leaf litter from roof valleys and solar arrays, not just gutters
• Maintain a 20 m defensible space where the block allows
• Check your home's BAL rating and match mesh to the requirement

6. Trees, branches and overhangs

Spring growth is when overhanging branches become a problem — they drop leaf litter onto the roof, rub tiles in wind, and give possums a bridge to the gutters and solar array. Trim branches back a metre from the roof line and remove dead limbs before the first spring storm loads them.

Branches that were fine in winter can suddenly be a problem once sap rises and weight returns. A branch rubbing a tile in wind will lift it; a branch over the solar array will shade it and drop debris. Spring pruning keeps the roof clear and removes pest access.

• Trim branches a metre clear of the roof and solar array
• Remove dead or split limbs before spring storms load them
• Watch for possum runs — branches to the gutter line are their highway
• Keep palms and tree ferns cut back — fronds are a top gutter clogger

7. Exterior checks — fascia, vents, flashings and downpipe fittings

Walk the perimeter and look up: check fascia for rot or rust, confirm roof vents and flue flashings are sealed, and make sure downpipe brackets are tight. Winter movement loosens fixings, and a loose downpipe fitting leaks water back along the wall, not down the pipe.

The quick perimeter walk catches the small failures that lead to big ones. A rusting fascia, a lifted vent flashing, or a loose downpipe bracket each let water track where it should not — into the wall cavity, under the eave, or behind the cladding. Catch them in spring and they are a handyman fix; leave them and they are a repair job.

• Check fascia and eave lining for rot, swelling or rust
• Confirm roof vent and flue flashings are sealed and seated
• Tighten loose downpipe brackets and check the seal at the gutter outlet
• Look for water stains down the wall under each downpipe

What is safe to DIY and what should a professional handle?

Ground-level checks, drain flushing, clearing surface grates and garden pruning are safe DIY. Anything involving a ladder, roof edge, two-storey home or steep pitch is where people get hurt — Keith holds RIIWHS204E working-at-heights certification and a White Card, and uses roof-safe equipment. Combine jobs on one visit to save on call-out.

The line is simple: if your feet leave the ground and the job is above head height on a two-storey or steep roof, it is a professional job. Falls from ladders are one of the most common home injuries in Australia, and roof work needs proper anchor points and harness gear. Coast Flow can bundle gutter clean, roof check, solar clean and bird mesh into one visit.

• Safe DIY: visual checks, drain flushing, clearing surface grates, garden pruning
• Leave to a pro: roof access, gutter cleaning at height, roof washing, bird mesh
• Combine several spring jobs on one visit to save on call-out costs
• Ask for a photo report — useful for insurance and future sales

How long should a spring property check take?

A thorough ground-level walk takes 20–30 minutes for an average South Coast home. The professional roof, gutter and solar work that follows is typically a half-day visit for a single-storey home and a full day for two-storey or heavily treed properties.

The checklist itself is quick — it is the walk that matters, because it tells you what to book. Most homeowners spend an afternoon on the DIY parts and then book one combined visit for the height and roof work.

How much does a spring property check cost with Coast Flow?

Coast Flow quotes per job, not per hour, and bundles gutter clean, roof soft wash, solar clean and bird mesh on a single visit where possible. Call Keith on the business line for a fixed-price quote — there is no obligation, and honest advice about what actually needs doing this season.

Because every South Coast home is different — tree cover, roof pitch, storeys, BAL rating — Coast Flow prices on the job, not a flat rate. A fixed quote means you know the number before work starts, and Keith will tell you straight if something can wait until next season.