
20x40m vs 20x60m Home Arena: Which Size Is Right for You?
Choosing between a 20x40m and 20x60m arena is one of the biggest decisions when building a home facility. Both are common sizes, but they suit different situations. Get it right, and you'll have years of enjoyable training. Get it wrong, and you'll either feel cramped or waste money on space you don't need.
The Core Difference
The 20x60m arena is 50% longer than a 20x40m. That extra 20 metres makes a noticeable difference in how the space feels and what you can do with it. A 20x40m arena is tight but functional; a 20x60m arena feels genuinely spacious.
The width—20m—is standard. It's the length that changes the experience.
20x40m: The Honest Reality
A 20x40m arena is the entry-level size for serious home facilities. It's what many British riders start with, especially if land is limited or budget is tight.
Where it works well:
- Dressage schooling up to novice or intermediate level (with discipline)
- Jump training over small poles and courses
- General flatwork and hacking preparation
- One or two horses, regular work
- Properties with 0.5–1 acre available
The arithmetic seems tight because it is. You've got roughly 800 square metres. At a walk, you can manage a 20m circle, but it's snug. At a trot or canter, 20m circles demand focus and feel restrictive. Serpentines and half-circles work, but long, flowing diagonals? You'll sacrifice a stride or two.
The practical squeeze: Most riders schooling at 20x40m report that long straight lines become harder to maintain. You're always managing your paces to fit the space. Jumping a course of four fences is doable; jumping flowing, gymnastic lines feels compromised.
Maintenance truth: A smaller arena does mean lower surface costs and quicker maintenance routines. If you're budgeting for surfaces and ongoing upkeep, this matters.
20x60m: The Breathing Room
A 20x60m arena is the professional standard. Most public riding schools and competition venues use this size because it suits nearly everything without compromise.
Where it excels:
- Dressage training at all levels (including advanced)
- Jump courses with flowing lines and approach strides
- Multiple horses (four or more)
- Lessons and group schooling
- Properties with 1–1.5 acres available
With 1,200 square metres, you can build proper 20m circles at any pace and still have room for approach work. Half-circles and serpentines flow naturally. Jumping lines—related distances, bounces, vertical to oxer combinations—sit comfortably without riders constantly adjusting their stride.
The psychological difference is real. Riders in 20x60m arenas often report feeling less rushed and more creative with their schooling. You can work on multiple disciplines in one session without feeling like you're cheating on space for one or the other.
The cost factor: Yes, surfaces and maintenance cost more. A 20x60m arena needs roughly 50% more material and upkeep time. But if you're serious about long-term training or own multiple horses, spreading that cost over heavy use makes it reasonable.
Matching Size to Your Needs
Go with 20x40m if:
- You have one or two horses
- Land is genuinely tight (under 0.75 acres free)
- Dressage is your primary focus (circles are the real constraint; flatwork shapes up fine in smaller spaces)
- You school mostly alone
- Your budget is tight and you plan to upgrade later
Choose 20x60m if:
- You own three or more horses
- You have 1+ acres available
- Jumping is part of your programme
- You want long-term flexibility without rebuilding
- You might share the facility with friends or family riders
The Land Question
This is where most decisions get made. A 20x60m arena with 3–4m clearance around perimeter fencing needs roughly 1.2–1.4 acres. A 20x40m needs 0.7–0.8 acres. If your property is smaller than 0.7 acres total, a 20x40m might be your realistic option.
Measure twice. Account for access roads, gates, and horse movements around the arena perimeter. A facility that's technically "large enough" but leaves no manoeuvring space feels constrictive quickly.
The Middle-Ground Temptation
Some riders wonder about 20x50m. Don't. It's a compromise that satisfies neither budget nor performance. You'll still feel squeezed on long lines, yet the build costs run nearly as high as 20x60m. Stick with one of the standard sizes.
What Matters Most: Honest Use
If you're genuinely building a home facility, ask yourself how many hours a week you'll ride, whether you'll add horses later, and which disciplines matter most to you. A 20x40m works brilliantly for someone with one horse and realistic expectations about dressage progression. A 20x60m makes sense for anyone planning to stay long-term or work with multiple animals.
Once you've settled on size, budget for quality fencing, good footing (this affects your surfaces and long-term costs), and proper drainage. These matter far more than squeezing an extra few metres of length.
For deeper detail on cost breakdowns across sizes, see our home arena cost guide. To understand surface options and durability, check our footing and surface pillar.
More options
- Horse Arena Drag & Leveller (Amazon UK) (Amazon UK)
- LED Floodlights for Equestrian Arenas (Amazon UK) (Amazon UK)
- Equestrian Training Mirrors — Acrylic/Polycarbonate (Amazon UK) (Amazon UK)
- Geotextile Membrane for Arena Sub-Base (Amazon UK) (Amazon UK)
- Equestrian Arena Surface & Fencing Suppliers (AWIN — e.g. Monarch Equestrian, Martin Collins Enterprises) (Amazon UK)