Martinez De La Casa
- May 2
- 1 min read
UNEXPECTED SCENARIOS REQUIRING AN ARCHITECT: WHEN RULES GET QUIRKY
Roofing Regulations: Adding a roof changes spaces from exterior to interior, except for an open wooden pergola. Roofing requires an architectural project and license.
Change of Use: Altering room functions or adding new ones, even detached, demands architect involvement.

Height Challenges: Construction exceeding 1.5m mandates a major license, necessitating a Spanish architect for the building permit. However, a sub-1.5m dog kennel remains outside the “built area” classification.
Size and Documentation: Expanding a property’s size, even by a metre, or causing inconsistencies in bills or deeds requires an independent architect’s input.
Light and Air: Spanish rules mandate ventilation and direct light for rooms, except bathrooms. Enclosures blocking these necessitate an architect’s intervention.
Lack Permits? Spanish authorities may impose fines or demolition orders, exceeding €300 per sqm, even for small structures. Property value and sales can suffer.
Solution: Secure a retrospective license from a qualified Spanish architect. Unlicensed extensions gain immunity from objections, regardless of future legal changes.
Retrospective License Criteria:
Murcia: Extensions aged 4+ years.
Almeria: Building work aged 6+ years.
Alicante: Completed before August 2010. No retro licenses for fined or ordered extensions.
Cost: Pool Retrospective License: €326.70 incl IVA. Retrospective Licence for Extensions: €363 incl IVA (all property extensions).
Martinez de la Casa Architects excel in Building Certification including Energy Performance Certificates (€121 inc VAT), Habitation Licenses, and Retrospective Licenses.
Questions? Appointments? Call 665 810 411 (English) or explore www.martinezdelacasa.com.
Over 300 testimonials showcase our commitment to enhancing your property’s compliance and value.
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