Skip to content
Grow In Backyard
Fire Pits

Firepit Bench Ideas — 8 Builds and the 7 Ft Rule

Firepit bench ideas fail on distance, not design. 8 builds compared on cost and heat, plus the 7 ft setback that decides whether anyone can sit there.

We may earn a commission when you buy through links on this page, at no extra cost to you.

Logs burning with blue and orange flames in a square metal fire pit after dark
Photo: royharryman, Pixabay Content License, via Pixabay
On this page

Most fire pit seating fails for one reason, and it is not the build quality. It is built too close, and once the fire is burning properly nobody can sit on it.

Eight builds

Cost, life and whether it can move
BuildRough costLifeMovable
Cinder block and plankUnder $10010+ yrsYes
Log roundsFree–$503–5 yrsYes
Timber bench on anchors$150–30015–20 yrsNo
Gabion and timber top$200–40020+ yrsNo
Retaining block, curved$300–600IndefiniteNo
Stone seat wall$800+IndefiniteNo
Adirondack chairs$200–50010 yrsYes
Built-in with storage$500–90015 yrsNo

1. Cinder block and plank. Two stacks of blocks and a 2×10. Under $100, an hour’s work, and it can be dismantled and rebuilt when the fire pit moves — which it usually does after the first season.

2. Log rounds. Cut from the trunk of anything you have felled, 16–18 in tall. Free, handsome, and they go soft in three to five years. Standing them on gravel rather than soil roughly doubles that.

3. Timber bench on post anchors. The standard build. Two frames, a slatted top, and the legs held out of the ground on galvanised anchors — which is the single change that takes a bench from five years to twenty.

4. Gabion with a timber top. Wire baskets filled with stone, capped with a plank. Heavy, entirely rot-proof at the base, and it reads as a deliberate design rather than a budget one.

5. Curved retaining block bench. Three courses of trapezoidal wall block laid to a radius. The blocks taper, so the curve needs no cutting, and the result is permanent and indifferent to embers.

6. Stone seat wall. The expensive end: mortared stone, 18 in high, following the fire circle. If the fire pit is itself stone, this is what matches it.

7. Adirondack chairs. Not a bench, and worth listing because movable seating solves the problem benches create — people shift with the smoke, and fixed seating cannot.

8. Built-in bench with storage. A timber box bench with a lifting lid, for cushions and firewood. Keeps the cushions dry, which is what decides whether anyone uses a hard bench.

Watch out

Three courses of standard retaining block comes to about 24 inches, which is bar-stool height and uncomfortable for an evening. Either set the first course below grade, use a thinner cap, or accept that the bench needs a 3-inch cushion to be sat on for more than ten minutes.

Laying out the circle

  • Measure from the pit edge, not its centre, to the front of the seat. Seven feet.
  • A 3 ft pit with that setback needs a 17 ft clear circle in total. That is larger than most people picture, and it is the commonest reason a seating plan does not fit.
  • Leave two gaps in the ring, opposite each other, for getting in and out and for moving when the smoke turns.
  • Check the prevailing wind before fixing anything permanent. Smoke decides which bench is the good one, and that is not obvious from a plan.

How we picked

Four supplies judged on whether a bench survives outdoors next to a fire · Picks last checked October 2026.

Distance from the fire
Radiant heat falls off with the square of distance. Build a bench at 3 ft and nobody can use it at the heat a fire pit actually reaches.
Whether the timber survives ground contact
Untreated softwood legs in soil rot in three to five years. The bench top rarely fails first — the feet do.
Fire-rated materials where it matters
Anything within about 7 ft takes radiant heat and the odd ember. Stone, block and metal are indifferent; timber scorches and plastic composite can soften.
Weight against movability
A built-in bench fixes the seating plan permanently. Movable seating costs less and survives a change of mind about where the fire pit lives.

Our picks

Best for a permanent curved bench

Retaining wall block (curved-face)

The lowest-maintenance permanent option, and the only one where the curve is easier than the straight line.

