Why do garage entrances fail before the rest of the drive?
Because the garage apron is where everything concentrates. Cars slow down, stop, turn the wheels on the spot and reverse out, often on the same few square metres. Water from the whole drive tends to arrive there too, especially when the garage sits lower than the street. A small weakness that would go unnoticed elsewhere shows up here first.
On villas along the Costa del Sol, the garage is often built into the slope beneath the house, with the drive running down to it. That arrangement looks elegant and saves space, but it combines the two hardest conditions for paving: a slope that speeds up water and a flat apron at the bottom where vehicles turn. Getting that junction right is the heart of the job.
Mistake one: what goes wrong with the falls?
The most common error is letting the apron fall towards the garage door, either because the levels were set by eye or because the paving was matched to an existing surface that already sloped the wrong way. The result is water at the door after every heavy shower, and over time water working into the base right where the load is highest.
- The apron should fall away from the door wherever the site allows it.
- Where it cannot, a channel drain across the full opening is essential, set just outside the door line.
- The channel needs a real outlet: a pipe, a gully or a soakaway away from the building.
- Falls are shaped in the compacted sub-base, never by thickening the grit bed.
- The threshold level of the garage is a fixed point that all other levels respect.
A related mistake is a channel that is installed but never connected, or connected to a pipe that is already full. It looks right and fails at the first storm. Our guide to falls and drainage on driveways explains how outlets are planned.
Mistake two: why is a thin base a problem at the garage?
Because the apron takes twisting loads that a straight drive does not. A sub-base that copes with cars rolling in a straight line can deform where the wheels turn on full lock and where a car stops and pulls away. The paving above follows, first as a slight dip, then as loose blocks and open joints.
Thin or poorly compacted bases usually happen for three reasons: excavation stopped too early to save time, the sub-base was tipped in one thick layer and compacted only on top, or soft ground was left in place under a layer of new aggregate. None of these is visible once the pavers are down, which is why the build-up should be described in the quote and, for owners who are away, documented with photos during the works.
If your garage apron has already sunk, the repair means lifting the blocks, correcting the base and relaying, which our sister site handles under sinking at garage entrances.
Mistake three: how do weak kerbs and edges show up?
As joints opening along the sides of the apron, edge blocks dropping, and kerbs leaning outwards into the garden. The apron is often bordered by planting, a wall or a step, and those transitions are where shortcuts happen: a kerb set on a few dabs of mortar, an edge left against soil, or a gap filled with grit rather than a proper detail.
Turning wheels push the paving outwards, so the edge must resist that push from day one. That means kerbs or edging bedded and haunched in concrete, installed before the main paving and allowed to gain strength first. The reasoning and the detail are in our guide to edge restraint on driveways.
Are there other mistakes worth checking?
Yes, a few smaller ones that tend to accompany the main three. They are worth checking on any quote or any newly finished apron, because each of them makes the main failures more likely.
- A pattern laid in straight rows across the direction of travel, which creeps under turning wheels.
- Thin slivers of cut block along the door line or around a manhole, which crack and come loose.
- Manhole covers left at the old level, so the new paving is shaped around them.
- Joints not fully filled, or never topped up after the first rains.
- Pavers chosen for pedestrian areas and laid where cars turn.
- A step or lip at the door that cars hit, loosening the first row of blocks.
None of these needs special technology to avoid. They need time spent on set-out, cutting and compaction, which is where a cheaper quote sometimes saves its money.
How can you check a garage entrance before and after the work?
Before the work, ask the contractor three questions: where will the water go, what is the build-up under the apron and how will the edges be fixed. Clear answers to those three cover most of what can go wrong. A quote that answers them in writing is easier to hold to later.
- Ask to see the fall direction marked on site or on a photo before laying starts.
- Request photos of the compacted sub-base before the grit bed goes down.
- Check that kerbs are haunched, not just bedded.
- After the first heavy rain, look at the door line and the channel.
- Walk the apron and feel for any block that moves underfoot.
We work this way on our garage entrances and, when the garage sits at the foot of a steep drive, on our sloping driveways. Owners abroad receive photos at each of those stages.
What should you do if your garage apron already has these problems?
First, identify which of the three it is, because the fix differs. Water at the door with a level apron points to drainage; dips in the wheel tracks point to the base; open joints along the sides point to the edges. Often two are present together, and the repair has to address both.
Send us a photo and the approximate m² – free, no-obligation quote. A wide shot of the apron, a close-up of the door line and, if possible, a photo after rain tell us most of what we need. If the problem is mainly sinking, we will point you to the sister site that specialises in it; if the apron needs rebuilding, we quote it here.
Frequently asked questions
Why does water collect in front of my garage door?
Usually because the apron falls towards the door, or because a channel drain there is missing, blocked or not connected. Check the channel first by lifting the grating and flushing it. If the apron itself slopes the wrong way, the fix involves relaying it to new falls.
Is a channel drain always needed at the garage?
Only if water would otherwise reach the door. If the apron can fall away from the garage, a channel there may not be necessary. Where the garage sits lower than the drive, a channel across the full width of the opening is essential.
Why have the blocks sunk only where I turn the car?
Turning on full lock twists the paving and loads the base unevenly. If the sub-base was too thin, poorly compacted or laid over soft ground, it deforms first where those twisting loads occur. The blocks then follow, creating a dip and loose joints.
Can loose edge blocks at the garage be fixed alone?
Yes, if the base under the rest of the apron is sound. The loose blocks and the faulty edge are lifted, the edge is rebuilt in concrete and the blocks are relaid. If the looseness has spread across the apron, a larger area may need relaying.
Which paving pattern suits a garage entrance?
Interlocking patterns such as herringbone, or interlocking shapes such as double-T, resist the sideways push of turning wheels better than straight rows. Straight stretcher bond can work on a straight drive but tends to creep where cars turn and brake.
How do I know the base was built properly if I was not there?
Ask for photos of the compacted sub-base before the grit bed goes on, and for the build-up to be described in the quote. We send those photos to owners who are away. Once the pavers are down, the base cannot be seen, so this is the moment to check.
Should the paving be level with the garage floor?
The paving should meet the threshold at a level that keeps water out and lets cars pass without a jolt. A step or lip that wheels hit loosens the first row of blocks over time. The garage floor level is treated as a fixed point in the set-out.
Can a manhole on the apron be left as it is?
It should be adjusted to the new finished level and the paving cut neatly around it. Leaving a manhole at the old level forces the paving into an awkward shape and creates small cut pieces that crack. Raising or lowering covers is listed in the quote.
Is the garage apron a different job from the rest of the drive?
It is part of the same job but deserves its own attention in the quote, because it takes more load and more water. We often treat it as a separate zone with a stronger build-up, its own drainage detail and well-fixed edges, while the rest of the drive uses the standard build.
What photos help you assess my garage entrance?
A wide shot showing the apron and the drive leading to it, a close-up of the door threshold and any channel, and a photo after rain if possible. Add the approximate m² and say which vehicles use the garage. That is enough for an initial view.