How to Position a House on Your Plot: Setbacks, Orientation and 2026 Norms

2026-10-02

You bought the plot and opened the house project. The first question is not “which facade,” but “where exactly to put it.” That decides whether you register the house without a lawsuit from a neighbour, whether winter sun reaches the living room, and how much land is left for the yard. Placement is decided once and for good: you cannot shift a built house two metres over, and reworking the orientation of a bedroom is even less possible.

Three layers overlap here. The law says how close to the boundary you may stand. The sun says which way the rooms should face. The logic of the plot says where the driveway, the yard and the neighbour’s fence shadow go. When all three agree, the house sits right. When they don’t, you either break a rule or live in a dark bedroom. We’ll take each layer in turn, with the figures and norms in force in 2026.

Setbacks from boundaries: where placement begins

The core document is DBN B.2.2-12:2019 “Planning and development of territories,” in force since 1 October 2019. The one number to memorise: 3 metres from the house to a neighbouring plot’s boundary for new development. It isn’t a suggestion — the house is approved and registered against it.

In already-built-up areas, where old houses stand close and holding 3 metres is physically impossible, 1 metre is allowed. But that is only the minimum needed to maintain and repair your own wall, not a licence to build flush against the line. For a clean new plot the benchmark is 3 metres, full stop.

It matters where that distance is measured from. Not from the wall, but from the furthest projecting point: the plinth, the foundation, or the roof overhang’s projection. If the roof overhangs the wall by 60 centimetres, your “legal” 3 metres from the wall become 2.4 metres from the overhang — already a violation a neighbour can challenge. This detail gets remembered last, and it shifts the whole house.

3 m — from the house to the neighbouring plot boundary for new development.
1 m — the minimum in built-up areas, only to maintain your own wall.
3 m — from outbuildings (garage, sauna, shed) and from trees to the boundary.
1 m — from shrubs to the boundary.
Measured from the plinth or the roof-overhang projection — whatever juts out furthest, not the wall.

The red line and fire-safety gaps

The second constraint is the street. The house can’t be pushed flush to the road: there must be a setback between it and the red line — the notional edge where the street or driveway begins. On a residential street that’s 3 metres, on a main road 6. Those metres are yours too, but you can’t put the house on them; only a fence, a driveway and greenery fit there.

The third constraint is the least obvious — fire-safety gaps between houses. Their size depends not on your wishes but on the wall material: the more combustible the house, the further it must stand from the next one.

6 m — between houses of non-combustible materials: brick, aerated concrete, concrete (fire-resistance class I–II).
8 m — if one of the houses has combustible elements (timber floors, cladding).
10–15 m — between timber and frame houses.

Here is a trap people learn about late. The fire gap is counted between houses, not from the boundary. If the neighbour already built a metre from the shared line, their house eats into your share of the gap too. For a timber or frame house that means you may have to move back not 3 metres from the boundary but 9–14, even though formally you’re entitled to 3. So placement is always checked against what already stands next door, not just against your plot’s empty outline.

Compass points: which way the rooms face

Once the legal boundaries are known, the house can still be rotated within them. Orientation by compass costs nothing at the project stage and a lot after move-in, because it can no longer be fixed. The logic is simple: active rooms reach for the sun, service rooms hide from it and act as a buffer.

South and south-east — living room, kitchen-diner, everywhere the family spends the day. Sun from morning to evening, and in winter a smaller heating bill too.
East — bedrooms. Morning sun wakes you gently and the room doesn’t overheat during the day.
West — a bad side for a bedroom: evening sun hits the window and heats the room right before sleep. Put rooms used rarely in the evening here instead.
North — boiler room, pantry, wardrobe, bathrooms, stairs, garage. They don’t need sun and they shield the house from the coldest side.
Study and workshop — north or east: even, diffuse light with no glare on the screen.

If the plot won’t let you orient the house perfectly — say it’s narrow and runs north to south — you have to choose what matters more: sun in the living room or in the bedrooms. That’s fine. What isn’t fine is making that choice by accident, from whatever way the concrete mixer finds it easiest to drive in. Orientation should be a conscious decision on paper, not a by-product of site logistics.

Insolation — the norm that comes up in court

Room orientation is about comfort. Insolation is already law. The sanitary norm requires at least 2.5 hours of direct sunlight per day to reach a living room over the period from 22 March to 22 September. Direct sunlight — not light diffused through clouds or a neighbour’s wall.

For a detached house on its own plot this is rarely a problem — there’s nothing to block the sun. It arises when tall development appears nearby, a solid two-metre fence goes up, or a neighbour’s house lands on your southern side. Then a room that is a living room on the plan formally falls short of its daylight quota. This surfaces in two places: at the handover of the house into operation, and in a lawsuit with a neighbour who shaded you with their structure. Good placement accounts not only for what’s on the plot now, but for what may still rise on the plots around it.

