Most simulator projects go wrong in the same order: the sensor gets researched for weeks, the room gets measured afterwards, and the unit goes back because the garage was four feet short. A simulator is a room with hardware in it, not hardware in a room. This covers what the parts actually do, how much space each arrangement needs, and the decisions that have to happen before anything is bought.
What a simulator is actually made of
The word describes a system, and every part of it is sold separately by different companies.
| Part | What it does | If you skip it |
|---|---|---|
| Sensor | Measures the ball, and on better units the club | There is no simulator, only a net |
| Mat | What you strike off, and what protects your wrists | Hitting off concrete or bare floor injures people |
| Impact screen | Takes the ball and carries the projected image | No image, and the ball goes into the wall |
| Enclosure | Frame and side netting that contains a mishit | Mishits find windows, cars and drywall |
| Projector | Puts the course on the screen | The sensor still works, you just watch a laptop |
| Software | Courses, practice modes and shot analysis | The sensor reports numbers and nothing else |
The sensor is the part everyone researches and it is frequently not the largest line item once the room is finished. A mid-range screen and enclosure together commonly cost as much as the sensor sitting in front of them, which is the detail that catches first-time buyers.
You can also stop well short of the full list. A sensor on a mat hitting into a plain net, with no screen, enclosure or projector, gives real ball data for practice and takes a fraction of the room and the budget. That smaller setup is covered in practising golf at home, and the netting side of it in best golf nets.
How much room it actually needs
This is the section to read twice, because it is the one that cannot be fixed after the fact.
TrackMan's guidance for a garage build recommends roughly 9 to 10 feet of ceiling height, 10 to 15 feet of width and 15 to 20 feet of depth for a comfortable bay. Its more recent complete setup guide puts the sweet spot at 15 to 20 feet of width, 10 to 13 feet of height and at least 18 feet of depth.
| Dimension | Garage guidance | Complete setup guidance |
|---|---|---|
| Ceiling height | 9 to 10 feet | 10 to 13 feet |
| Width | 10 to 15 feet | 15 to 20 feet |
| Depth | 15 to 20 feet | 18 feet and up |
The two sets differ, and the difference is worth understanding rather than averaging away. The lower figures describe what fits. The higher ones describe what is comfortable for a full-speed driver swing with room to stand back from the screen. A build at the bottom of both ranges works and will feel tight.
Depth in particular depends on where the sensor sits. A radar unit positioned behind the golfer needs meaningfully more room than a ceiling-mounted or beside-the-ball camera, which is the single biggest variable in the whole calculation and the reason a generic figure can mislead.
The sensor categories, without the brand names
Three approaches, and the differences are real rather than marketing.
Radar units track the ball in flight and derive club data from it. They generally need the most depth, because the radar has to see enough of the flight to work with, and they perform best where there is room behind the golfer.
Camera and photometric units photograph the ball and club over the first few inches after impact. They typically need less depth than radar and are more sensitive to lighting, and they are the common choice for a garage where depth is the constraint.
Optical and infrared units read the club rather than the ball, then model the flight from it. They are the cheapest way to hit shots indoors and the honest limitation is in that sentence: nothing is measuring the ball, so strike quality does not show up the way it does on a unit that tracks it.
The individual systems, what each tier measures rather than models, and how they compare on price sit in best golf simulators. For a sensor bought on its own without a room built around it, best launch monitors covers the standalone side.
Screen, enclosure and mat
The three parts that take the physical punishment, and the three most often under-specified.
An impact screen is engineered fabric, not a bedsheet, and it is tensioned rather than hung loose. A screen with no tension at the bottom edge flexes unpredictably and returns balls harder than a properly mounted one, which is a safety issue rather than a performance one. The materials and mounting are covered in best golf impact screens.
The enclosure is the frame plus the side and ceiling netting, and its job is the shot that goes wrong. A pushed drive off the toe leaves the screen area entirely, and what it meets next is either netting or the garage wall. Options and frame types are in best golf simulator enclosures.
The mat is where the injuries come from. A thin mat on concrete transmits the shock of a fat shot straight into the lead wrist and elbow, and a golfer hitting several hundred balls a week off one will eventually feel it. Thickness and turf construction are covered in best golf hitting mats.
What it costs, honestly
The range is enormous and any single figure is misleading, so it is more useful to understand the shape of the spend than to quote a total.
At the low end, a club-reading unit hitting into a net with no screen or enclosure is a few hundred pounds and needs almost no room. In the middle, a camera sensor with a screen, enclosure, mat and projector is a multi-thousand pound project where the sensor is roughly half of it. At the top, a commercial-standard installed build from one of the tour-level launch monitor makers runs well into five figures, and a standalone cage build costs roughly twice a tech-only installation, which sets the ceiling of the category.
