Horses test fencing in ways sheep and dogs never will. They lean, crib, scratch, spook and occasionally run straight at it, so the fence you pick has to keep the animal in and, just as importantly, keep it from injuring itself. Here is what actually works on Hampshire paddocks, and what to avoid.
Timber post and rail remains the standard for good reason. It is highly visible, so a horse cantering at dusk can see where the boundary is, and it fails in a forgiving way. A rail that breaks usually snaps clean rather than wrapping around a leg.
For most riding horses, aim for three rails at a total height of around 1.3m to 1.4m, with the top rail at wither height or above. Ponies and youngstock often need a fourth low rail to stop them ducking underneath. Rails should be fixed on the inside of the posts wherever possible, so a horse leaning on the fence pushes the rail against the post rather than off its nails.
Post and rail with horse-safe mesh underneath is the safest combination, particularly for foals, minis or paddocks bordering a road or a public footpath. Use a mesh with apertures too small for a hoof to pass through, such as 50mm x 50mm or the diamond V-mesh patterns sold specifically for equine use. Standard square stock netting is a genuine hazard because a hoof goes through and does not come back out.
Electric has a place, but as a deterrent layer rather than a boundary. A single strand of wide tape or rope run along the inside of a timber fence stops cribbing, leaning and chewing, and will noticeably extend the life of the rails. What it should not do is form the perimeter on its own where there is traffic or a bridleway on the other side, because a power cut or a shorted line leaves you with nothing.
Around Winchester you will often be working on chalk with a thin topsoil, and that changes how posts behave. Chalk drains well but gives poor grip on a plain driven post, so straining posts on long runs and at corners generally need concreting or bracing. On the heavier clay pockets towards the Itchen valley and the flatter land east of the city, the opposite problem appears: winter heave gradually lifts posts, and any run that crosses a wet hollow needs deeper setting and a proper strainer either side.
Exposure matters too. On open downland the wind loading on a long straight run is significant, so a stay or brace every 50m or so is worth the small extra cost. Anywhere the ground moves seasonally, leave a rail joint that can flex rather than butting everything tight.
As a rough guide, three rail treated softwood post and rail typically lands somewhere in the region of £30 to £50 per metre supplied and installed, with mesh adding roughly £10 to £20 per metre on top. Ground conditions, access for machinery, clearance work and the number of gates move that figure more than anything else, so treat those numbers as a starting point rather than a quote.
Well specified treated softwood should give you 15 to 20 years, sometimes more if a hot line keeps horses off it. Cheap untreated rails may look identical on day one and be soft at ground level within five years. If budget is tight, the better saving is a smaller well built paddock rather than a large poorly built one, because a failed fence with a loose horse costs far more than the fence ever did.
Around 1.3m to 1.4m suits most horses, measured so the top rail sits at or above wither height. Go taller for stallions, competition horses or anywhere a horse might be tempted to jump out.
It works well for temporary grazing divisions and strip grazing, but it is a poor permanent boundary next to roads, bridleways or neighbouring land. A power failure or a shorted line removes the only thing keeping the horse in.
Most agricultural and paddock fencing up to 2m falls under permitted development, but boundaries next to a highway are limited to 1m, and listed buildings, conservation areas and the South Downs National Park all have tighter rules. Check with Winchester City Council or the relevant park authority before you start if any of those apply.
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