House width and plot width

The costliest mistake at the project-choice stage is falling for a house that physically won’t fit the plot with its setbacks. The arithmetic is simple: plot width minus 3 metres on one side minus 3 metres on the other equals the maximum house width. On a 15-metre-wide plot the house can’t be wider than 9 metres. On 20 metres — no wider than 14. Anything wider must be trimmed or the project changed.

So narrow plots need compact houses that run deep, not wide. Our catalogue has them: KT-144 — 7.72 × 9.52 metres, 107 m² over two floors; KT-153 — 7.58 × 12.58 metres, 156 m²; KT-155 and KT-156 — 7.80 × 9.60 metres, 115 m² each. A house about 8 metres wide fits even a 14-metre plot with room to spare on both setbacks.

The opposite case is a sprawling single-storey house. Living in one is comfortable, but it devours plot width. KT-315 — 31.67 × 17.20 metres, KT-407 — 25.94 × 18.04 metres, D-10 — 24.3 × 16.8 metres. A house like that needs a plot at least 30 metres wide, or it simply won’t fit with setbacks. A dream single-storey on a narrow plot is a classic catalogue trap, because the mismatch only shows when the surveyor stakes the house outline onto the ground.

Driveway, garage, septic and trees — what else takes up space

The house isn’t the only thing on the plot. Everything else competes with it for the same land, and if you don’t plan it all together, something won’t fit at the end — usually the yard or a decent driveway.

Driveway and parking — straight from the gate, with a hard surface; if the garage is built in, the driveway dictates which side of the house faces the street.
Septic tank or cesspit — at least 20 metres from any well or borehole (yours and the neighbour’s), downhill, away from the foundation.
Trees — 3 metres from the boundary, or the crown and roots become a reason for conflict; keep large trees away from the foundation and drainage.
Yard and relaxation area — to the south or west of the house, so you don’t end up in the shadow of your own walls.

All of this is planned at the same time as the house’s position, not after. If the house is moved toward the northern boundary — often the right call, since it opens up a southern yard — you must immediately check where the driveway then runs and whether the septic ends up against the neighbour’s well. One shift of the house forces a recalculation of the whole plot.

Five placement mistakes you only see after moving in

The house was pushed toward the street “for more yard behind” — and now the living room looks at the road and the neighbour’s gate, not the garden.
Bedrooms were aimed west for the view — and in summer you can’t fall asleep before midnight because of the window baked all day.
The roof overhang was forgotten in the setback — 3 metres on paper, 2.4 in fact, and the neighbour has every legal right to demand it be moved.
A timber or frame house was put 3 metres from the boundary without checking the fire gap against the neighbour’s house — the whole project had to be shifted.
The driveway was designed last — and it ran exactly where the relaxation area should have been, because nothing else was left.

What all five share: the decision was made at the wrong stage. Placing the house costs pennies while it’s on paper, and becomes irreversible the moment the foundation is poured.

How we place a house on the plot

At DOMRIY this is the first step of the work, and it’s free. We come out to the plot and look at the terrain, the compass points, the access, what the neighbours have already built, where the slope runs and where the utilities pass. We overlay the chosen project onto the real boundaries with every setback — and show whether it fits at all and how to rotate it so the sun lands where it should. If the project won’t fit your plot, better to find that out on the grass than after the foundation is poured.

The visit commits you to nothing. You get a clear picture of what will actually fit on your plot and how to set it up right, even if you decide not to build with us.

Want to see exactly how your house will sit on your plot — book a free site visit. We’ll come out, measure, and show you on the spot what goes where.

Questions and answers

What is the minimum distance from the house to the neighbour’s boundary?

For new development — 3 metres, per DBN B.2.2-12:2019. One metre is allowed only in already built-up areas and only to maintain your own wall. The distance is measured from the plinth or the roof-overhang projection, not the wall.

Can I build a house 1 metre from the fence?

Only in a built-up area where houses already stand close, and only if the fire gaps to the neighbour’s structure are kept. On a clean new plot the benchmark is 3 metres from the boundary.

Which way should bedroom windows face?

East or south-east: morning sun wakes you gently and the room doesn’t overheat during the day. West is undesirable for a bedroom — evening sun heats it right before sleep.

What is a fire-safety gap and how large is it?

It’s the distance between houses, set by wall material: 6 metres for brick and aerated concrete, 8 with combustible elements, 10–15 for timber and frame houses. It’s counted between houses, not from the plot boundary.

How much sun must a living room get by the norm?

At least 2.5 hours of direct sunlight per day over 22 March to 22 September — that’s the sanitary insolation norm. Problems arise when the room is shaded by tall development or a neighbour’s solid fence.

How do I tell whether the chosen project fits my plot?

Subtract 3 metres of setback from each side of the plot width — that’s the maximum house width. The exact picture comes from a site visit with the house outline staked onto the ground, because on paper it’s easy to miss the roof overhang, the slope or the neighbour’s building.

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