Priced examples across the middle of that range sit on the simulator review linked above, and how a simulator compares against everything else golf costs is in what golf actually costs.
None of that includes upkeep. Screens wear from repeated impact, mats compress and lose their give, and projector bulbs dim over thousands of hours. Budgeting a small amount annually for wear is what keeps the bay performing the way it did in the first month.
What a simulator is genuinely good for
Worth being clear about, because the marketing promises more than the hardware delivers.
It is excellent for winter practice, for knowing your carry numbers, for working on strike with immediate feedback, and for playing golf at ten at night in February. It is very good for gapping a set of wedges, since a controlled environment removes wind and slope from the measurement, which is the harder half of wedge distance control.
It is poor at slopes, at lies, at wind judgement and at the mental side of a real round, because every shot comes from a flat mat with no consequence attached. A golfer who only plays indoors gets better at hitting balls and no better at playing golf. What the numbers on the screen actually mean, and where they are measured rather than modelled, is worth reading before the first session in launch monitor data explained.
Key takeaways
- A simulator is five products plus software: sensor, mat, screen, enclosure and projector.
- The sensor is not usually the biggest line item once the room is finished.
- Published guidance puts a comfortable bay near 10 feet of ceiling, 15 feet of width and 18 to 20 feet of depth.
- Radar sensors need the most depth; camera sensors generally need less and care more about light.
- Club-reading units are the cheapest way indoors and do not measure the ball at all.
- Measure for the club at the top of the backswing, not for your height.
- A screen must be tensioned. A loose one returns balls unpredictably.
- Mat thickness is a joint-health decision before it is a performance one.
- A simulator is excellent for strike and carry numbers and poor at lies, slopes and wind.
Common questions
How much space do I need for a golf simulator?
Published guidance puts a comfortable bay at roughly 10 feet of ceiling height, 15 feet of width and 18 to 20 feet of depth, with lower figures of around 9 feet of ceiling and 15 feet of depth describing what will fit rather than what is comfortable. Depth varies most, because a radar sensor behind the golfer needs more room than a camera beside the ball.
Can I put a golf simulator in a standard garage?
Often yes, and the ceiling is usually the problem rather than the floor area. A standard garage ceiling is frequently below the recommended range, and door tracks and light fittings sit inside the swing arc. Swing a driver slowly through the space before committing to anything.
What is the minimum ceiling height for a golf simulator?
Guidance starts at around 9 to 10 feet, and taller golfers need more. The number that matters is the clearance for the club head through the whole swing, not your standing height, and the practical test is a slow full-speed-path driver swing in the actual room.
Do I need a projector, or can I use a TV?
A projector is standard because the image needs to be on the surface the ball hits. A television can work in a setup where you hit into a net and watch the screen to one side, which costs less and gives up the immersion of a projected course.
Is a golf simulator worth it for practice?
For strike feedback and carry numbers in winter, genuinely yes. For learning to play golf, less so, since there are no slopes, lies, wind or consequences. The golfers who get most from one treat it as a range that works in February rather than as a replacement for playing.
What is the difference between a launch monitor and a golf simulator?
The launch monitor is the sensor inside the simulator. On its own it measures shots and reports numbers. A simulator adds the screen, enclosure, mat, projector and software that let you play a course rather than just read data.
Do simulator rounds count towards a handicap?
Usually not, unless the specific venue, course and software combination has been approved for score posting by the relevant governing body. Most home setups are built for practice and enjoyment rather than for posting scores, and it is worth checking directly rather than assuming either way.
Can I build a simulator myself?
The room, frame and screen mounting are within reach of a competent DIY builder, and plenty of good bays are self-built. The parts worth not improvising are screen tension, which affects safety, and enclosure netting, which is what stops a mishit reaching a wall.
How thick does a simulator hitting mat need to be?
Thick enough that a fat shot does not transmit the impact into your wrist, which on a concrete floor means considerably thicker than a thin range-style mat. Anyone hitting high volume indoors should treat mat quality as the joint-protection decision it is rather than as an accessory.
What is the cheapest way to hit balls indoors?
A net and a mat, with no sensor at all, gets you swinging in a very small space for very little. Add a club-reading unit and you can play a course cheaply without measuring the ball. Add a ball-tracking sensor and you have real data, which is where the cost starts to climb.
Tom Ashworth
Tom Ashworth is a PGA Professional who has taught golf since 2012, working mainly with beginners and mid-handicappers at club level in Surrey. He reviews the instruction guides on Learn Golf for technical accuracy before they publish.
Most of his teaching is with players in their first three years of the game, and most arrive having been told too much: six swing thoughts collected from videos, half of them contradicting each other. His approach is to check the grip and the alignment before touching the swing, on the basis that most bad ball flight is decided at address.