15 July 2026 · 3 min read
Horizontal slat fencing has become one of the most requested garden features across Leeds. It brings a clean, contemporary look that suits both modern new-builds in areas like Alwoodley and Horsforth and older terraced homes closer to the city centre. At CLM Projects we install a fair amount of it, and there are a few things worth knowing before you commit, whether you're planning the work yourself or bringing in a team.
The first thing to understand is that horizontal panels are not simply vertical panels turned on their side. The design puts more strain on the posts, and the gaps between slats mean wind can pass through rather than pushing against a solid surface. That's actually a benefit in exposed gardens, but it means the posts and fixings have to be spot on. We set our posts in post mix and check each one is truly plumb before the slats go up, because any lean shows immediately on a horizontal run. Cutting corners at this stage is the most common reason a fence starts sagging within a year or two.
Timber choice matters just as much. The fresh, treated wood grain you see on a newly finished fence looks superb in bright Yorkshire sunlight, but that appearance depends on the quality of the timber and the treatment. Leeds gets plenty of rain, and untreated or poorly treated wood will grey and warp faster than most people expect. We use properly treated timber and recommend an annual coat of protective stain or oil to keep the colour and slow down weathering. If you've ever seen a run of panels where one section looks noticeably older and darker than the rest, that's usually down to a repair being made with untreated wood or a panel that missed its maintenance.
Ground preparation is another area people underestimate. A lot of the gardens we work in start out overgrown, with old breeze block or concrete coping walls that the new fence needs to sit above or alongside. Mounting slatted panels on top of an existing wall can work beautifully and adds height without the cost of a taller fence, but the wall has to be sound first. We check the coping and brickwork before fixing anything to it. If the base isn't solid, no amount of good timber will save the job.
Horizontal fencing also pairs well with wider garden work. We often install it alongside porcelain patios or block paving, and planning both together tends to give a tidier result than doing them piecemeal. The lines of the slats and the joints in the paving can be lined up so the whole space feels considered rather than assembled in stages. If you're already thinking about a patio, it's worth mentioning the fencing at the same time.
A few honest points on timing. Fencing work in Leeds is easiest in drier spells, simply because post mix sets more reliably and the site stays workable. Autumn and winter jobs are perfectly doable, they just occasionally take a little longer around the weather. We'd always rather set a post properly than rush it to beat a shower.
We cover Leeds and the surrounding West Yorkshire towns, and we're happy to talk through what will suit your garden, your budget and how much upkeep you're realistically willing to do. Every garden is different, and the right answer for a compact courtyard isn't the same as for a long, exposed boundary.
If you're considering horizontal slat fencing, or a fence and patio together, get in touch with CLM Projects for a straightforward quote and some honest advice on what will last.