Hanging a door is one of those jobs that looks deceptively simple on a home improvement show. You see a professional click a couple of hinges into place, and suddenly, the room is transformed. In reality, door hanging is one of the most technical and frustrating tasks a homeowner can undertake.
If you get it right, the door glides silently and stays exactly where you leave it. If you get it wrong, you end up with a door that creaks, sticks, or: worse: refuses to close at all. At Local Carpenter, we see these issues all the time when we are called in to fix DIY projects that didn’t go quite to plan.
Whether you are in Farnham, Camberley, or Farnborough, the principles of a perfectly hung door remain the same. Here are the five most common mistakes we see and exactly how you can avoid them.
1. Failing to Account for Floor Levels and Carpet Height
One of the most frequent errors happens before the door even touches the hinges. Many homeowners measure the door frame but forget to look at what is happening on the floor. If you are replacing a door in an older house in Surrey or Hampshire, there is a very high chance your floors are not perfectly level.
Check your floor clearance before you start cutting.
If you have a thick carpet or are planning to install new flooring soon, you need to factor this into your measurements. A door might swing perfectly over a hardwood floor but get completely stuck once it reaches the edge of a rug or a carpeted hallway.
Always measure at both sides of the door opening.
Don’t assume the floor is flat. Measure the distance from the head of the frame to the floor on both the left and right sides. If there is a difference, you will need to scribe the bottom of the door so it follows the slope of the floor. Failing to do this leads to a door that drags, ruins your carpet, and puts unnecessary strain on the hinges.
2. Incorrect Hinge Placement and Depth
The hinges are the most critical part of the installation. If the hinges aren’t right, nothing else will be. A common mistake is “eye-balling” where the hinges should go or not cutting the recesses (mortises) to the correct depth.
Use a marking gauge for precision.
Many DIYers try to use a tape measure and a pencil to mark hinge positions, but this rarely offers the accuracy needed. A marking gauge allows you to set the exact depth and width of the hinge and transfer that measurement perfectly to both the door and the frame.

Avoid the “hinge-bound” door.
If you chisel out too much wood and the hinge sits too deep, the door will “bind.” This means the edge of the door hits the frame before it can fully close, causing it to spring back open. Conversely, if the hinge isn’t deep enough, you’ll have a massive gap on the hinge side and the door will likely rub against the opposite frame.
Use the right screws for the weight.
As noted in our industry research, using screws that are too short (under 3.5 inches) is a recipe for disaster. Over time, the weight of the door will cause short screws to pull out of the timber, leading to a “dropped” door. We always recommend using high-quality, long screws that bite deep into the stud work behind the door jamb.
3. The “Point of No Return”: Over-Trimming the Door
There is an old saying in carpentry: “Measure twice, cut once.” When it comes to trimming a door to fit a frame, this couldn’t be more important. Once you have planed or sawn off too much wood, you cannot put it back.
Take off less than you think you need.
It is tempting to try and get the fit perfect in one go. However, a professional approach involves taking small amounts off at a time and checking the fit frequently. If you are using a power planer, set it to a very shallow depth.
Watch the “stiles” of the door.
Modern doors, especially hollow-core or engineered ones, have a limited amount of solid wood (the stiles) around the edges. If you trim too much: usually more than 10mm to 20mm depending on the manufacturer: you can actually compromise the structural integrity of the door. You might find yourself hollowing out the edge of the door entirely, leaving nowhere for the hinges or lock to grip.
If you find that your frame is so out of shape that the door requires massive amounts of trimming, it might be time to contact a professional. We provide a dedicated door hanging service across Berkshire and Surrey to ensure your expensive new doors aren’t ruined by over-trimming.
4. Ignoring the “Reveal” and Out-of-Plumb Walls
The “reveal” is the gap between the door and the frame when the door is closed. Ideally, you want a consistent 2mm to 3mm gap all the way around. Many homeowners focus so much on getting the door into the hole that they ignore how the gaps look.
Don’t follow a crooked wall.
If your wall is leaning (out of plumb), and you hang the door parallel to that wall, the door will never stay put. It will either swing open or shut on its own, which is incredibly annoying. This is a common issue in period properties throughout Camberley and Farnborough.

Use a long level to check the frame.
Before you even think about the door, check the frame with a 6-foot level. If the frame is twisted or leaning, you will need to adjust your hinge depths or shim the hinges to compensate. Research suggests that uneven reveals are the leading cause of warped doors over time because the tension on the wood isn’t balanced.
5. Messing Up the Hardware Alignment
Even if the door hangs perfectly, the job isn’t done until the latch and handle work smoothly. A common mistake is installing the latch or strike plate slightly off-centre. This leads to a door that you have to “yank” or “shoulder” to get it to click shut.
Mark the latch height from the floor.
Don’t just measure from the bottom of the door, as you may have trimmed the bottom. Measure the height of the latch from the floor level to ensure it aligns perfectly with the strike plate on the frame.
Avoid over-tightening hardware.
When installing handles and locks, it is easy to over-torque the screws. This can compress the wood or cause the internal mechanism to bind. Snug is usually enough. If the hardware feels stiff, back the screws off by a quarter turn and see if it improves the movement.
Why Small Mistakes Lead to Big Problems
It might seem like a 2mm gap or a slightly loose hinge isn’t a big deal. However, doors are heavy moving objects. A small misalignment today becomes a dragging door in six months. Constant dragging puts pressure on the door frame, which can eventually cause cracks in your plasterwork or damage to your flooring.
At Local Carpenter, we believe in doing the job right the first time. We know that many people search for how much a carpenter costs and worry that hiring a pro for “just a door” isn’t worth it. But when you consider the cost of a high-quality oak door, it makes sense to ensure it is installed by someone who knows the pitfalls.
When to Call in Local Carpenter
We understand the satisfaction of DIY, but we also know that life gets busy. If you’ve started a project and realised it’s more complicated than the YouTube tutorial suggested, don’t worry. We have a “no job too small” policy. Whether it’s one sticking door in Camberley or a full set of new internals in Farnham, we are happy to help.
The benefits of using our professional service include:
- Fully Insured: You have total peace of mind while we are in your home.
- Clear, Straightforward Pricing: No hidden costs or “carpenter’s math.”
- Expert Knowledge: We understand the specific challenges of Surrey, Hampshire, and Berkshire homes.
- The Right Tools: From track saws for clean cuts to specialised hinge jigs, we have the gear to get a factory-finish result.
If you are unsure whether you need a carpenter for your specific project, you can read our guide on what carpentry jobs are common in Surrey homes to see how we usually help homeowners like you.
Ready to Get Those Doors Sorted?
Don’t spend another weekend fighting with a door that won’t close or a latch that won’t click. Whether you need a carpenter in Camberley or someone to handle a tricky installation in Farnborough, we are ready to help.
Hanging doors correctly is an art form, and we’ve spent years perfecting it. We pride ourselves on being straightforward, honest, and reliable.
Give us a call or send us an email today.
We can provide a clear quote and get your home looking its best without the DIY stress.