Use
Dry-stacked bench base
Height
3 courses for seat height
Note
Trapezoidal faces form a radius without cutting

What we liked

  • No rot, no maintenance, indifferent to embers
  • Curves without cutting because the blocks taper
  • Doubles as the fire pit wall in a matching build

Worth knowing

  • Heavy — a bench is several hundred pounds of material
  • Needs a compacted base or it settles unevenly
Check current price (affiliate link, opens in a new tab)

What makes a timber bench last

Galvanised post anchors

A timber bench almost never fails at the seat. It fails at the feet, and this is the part that prevents it.

Use
Keeps legs out of soil
Fitting
Drive-in spike or bolt-down

What we liked

  • Removes the ground contact that rots legs first
  • Lifts the timber clear of standing water
  • Cheap relative to rebuilding a bench

Worth knowing

  • Drive-in spikes need a solid, stone-free soil
Check current price (affiliate link, opens in a new tab)

For anything you build in timber

Exterior structural screws

Using indoor screws in treated lumber outdoors means rusted fixings within a couple of seasons. This is not where to economise.

Coating
Exterior-rated, for ACQ-treated lumber
Why
Modern treatment corrodes ordinary screws

What we liked

  • Will not react with treated timber the way plain steel does
  • No pilot hole needed in most softwood

Worth knowing

  • Several times the price of indoor screws
Check current price (affiliate link, opens in a new tab)

What decides whether the bench gets used

Outdoor cushions, solution-dyed fabric

A stone bench without a cushion gets admired and not sat on. Keep them in a box nearby and bring them out.

Fabric
Solution-dyed acrylic
Why
Colour runs through the fibre, not on it

What we liked

  • Holds colour in sun far longer than printed fabric
  • Makes block and stone benches comfortable

Worth knowing

  • Still needs storing or a box; nothing survives permanent wet
  • Embers will mark any fabric

Which should you buy?

If you…BuyBecause
Permanent seating around a built fire pitRetaining wall blockNo cutting, no rot, and a curve is just a matter of laying the blocks to a radius.
Timber benches on soilPost anchorsKeeping the legs out of the ground is the difference between five years and twenty.
Cheap seating that can moveReclaimed timber and cinder blocksCosts almost nothing and can be rebuilt somewhere else in an afternoon.
Sitting out into autumnOutdoor cushions in solution-dyed fabricStone and block benches are cold and hard; the cushion is what makes them get used.

Common questions

How far should a bench be from a fire pit?

Seven feet from the edge of the pit to the front of the seat is the usual recommendation, giving about a 10 ft clear diameter around a 3 ft pit. That distance is about comfort as much as safety — radiant heat falls off sharply with distance, and benches built at 3 or 4 ft are too hot to use once the fire is properly going.

Can you build a wooden bench near a fire pit?

Yes, at a proper setback. Timber at 7 ft or more takes no meaningful radiant heat, and the realistic risk is an ember landing rather than ignition from heat. Within about 5 ft, use stone, block or metal instead. Check local rules too — some jurisdictions set minimum clearances for permanent structures around a fire feature.

What is the cheapest fire pit seating?

Cinder blocks and a reclaimed timber plank, at well under $100 for a bench. Log rounds cut from a felled trunk cost nothing at all if you have the wood, and they last three to five years before they go soft. Both can be rebuilt elsewhere, which matters more than it sounds when the fire pit turns out to be in the wrong place.

Should fire pit benches be curved or straight?

Curved seating around a circular pit seats more people in the same space and keeps everyone the same distance from the heat, which is the real argument for it. Straight benches are far easier to build in timber and work well in a square or rectangular arrangement. A compromise most people land on is three or four straight benches set at angles around the circle.

How high should a fire pit bench be?

Sixteen to eighteen inches to the top of the seat, the same as an indoor chair, and 18 in deep. Built-in block benches often end up at 24 in because that is three courses of block, which is noticeably too high for comfort — add a lower first course or accept that it will need a thick cushion.

Backyard Weekly

Know what to plant, week by week

Join the weekly email for seasonal jobs, fixes for what is going wrong, and gear worth buying.

Not ready to subscribe? The planting calendar is free and needs no email.

By subscribing you agree to our privacy policy. Grow In Backyard will never sell your address.