A front door does more work than most homeowners give it credit for — security, insulation, first impressions, and weatherproofing, all in one panel. It's also one of the easiest things to patch up cosmetically while the real problem keeps getting worse underneath. Here's how to tell which category yours falls into.
1. It's swelling, sticking, or won't sit flush
A door that's started sticking in humid weather, or that needs a shoulder-check to close properly, is telling you the timber has absorbed moisture and started to swell or warp. A repaint won't fix this — it might hide it for a season, but the movement will keep happening every time the weather changes. If the door is warping rather than just swelling seasonally, replacement is usually the more sensible option than repeated adjustment.
2. Daylight, draughts, or noise around the edges
Stand inside with the door closed on a bright day. If you can see daylight around the frame, or feel a draught with your hand, the door has likely dropped slightly on its hinges or the frame has moved — both common in older Sydney homes as they settle. Weatherstripping can help at the margins, but if the gap is structural rather than just worn seals, no amount of sealant fixes it properly.
3. Soft or crumbling timber, especially at the base
Press a screwdriver or your thumb gently into the bottom rail of the door, particularly if it's timber and faces the weather. If it feels soft, spongy, or crumbles rather than holding firm, that's rot — and rot doesn't stop at the surface. Repainting a rotting door seals moisture in rather than out, which accelerates the problem rather than solving it.
4. The lock or hinges are failing structurally
Worn hinges can usually be replaced without touching the door itself. But if the timber around the lock or hinges has chewed out, stripped, or cracked — often from years of a heavy door pulling on ageing screws — that's a sign the door itself, not just its hardware, is reaching the end of its usable life.
5. It's a genuine security or insurance concern
Older doors, particularly single-skin timber doors without a solid core, offer far less resistance to forced entry than modern doors. If you're renovating, selling, or simply thinking about home security, this is worth weighing even if the door still "looks fine."
What replacement actually involves
A front door replacement is usually more contained than homeowners expect — removing the old door and frame, checking and adjusting the opening, fitting the new door and frame, and installing hardware and weatherproofing. Where the surrounding brickwork or timber is sound, this is typically a one-to-two day job, not a major renovation.
Frequently asked questions
Can a swollen door just be planed down instead of replaced?
Sometimes, if the swelling is minor and consistent. But planing removes material permanently — if the door swells again in a different season or spot, you're now dealing with a thinner, weaker door as well as the original problem.
How much does front door replacement typically cost?
This varies widely with door material and glazing, but budgeting for both the door itself and professional installation — including any frame or lockset work — gives a more realistic picture than the door price alone.
Is a new front door worth it if I'm planning to sell?
Front entries carry disproportionate weight in first impressions for buyers. A tired, ill-fitting door is one of the more noticeable and inexpensive things to fix before a sale.