InspectOS — 10-Year Liability Timeline

Section 3 · Buyer liability window

The Nullity Window: 10 Years, Now 3

Until 30 September 2026 an unlawful licensing act could be declared null for up to ten years from its issue. From 1 October 2026 the period is three years (RJUE Art. 69.º n.º 4), counted from 1 October 2026 for acts already issued. The clock runs from the act, not from your escritura.

Day 0

Escritura

Ownership transfers

Any time

Câmara may inspect

Inspection is not time-barred

1 Oct 2026

New regime

3-year nullity clock starts for existing acts

+3 years

Nullity window

Open for acts already issued, unless the old 10 years ends sooner

Before 1 Oct 2026

Old regime

10 years from the act

Embargo

Immediate suspension of use of illegal construction

RJUE

Demolition Order

Order to demolish unlicensed structures at owner's expense

RJUE

Use Cessation

Prohibition on using the property or part of it

RJUE

Fines

Administrative fines for occupying without valid licence

€499–€99,759 · RJUE Art. 98

"The nullity clock runs from the licensing act, not from your purchase."

RJUE Art. 69.º · Sérvulo & Associados legal analysis · MATLAW urban planning analysis 2024