Board and Batten Walls: Spacing, Height and Two Ways to Do It

Unlike most panelling styles, board and batten started outdoors. It was a cladding technique: wide vertical boards nailed to a timber frame, with narrow battens covering the joints between them to keep weather out. You still see it on barns across Scandinavia and rural America, which is why the style carries a farmhouse association even when it is painted sage green in a London terrace.

The interior version keeps the geometry and drops the weatherproofing job. On a flat plastered wall the boards themselves become unnecessary, so most UK projects are battens fixed straight to the wall, with paint unifying everything. The result is indistinguishable from the boarded version and costs a fraction as much.

Key rule: pick a target bay width, then let the wall decide the exact number. Battens look best 300 to 500 mm apart, with a batten tight to each end of the wall. Because the battens themselves have width, the arithmetic trips people up:

bay width = (wall width - (number of battens x batten width)) / (number of battens - 1)

Worked example on the 2400 mm wall above: six 40 mm battens use 240 mm of wall, leaving 2160 mm across five bays, so each bay is 432 mm. Some quick reference points for 40 mm battens at roughly that spacing:

Wall width	Battens	Bay width
1800 mm	5	400 mm
2400 mm	6	432 mm
3000 mm	7	453 mm
3600 mm	9	405 mm
4200 mm	10	422 mm

The batten spacing calculator does this instantly for any wall, and the spacing guide walks through the maths in full. If a doorway or window interrupts the wall, plan the spacing across the full width first, then simply omit the battens that fall inside the opening; the rhythm stays intact.

Both are traditional, and they do different jobs:

• Half height (900 to 1200 mm) is the American entryway classic: battens up to a horizontal cap rail, often with a narrow shelf or peg rail on top for coats. It protects the wall where bags and shoulders hit it, which is the style's original interior purpose. Practical in hallways, boot rooms, and behind dining benches.
• Full height turns the wall into architecture. The unbroken vertical lines add apparent ceiling height, which makes this the better choice for boxy modern rooms. Behind a bed it does the work of a headboard.

One detail worth stealing from the originals: finish a half-height version with a cap rail that overhangs the battens by 15 to 20 mm. That small shadow line is what separates a considered job from strips that just stop.

The templates below apply two distinct takes on the style, and each sets a batten width and target spacing that scale to your wall:

• Classic Board & Batten: 40 mm battens with bays around 430 mm. The traditional proportion, at home in farmhouse and period rooms alike.
• Wide & Minimal: 45 mm battens with sparse bays around 700 mm. Fewer, more deliberate lines for contemporary rooms; this version relies on very accurate spacing because each bay is so visible.

If you want the dense, fluted version with battens a few centimetres apart, that is its own style with its own rules; see the slat wall page.

Board and batten is the best first panelling project because every cut is the same: vertical strips, one length, no mitres. The order that produces clean results:

1. Fix your layout in millimetres before buying anything. The planner gives you exact batten positions and a cut list, so the timber merchant trip happens once.
2. Paint the wall first, then fix battens with grab adhesive and a couple of pins per strip.
3. Check each batten with a level, not a tape measure from the last one. Small errors accumulate across a wall; plumb lines do not.
4. Caulk the long edges and paint everything in one colour. Contrasting battens almost always look like a mistake; the style works through shadow, not colour difference.

Skirting is the one junction to think about in advance: either stop battens on top of the existing skirting (simplest), or remove the skirting and run battens to the floor with a new flat base board (cleanest). Deciding after the adhesive is open is how projects go sideways.