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Art. 6 BayBO

Abstandsflächen in Bayern

In Bayern the depth of the setback area is 0.4 H, at least 3. m. The governing provision is Art. 6 BayBO. H is the wall height from ground level to the point where the wall meets the roof surface.

0.4 H · min. 3. m
As of 08/2026

The dimensions

What Art. 6 BayBO requires

Standard factor 0.4 H
Minimum depth 3. m
Commercial and industrial zones 0.2 H
Central area no separate rule — the standard factor applies
Roof allowance Dachflächen unter 70° Neigung werden zu einem Drittel angerechnet, ab 70° voll. Eine Zwischenstufe bei 45° gibt es nicht. Bis 70° stets ein Drittel, darüber voll – eine 45°-Stufe kennt Bayern nicht.
Special rule for residential buildings Art. 6 Abs. 5a: In Gemeinden über 250.000 Einwohnern gilt 1 H; mit dem 16-Meter-Privileg 0,5 H.

Work it out yourself

Calculating Abstandsflächen in Bayern

Set eaves height, roof pitch, building depth and distance to the boundary — the required depth is calculated under Art. 6 BayBO as you go. The roof allowance is what stands out: the same building yields different values of H across the 16 states.

Boundary

Under Art. 6 BayBO

6.00 m
35 °
10.00 m
3.00 m
Ridge above eaves 3.50 m
of which counted 1.17 m
governing height H 7.17 m
required depth 3.00 m

The setback area lies entirely on the plot. 3.00 m are required, 3.00 m are kept.

A symmetrical gable roof and level ground are assumed. The figure is geometric, not a statement about permissibility: a local by-law, a development plan or a building encumbrance can set different dimensions.

Worked through

Worked examples at a glance

Depth = 0.4 × H, but never less than 3. m. These values apply to a wall in the standard case; commercial zones, core zones and privileged boundary structures follow the figures above and below.

Wall height H Calculation Depth of the setback area
3. m 0.4 × 3. = 1.2 m → minimum applies 3. m
4.5 m 0.4 × 4.5 = 1.8 m → minimum applies 3. m
6.5 m 0.4 × 6.5 = 2.6 m → minimum applies 3. m
9. m 0.4 × 9. = 3.6 m 3.6 m
12. m 0.4 × 12. = 4.8 m 4.8 m

Building on the boundary

What may stand on the boundary in Bayern without a setback area

Garages, carports and garden sheds may stand directly on the property boundary under narrow conditions. The dimensions differ in every state.

Height 3. m
Length per boundary 9. m
Total length along all boundaries 15. m
Additional conditions mittlere Wandhöhe; im Grenzfall über 45° ein Drittel, über 70° voll; Giebel bis 45° bleiben frei
Habitable rooms and fireplaces Aufenthaltsräume und Feuerstätten ausgeschlossen

In comparison

What is different in Bayern

Einziges Land mit einer Einwohnerschwelle: in München, Nürnberg und Augsburg gilt 1 H statt 0,4 H.

On the roof allowance: Dachflächen unter 70° Neigung werden zu einem Drittel angerechnet, ab 70° voll. Eine Zwischenstufe bei 45° gibt es nicht. This system is shared by 6 of the 16 states. The formula that guides usually claim applies across Germany — "over 70° in full, over 45° one third" — applies in only four.

All 16 states compared →

Limits of this information

What this page does not answer

These figures reproduce the state building code. A local by-law, a development plan or a registered building encumbrance can set different dimensions — and there is no nationwide register of such by-laws. Only the building authority's own information is binding.

Also not covered: provisions in the development plan, registered building encumbrances, the duty of mutual consideration between neighbours, fire-safety distances, and whether a project is exempt from a permit.

And the most common error: exempt from a permit does not mean exempt from setbacks. A carport that needs no building application must still keep the setback areas.

Legal reference

Read the original

Bayerische Bauordnung, Art. 6 BayBO. Last amended: Änderung vom 23.04.2026, GVBl. S. 190 (Art. 6 unberührt); die Abstandsflächenreform datiert vom 01.02.2021.

Art. 6 BayBO bei gesetze-bayern.de (Gesetzestext)

View parcel boundaries in Bayern → Official site plan for a building application

Other states

Setback areas and boundary building elsewhere

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