Moving a kitchen in Spain: verify drainage, extraction and shared-building constraints first
A practical check of the waste stack, cooking extraction, services, common elements and quote scope before relocating a kitchen in Spain.
A kitchen can be relocated only after checking the real route to the correct wastewater stack, cooking extraction, floor or ceiling space and affected common elements. Before ordering cabinets, request a measured plan, a route section or level schedule and a coordinated services proposal.
The move should deliver better daylight, circulation, living-room connection, another bedroom or storage. Test that gain against the disruption. A concealed beam, unopened shaft or hood duct with an unknown destination remains unknown until surveyed; a furniture layout does not settle it.
Define the benefit before accepting the disruption
Define the problem first. Compare layouts with the small-kitchen planning guide and open-kitchen guide. Include doors, storage and circulation, then mark surfaces and fitted items that require opening or reinstatement.
Overlay both positions and mark appliances and known services. Add a section showing floor, slab, thresholds and ceiling void. The nearest vertical enclosure is not automatically the correct `bajante`, Spain's term for a waste stack; confirm its contents, connection and ownership.
Prove the wastewater route before fixing the furniture plan
Spain's DB HS 5 covers the small-waste network, layout, sizing, execution, testing and maintenance. Do not turn it into a universal distance, diameter or fall. Ask the competent team to record levels, route, available floor or ceiling build-up, connection, access and project-specific verification.
Study drainage before ordering cabinets. Flexible water supply does not make gravity drainage feasible. If the route cannot be justified, move the wet zone, revise the plan or require a targeted opening. “Plumbing included” does not replace evidence and assumptions.
A pump is a separate system that needs maintenance; it is not permission to place a kitchen anywhere. It needs power, access and a response to failure. Have the team compare it with redesign and state access, responsibility and handover.
Treat cooking extraction and whole-dwelling ventilation separately
DB HS 3 treats mechanical cooking extraction as an additional specific system connected to a duct independent of the dwelling's general-ventilation ducts. Confirm where the existing system discharges and draw the proposed route, including crossings, access and possible contact with shared ducts, roof or façade.
A recirculating hood is not that independent duct and does not by itself demonstrate compliance with the applicable solution. Do not join systems because a duct is nearby. Coordinate cooking extraction and general ventilation separately; this distinction also matters for condensation and indoor moisture.
Coordinate every service with floors, ceilings and cabinetry
Add water, electrical circuits, lighting, appliances and any gas change, defined by the relevant professionals. The home electrical planning guide organises loads and positions but neither designs the installation nor replaces its checks.
Show the construction consequences. Raised floors affect doors; bulkheads meet lights and units; islands change circulation. Include all reinstatement. Label concealed beams and services as unknown and agree how discoveries will be assessed and priced.
The conceptual kitchen planner compares arrangements and places furniture and service markers. It does not survey hidden construction, prove drainage, identify common elements, design services, determine permissions or create construction drawings.
Check ownership, the owners' community and the local procedure
A Spanish `comunidad de propietarios` is the owners' community under Horizontal Property Law. The law limits private work, requires prior notice and protects general installations and common elements. A visible pipe is not automatically private, and notice alone does not authorise changes to a shared stack, shaft, façade or roof.
The CTE applies to existing-building interventions within its scope. Documentation may be a `proyecto` or technical `memoria`, according to the real work. Municipal and autonomous-community requirements are address-specific; community decisions are separate. Define responsibilities and conditions with the owners' community guide.
Structure, fire, acoustics, gas and façade interfaces may add constraints. Put surveys and decisions in the renovation programme before cabinet manufacture.
Source: BOE · Ley 49/1960 sobre propiedad horizontal · BOE · CTE, artículo 2: intervenciones en edificios existentes
Normalise quote scope before comparing totals
Hypothetically, A prices cabinets and “move services” without a surveyed stack, section, extraction destination, common-element assumption, reinstatement or verification. B states those assumptions and separates confirmed and provisional work. B is not automatically better: normalise both scopes first.
Include the move in the whole-flat budget and use the quote-comparison workflow. Compare investigation, drawings, reinstatement, checks, handover and concealed discoveries—not just furniture and appliances.
| Item | Define before contracting | Useful evidence or handover record |
|---|---|---|
| Wastewater route | Confirmed connection, levels, path, access and unknowns | As-built route, recorded changes and applicable checks |
| Cooking extraction and ventilation | Destination, independent route, crossings and coordination | Final route, accessible points and functional check |
| Water, electricity and gas | Locations, interfaces, responsibilities and professional work | Identified equipment and circuits, relevant instructions |
| Common elements and procedure | Ownership assumptions, documents, filings and conditions | Applicable notices, decisions or filed documents |
| Finishes, testing and handover | Reinstatement, sequence, checks, exclusions and maintenance | Results, manuals and recorded exclusions |
Keep the finished routes findable and maintainable
Before concealment, agree the applicable drain and extraction checks, timing and record holder. At handover, obtain an as-built route, marked changes, access locations, equipment and circuit identification, manuals and maintenance information. The team decides which records apply.
Retain unresolved conditions and accepted exclusions. A working kitchen does not prove coordinated drainage, extraction, access or common-element treatment. Keep a traceable chain through handover.
Common questions
Can a kitchen be moved into any room in a Spanish apartment?
Do not assume so. Feasibility depends on the real wastewater and extraction routes, available construction space, services, structure, common elements and the procedure applying to that home.
Does a wastewater pump solve a long drainage route?
Not automatically. It is a maintained system needing power, access and a response to failure. A competent team should compare it with revising the wet-zone layout.
Is a recirculating hood the same as an exterior extraction route?
It is not the independent duct specified for mechanical cooking extraction and does not by itself prove compliance with the applicable solution. The project must address that extraction and coordinate general ventilation.
Is notifying the comunidad de propietarios enough?
Prior notice is an owner obligation, but it does not itself authorise alteration of common installations or elements. Their status and the applicable decision process must be established.
Prove the routes, then commit to the new kitchen
Give every bidder the same plan, assumptions and scope table. Compare routes, reinstatement, responsibilities, checks and exclusions before furniture production makes changes expensive.
Would you like the relocation scope reviewed?
Share the municipality, dwelling and building type, both kitchen positions, known stack, extraction and floor information, project stage and phone number. We can identify missing coordination information.
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Sources and editorial approach
Editorial guide prepared with AI assistance. Labelled scenarios are planning examples. Check your property’s circumstances before commissioning work. Sources checked on October 14, 2026.